Merge branch 'master' into feat/streaming

2026-06-12 16:56:02 +00:00 · 2025-08-17 14:30:22 +08:00
parent dd0e0abdc4 13f6396eb4
commit e66f674968
76 changed files with 1706 additions and 730 deletions
--- a/web/src/app/global.css
+++ b/web/src/app/global.css
@@ -56,6 +56,15 @@
  background: rgba(0, 0, 0, 0.35); /* 悬停加深 */
 }

+/* 暗黑模式下的滚动条 */
+.dark ::-webkit-scrollbar-thumb {
+  background: rgba(255, 255, 255, 0.2); /* 半透明白色 */
+}
+
+.dark ::-webkit-scrollbar-thumb:hover {
+  background: rgba(255, 255, 255, 0.35); /* 悬停加深 */
+}
+
 /* 兼容 Edge */
@supports (-ms-ime-align: auto) {
  body {
@@ -108,36 +117,36 @@
 }

 .dark {
-  --background: oklch(0.141 0.005 285.823);
+  --background: oklch(0.08 0.002 285.823);
  --foreground: oklch(0.985 0 0);
-  --card: oklch(0.21 0.006 285.885);
+  --card: oklch(0.12 0.004 285.885);
  --card-foreground: oklch(0.985 0 0);
-  --popover: oklch(0.21 0.006 285.885);
+  --popover: oklch(0.12 0.004 285.885);
  --popover-foreground: oklch(0.985 0 0);
-  --primary: oklch(0.92 0.004 286.32);
-  --primary-foreground: oklch(0.21 0.006 285.885);
-  --secondary: oklch(0.274 0.006 286.033);
+  --primary: oklch(0.62 0.2 255);
+  --primary-foreground: oklch(1 0 0);
+  --secondary: oklch(0.18 0.004 286.033);
  --secondary-foreground: oklch(0.985 0 0);
-  --muted: oklch(0.274 0.006 286.033);
+  --muted: oklch(0.18 0.004 286.033);
  --muted-foreground: oklch(0.705 0.015 286.067);
-  --accent: oklch(0.274 0.006 286.033);
+  --accent: oklch(0.18 0.004 286.033);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.704 0.191 22.216);
-  --border: oklch(1 0 0 / 10%);
-  --input: oklch(1 0 0 / 15%);
+  --border: oklch(1 0 0 / 8%);
+  --input: oklch(1 0 0 / 10%);
  --ring: oklch(0.552 0.016 285.938);
  --chart-1: oklch(0.488 0.243 264.376);
  --chart-2: oklch(0.696 0.17 162.48);
  --chart-3: oklch(0.769 0.188 70.08);
  --chart-4: oklch(0.627 0.265 303.9);
  --chart-5: oklch(0.645 0.246 16.439);
-  --sidebar: oklch(0.21 0.006 285.885);
+  --sidebar: oklch(0.1 0.003 285.885);
  --sidebar-foreground: oklch(0.985 0 0);
-  --sidebar-primary: oklch(0.488 0.243 264.376);
-  --sidebar-primary-foreground: oklch(0.985 0 0);
-  --sidebar-accent: oklch(0.274 0.006 286.033);
+  --sidebar-primary: oklch(0.62 0.2 255);
+  --sidebar-primary-foreground: oklch(1 0 0);
+  --sidebar-accent: oklch(0.18 0.004 286.033);
  --sidebar-accent-foreground: oklch(0.985 0 0);
-  --sidebar-border: oklch(1 0 0 / 10%);
+  --sidebar-border: oklch(1 0 0 / 8%);
  --sidebar-ring: oklch(0.552 0.016 285.938);
 }

--- a/web/src/app/home/bots/BotDetailDialog.tsx
+++ b/web/src/app/home/bots/BotDetailDialog.tsx
@@ -159,7 +159,7 @@ export default function BotDetailDialog({
          <SidebarProvider className="items-start w-full flex">
            <Sidebar
              collapsible="none"
-              className="hidden md:flex h-[80vh] w-40 min-w-[120px] border-r bg-white"
+              className="hidden md:flex h-[80vh] w-40 min-w-[120px] border-r bg-white dark:bg-black"
            >
              <SidebarContent>
                <SidebarGroup>
--- a/web/src/app/home/bots/components/bot-card/botCard.module.css
+++ b/web/src/app/home/bots/components/bot-card/botCard.module.css
@@ -6,12 +6,22 @@
  box-shadow: 0px 2px 2px 0 rgba(0, 0, 0, 0.2);
  padding: 1.2rem;
  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+:global(.dark) .cardContainer {
+  background-color: #1f1f22;
+  box-shadow: 0;
 }

 .cardContainer:hover {
  box-shadow: 0px 2px 8px 0 rgba(0, 0, 0, 0.1);
 }

+:global(.dark) .cardContainer:hover {
+  box-shadow: 0;
+}
+
 .iconBasicInfoContainer {
  width: 100%;
  height: 100%;
@@ -47,6 +57,11 @@
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
+  color: #1a1a1a;
+}
+
+:global(.dark) .basicInfoName {
+  color: #f0f0f0;
 }

 .basicInfoDescription {
@@ -58,6 +73,10 @@
  text-overflow: ellipsis;
 }

+:global(.dark) .basicInfoDescription {
+  color: #888888;
+}
+
 .basicInfoAdapterContainer {
  display: flex;
  flex-direction: row;
@@ -71,12 +90,20 @@
  color: #626262;
 }

+:global(.dark) .basicInfoAdapterIcon {
+  color: #a0a0a0;
+}
+
 .basicInfoAdapterLabel {
  font-size: 1.2rem;
  font-weight: 500;
  color: #626262;
 }

+:global(.dark) .basicInfoAdapterLabel {
+  color: #a0a0a0;
+}
+
 .basicInfoPipelineContainer {
  display: flex;
  flex-direction: row;
@@ -90,12 +117,20 @@
  margin-top: 0.2rem;
 }

+:global(.dark) .basicInfoPipelineIcon {
+  color: #a0a0a0;
+}
+
 .basicInfoPipelineLabel {
  font-size: 1.2rem;
  font-weight: 500;
  color: #626262;
 }

+:global(.dark) .basicInfoPipelineLabel {
+  color: #a0a0a0;
+}
+
 .bigText {
  white-space: nowrap;
  overflow: hidden;
--- a/web/src/app/home/bots/components/bot-form/BotForm.tsx
+++ b/web/src/app/home/bots/components/bot-form/BotForm.tsx
@@ -394,7 +394,7 @@ export default function BotForm({
                      <FormLabel>{t('bots.bindPipeline')}</FormLabel>
                      <FormControl>
                        <Select onValueChange={field.onChange} {...field}>
-                          <SelectTrigger>
+                          <SelectTrigger className="bg-[#ffffff] dark:bg-[#2a2a2e]">
                            <SelectValue
                              placeholder={t('bots.selectPipeline')}
                            />
@@ -467,7 +467,7 @@ export default function BotForm({
                        }}
                        value={field.value}
                      >
-                        <SelectTrigger className="w-[180px]">
+                        <SelectTrigger className="w-[180px] bg-[#ffffff] dark:bg-[#2a2a2e]">
                          <SelectValue placeholder={t('bots.selectAdapter')} />
                        </SelectTrigger>
                        <SelectContent className="fixed z-[1000]">
--- a/web/src/app/home/bots/components/bot-log/view/botLog.module.css
+++ b/web/src/app/home/bots/components/bot-log/view/botLog.module.css
@@ -18,6 +18,11 @@
  cursor: pointer;
 }

+:global(.dark) .botLogCardContainer {
+  background-color: #1f1f22;
+  border: 1px solid #2a2a2e;
+}
+
 .listHeader {
  width: 100%;
  height: 2.5rem;
--- a/web/src/app/home/components/dynamic-form/DynamicFormItemComponent.tsx
+++ b/web/src/app/home/components/dynamic-form/DynamicFormItemComponent.tsx
@@ -26,6 +26,7 @@ import {
 } from '@/components/ui/hover-card';
 import { useTranslation } from 'react-i18next';
 import { i18nObj } from '@/i18n/I18nProvider';
+import { Textarea } from '@/components/ui/textarea';

 export default function DynamicFormItemComponent({
  config,
@@ -132,7 +133,7 @@ export default function DynamicFormItemComponent({
    case DynamicFormItemType.SELECT:
      return (
        <Select value={field.value} onValueChange={field.onChange}>
-          <SelectTrigger>
+          <SelectTrigger className="bg-[#ffffff] dark:bg-[#2a2a2e]">
            <SelectValue placeholder={t('common.select')} />
          </SelectTrigger>
          <SelectContent>
@@ -150,7 +151,7 @@ export default function DynamicFormItemComponent({
    case DynamicFormItemType.LLM_MODEL_SELECTOR:
      return (
        <Select value={field.value} onValueChange={field.onChange}>
-          <SelectTrigger>
+          <SelectTrigger className="bg-[#ffffff] dark:bg-[#2a2a2e]">
            <SelectValue placeholder={t('models.selectModel')} />
          </SelectTrigger>
          <SelectContent>
@@ -267,7 +268,7 @@ export default function DynamicFormItemComponent({
    case DynamicFormItemType.KNOWLEDGE_BASE_SELECTOR:
      return (
        <Select value={field.value} onValueChange={field.onChange}>
-          <SelectTrigger>
+          <SelectTrigger className="bg-[#ffffff] dark:bg-[#2a2a2e]">
            <SelectValue placeholder={t('knowledge.selectKnowledgeBase')} />
          </SelectTrigger>
          <SelectContent>
@@ -291,7 +292,7 @@ export default function DynamicFormItemComponent({
              <div key={index} className="flex gap-2 items-center">
                {/* 角色选择 */}
                {index === 0 ? (
-                  <div className="w-[120px] px-3 py-2 border rounded bg-gray-50 text-gray-500">
+                  <div className="w-[120px] px-3 py-2 border rounded bg-gray-50 dark:bg-[#2a292e] text-gray-500 dark:text-white dark:border-gray-600">
                    system
                  </div>
                ) : (
@@ -303,7 +304,7 @@ export default function DynamicFormItemComponent({
                      field.onChange(newValue);
                    }}
                  >
-                    <SelectTrigger className="w-[120px]">
+                    <SelectTrigger className="w-[120px] bg-[#ffffff] dark:bg-[#2a2a2e]">
                      <SelectValue />
                    </SelectTrigger>
                    <SelectContent>
@@ -315,7 +316,7 @@ export default function DynamicFormItemComponent({
                  </Select>
                )}
                {/* 内容输入 */}
-                <Input
+                <Textarea
                  className="w-[300px]"
                  value={item.content}
                  onChange={(e) => {
--- a/web/src/app/home/components/empty-and-create-component/EmptyAndCreateComponent.tsx
+++ b/web/src/app/home/components/empty-and-create-component/EmptyAndCreateComponent.tsx
@@ -1,27 +0,0 @@
-import styles from './emptyAndCreate.module.css';
-
-export default function EmptyAndCreateComponent({
-  title,
-  subTitle,
-  buttonText,
-  onButtonClick,
-}: {
-  title: string;
-  subTitle: string;
-  buttonText: string;
-  onButtonClick: () => void;
-}) {
-  return (
-    <div className={`${styles.emptyPageContainer}`}>
-      <div className={`${styles.emptyContainer}`}>
-        <div className={`${styles.emptyInfoContainer}`}>
-          <div className={`${styles.emptyInfoText}`}>{title}</div>
-          <div className={`${styles.emptyInfoSubText}`}>{subTitle}</div>
-        </div>
-        <div className={`${styles.emptyCreateButton}`} onClick={onButtonClick}>
-          {buttonText}
-        </div>
-      </div>
-    </div>
-  );
-}
--- a/web/src/app/home/components/empty-and-create-component/emptyAndCreate.module.css
+++ b/web/src/app/home/components/empty-and-create-component/emptyAndCreate.module.css
@@ -1,54 +0,0 @@
-.emptyPageContainer {
-  width: 100%;
-  height: 100%;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  background: #fff;
-  border: 1px solid #c5c5c5;
-  border-radius: 10px;
-}
-
-.emptyContainer {
-  width: 100%;
-  height: 50%;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: space-evenly;
-}
-
-.emptyCreateButton {
-  width: 200px;
-  height: 50px;
-  border-radius: 20px;
-  background-color: #2288ee;
-  color: #fff;
-  font-size: 20px;
-  font-weight: bold;
-  text-align: center;
-  line-height: 50px;
-  user-select: none;
-}
-
-.emptyCreateButton:hover {
-  background-color: #1b77d2;
-}
-
-.emptyInfoContainer {
-  width: 100%;
-  height: 60px;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  color: #353535;
-}
-
-.emptyInfoText {
-  font-size: 30px;
-}
-
-.emptyInfoSubText {
-  font-size: 28px;
-}
--- a/web/src/app/home/components/home-sidebar/HomeSidebar.module.css
+++ b/web/src/app/home/components/home-sidebar/HomeSidebar.module.css
@@ -13,6 +13,10 @@
  /* box-shadow: 0 0 5px 0 rgba(0, 0, 0, 0.1); */
 }

+:global(.dark) .sidebarContainer {
+  background-color: #0a0a0b !important;
+}
+
 .langbotIconContainer {
  width: 200px;
  height: 70px;
@@ -21,32 +25,49 @@
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
+}

-  .langbotIcon {
-    width: 2.8rem;
-    height: 2.8rem;
-    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
-    border-radius: 8px;
-  }
+.langbotIcon {
+  width: 2.8rem;
+  height: 2.8rem;
+  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
+  border-radius: 8px;
+}

-  .langbotTextContainer {
-    display: flex;
-    flex-direction: column;
-    align-items: flex-start;
-    justify-content: flex-start;
-    gap: 0.1rem;
-  }
+:global(.dark) .langbotIcon {
+  box-shadow: 0 0 10px 0 rgba(255, 255, 255, 0.1);
+}

-  .langbotText {
-    font-size: 1.4rem;
-    font-weight: 500;
-  }
+.langbotTextContainer {
+  display: flex;
+  flex-direction: column;
+  align-items: flex-start;
+  justify-content: flex-start;
+  gap: 0.1rem;
+}

-  .langbotVersion {
-    font-size: 0.8rem;
-    font-weight: 700;
-    color: #6c6c6c;
-  }
+.langbotText {
+  font-size: 1.4rem;
+  font-weight: 500;
+  color: #1a1a1a;
+}
+
+:global(.dark) .langbotText {
+  font-size: 1.4rem;
+  font-weight: 500;
+  color: #f0f0f0 !important;
+}
+
+.langbotVersion {
+  font-size: 0.8rem;
+  font-weight: 700;
+  color: #6c6c6c;
+}
+
+:global(.dark) .langbotVersion {
+  font-size: 0.8rem;
+  font-weight: 700;
+  color: #a0a0a0 !important;
 }

 .sidebarTopContainer {
@@ -76,6 +97,7 @@
  justify-content: flex-start;
  cursor: pointer;
  gap: 0.5rem;
+  transition: all 0.2s ease;
  /* background-color: aqua; */
 }

@@ -85,16 +107,40 @@
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
 }

+:global(.dark) .sidebarSelected {
+  background-color: #2288ee;
+  color: white;
+  box-shadow: 0 0 10px 0 rgba(34, 136, 238, 0.3);
+}
+
 .sidebarUnselected {
  color: #6c6c6c;
 }

+:global(.dark) .sidebarUnselected {
+  color: #a0a0a0 !important;
+}
+
+.sidebarUnselected:hover {
+  background-color: rgba(34, 136, 238, 0.1);
+  color: #2288ee;
+}
+
+:global(.dark) .sidebarUnselected:hover {
+  background-color: rgba(34, 136, 238, 0.2);
+  color: #66baff;
+}
+
 .sidebarChildIcon {
  width: 20px;
  height: 20px;
  background-color: rgba(96, 149, 209, 0);
 }

+.sidebarChildName {
+  color: inherit;
+}
+
 .sidebarBottomContainer {
  width: 100%;
  display: flex;
--- a/web/src/app/home/components/home-sidebar/HomeSidebar.tsx
+++ b/web/src/app/home/components/home-sidebar/HomeSidebar.tsx
@@ -11,6 +11,18 @@ import { sidebarConfigList } from '@/app/home/components/home-sidebar/sidbarConf
 import langbotIcon from '@/app/assets/langbot-logo.webp';
 import { systemInfo } from '@/app/infra/http/HttpClient';
 import { useTranslation } from 'react-i18next';
+import { Moon, Sun, Monitor } from 'lucide-react';
+import { useTheme } from 'next-themes';
+
+import {
+  Popover,
+  PopoverContent,
+  PopoverTrigger,
+} from '@/components/ui/popover';
+import { Button } from '@/components/ui/button';
+import { ToggleGroup, ToggleGroupItem } from '@/components/ui/toggle-group';
+import { LanguageSelector } from '@/components/ui/language-selector';
+import PasswordChangeDialog from '@/app/home/components/password-change-dialog/PasswordChangeDialog';

 // TODO 侧边导航栏要加动画
 export default function HomeSidebar({
@@ -27,8 +39,11 @@ export default function HomeSidebar({
  }, [pathname]);

  const [selectedChild, setSelectedChild] = useState<SidebarChildVO>();
-
+  const { theme, setTheme } = useTheme();
  const { t } = useTranslation();
+  const [popoverOpen, setPopoverOpen] = useState(false);
+  const [passwordChangeOpen, setPasswordChangeOpen] = useState(false);
+  const [languageSelectorOpen, setLanguageSelectorOpen] = useState(false);

  useEffect(() => {
    initSelect();
@@ -168,23 +183,113 @@ export default function HomeSidebar({
          }
          name={t('common.helpDocs')}
        />
-        <SidebarChild
-          onClick={() => {
-            handleLogout();
+
+        <Popover
+          open={popoverOpen}
+          onOpenChange={(open) => {
+            // 防止语言选择器打开时关闭popover
+            if (!open && languageSelectorOpen) return;
+            setPopoverOpen(open);
          }}
-          isSelected={false}
-          icon={
-            <svg
-              xmlns="http://www.w3.org/2000/svg"
-              viewBox="0 0 24 24"
-              fill="currentColor"
-            >
-              <path d="M4 18H6V20H18V4H6V6H4V3C4 2.44772 4.44772 2 5 2H19C19.5523 2 20 2.44772 20 3V21C20 21.5523 19.5523 22 19 22H5C4.44772 22 4 21.5523 4 21V18ZM6 11H13V13H6V16L1 12L6 8V11Z"></path>
-            </svg>
-          }
-          name={t('common.logout')}
-        />
+        >
+          <PopoverTrigger>
+            <SidebarChild
+              onClick={() => {}}
+              isSelected={false}
+              icon={
+                <svg
+                  xmlns="http://www.w3.org/2000/svg"
+                  viewBox="0 0 24 24"
+                  fill="currentColor"
+                >
+                  <path d="M12 3C10.9 3 10 3.9 10 5C10 6.1 10.9 7 12 7C13.1 7 14 6.1 14 5C14 3.9 13.1 3 12 3ZM12 17C10.9 17 10 17.9 10 19C10 20.1 10.9 21 12 21C13.1 21 14 20.1 14 19C14 17.9 13.1 17 12 17ZM12 10C10.9 10 10 10.9 10 12C10 13.1 10.9 14 12 14C13.1 14 14 13.1 14 12C14 10.9 13.1 10 12 10Z"></path>
+                </svg>
+              }
+              name={t('common.accountOptions')}
+            />
+          </PopoverTrigger>
+          <PopoverContent
+            side="right"
+            align="end"
+            className="w-auto p-4 flex flex-col gap-4"
+          >
+            <div className="flex flex-col gap-2 w-full">
+              <span className="text-sm font-medium">{t('common.theme')}</span>
+              <ToggleGroup
+                type="single"
+                value={theme}
+                onValueChange={(value) => {
+                  if (value) setTheme(value);
+                }}
+                className="justify-start"
+              >
+                <ToggleGroupItem value="light" size="sm">
+                  <Sun className="h-4 w-4" />
+                </ToggleGroupItem>
+                <ToggleGroupItem value="dark" size="sm">
+                  <Moon className="h-4 w-4" />
+                </ToggleGroupItem>
+                <ToggleGroupItem value="system" size="sm">
+                  <Monitor className="h-4 w-4" />
+                </ToggleGroupItem>
+              </ToggleGroup>
+            </div>
+
+            <div className="flex flex-col gap-2 w-full">
+              <span className="text-sm font-medium">
+                {t('common.language')}
+              </span>
+              <LanguageSelector
+                triggerClassName="w-full"
+                onOpenChange={setLanguageSelectorOpen}
+              />
+            </div>
+
+            <div className="flex flex-col gap-2 w-full">
+              <span className="text-sm font-medium">{t('common.account')}</span>
+              <Button
+                variant="ghost"
+                className="w-full justify-start font-normal"
+                onClick={() => {
+                  setPasswordChangeOpen(true);
+                  setPopoverOpen(false);
+                }}
+              >
+                <svg
+                  xmlns="http://www.w3.org/2000/svg"
+                  viewBox="0 0 24 24"
+                  fill="currentColor"
+                  className="w-4 h-4 mr-2"
+                >
+                  <path d="M6 8V7C6 3.68629 8.68629 1 12 1C15.3137 1 18 3.68629 18 7V8H20C20.5523 8 21 8.44772 21 9V21C21 21.5523 20.5523 22 20 22H4C3.44772 22 3 21.5523 3 21V9C3 8.44772 3.44772 8 4 8H6ZM19 10H5V20H19V10ZM11 15.7324C10.4022 15.3866 10 14.7403 10 14C10 12.8954 10.8954 12 12 12C13.1046 12 14 12.8954 14 14C14 14.7403 13.5978 15.3866 13 15.7324V18H11V15.7324ZM8 8H16V7C16 4.79086 14.2091 3 12 3C9.79086 3 8 4.79086 8 7V8Z"></path>
+                </svg>
+                {t('common.changePassword')}
+              </Button>
+              <Button
+                variant="ghost"
+                className="w-full justify-start font-normal"
+                onClick={() => {
+                  handleLogout();
+                }}
+              >
+                <svg
+                  xmlns="http://www.w3.org/2000/svg"
+                  viewBox="0 0 24 24"
+                  fill="currentColor"
+                  className="w-4 h-4 mr-2"
+                >
+                  <path d="M4 18H6V20H18V4H6V6H4V3C4 2.44772 4.44772 2 5 2H19C19.5523 2 20 2.44772 20 3V21C20 21.5523 19.5523 22 19 22H5C4.44772 22 4 21.5523 4 21V18ZM6 11H13V13H6V16L1 12L6 8V11Z"></path>
+                </svg>
+                {t('common.logout')}
+              </Button>
+            </div>
+          </PopoverContent>
+        </Popover>
      </div>
+      <PasswordChangeDialog
+        open={passwordChangeOpen}
+        onOpenChange={setPasswordChangeOpen}
+      />
    </div>
  );
 }
--- a/web/src/app/home/components/home-titlebar/HomeTittleBar.module.css
+++ b/web/src/app/home/components/home-titlebar/HomeTittleBar.module.css
@@ -17,6 +17,10 @@
  color: #585858;
 }

+:global(.dark) .titleText {
+  color: #e0e0e0;
+}
+
 .subtitleText {
  margin-left: 3.2rem;
  font-size: 0.8rem;
@@ -25,8 +29,16 @@
  align-items: center;
 }

+:global(.dark) .subtitleText {
+  color: #b0b0b0;
+}
+
 .helpLink {
  margin-left: 0.2rem;
  font-size: 0.8rem;
  color: #8b8b8b;
 }
+
+:global(.dark) .helpLink {
+  color: #a0a0a0;
+}
--- a/web/src/app/home/components/password-change-dialog/PasswordChangeDialog.tsx
+++ b/web/src/app/home/components/password-change-dialog/PasswordChangeDialog.tsx
@@ -0,0 +1,163 @@
+'use client';
+
+import * as React from 'react';
+import { useState } from 'react';
+import { useForm } from 'react-hook-form';
+import { zodResolver } from '@hookform/resolvers/zod';
+import { z } from 'zod';
+import { toast } from 'sonner';
+import { useTranslation } from 'react-i18next';
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle,
+  DialogFooter,
+} from '@/components/ui/dialog';
+import { Button } from '@/components/ui/button';
+import {
+  Form,
+  FormControl,
+  FormField,
+  FormItem,
+  FormLabel,
+  FormMessage,
+} from '@/components/ui/form';
+import { Input } from '@/components/ui/input';
+import { httpClient } from '@/app/infra/http/HttpClient';
+
+const getFormSchema = (t: (key: string) => string) =>
+  z
+    .object({
+      currentPassword: z
+        .string()
+        .min(1, { message: t('common.currentPasswordRequired') }),
+      newPassword: z
+        .string()
+        .min(1, { message: t('common.newPasswordRequired') }),
+      confirmNewPassword: z
+        .string()
+        .min(1, { message: t('common.confirmPasswordRequired') }),
+    })
+    .refine((data) => data.newPassword === data.confirmNewPassword, {
+      message: t('common.passwordsDoNotMatch'),
+      path: ['confirmNewPassword'],
+    });
+
+interface PasswordChangeDialogProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+}
+
+export default function PasswordChangeDialog({
+  open,
+  onOpenChange,
+}: PasswordChangeDialogProps) {
+  const { t } = useTranslation();
+  const [isSubmitting, setIsSubmitting] = useState(false);
+  const formSchema = getFormSchema(t);
+
+  const form = useForm<z.infer<typeof formSchema>>({
+    resolver: zodResolver(formSchema),
+    defaultValues: {
+      currentPassword: '',
+      newPassword: '',
+      confirmNewPassword: '',
+    },
+  });
+
+  const onSubmit = async (values: z.infer<typeof formSchema>) => {
+    setIsSubmitting(true);
+    try {
+      await httpClient.changePassword(
+        values.currentPassword,
+        values.newPassword,
+      );
+      toast.success(t('common.changePasswordSuccess'));
+      form.reset();
+      onOpenChange(false);
+    } catch {
+      toast.error(t('common.changePasswordFailed'));
+    } finally {
+      setIsSubmitting(false);
+    }
+  };
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent className="sm:max-w-md">
+        <DialogHeader>
+          <DialogTitle>{t('common.changePassword')}</DialogTitle>
+        </DialogHeader>
+        <Form {...form}>
+          <form onSubmit={form.handleSubmit(onSubmit)} className="space-y-4">
+            <FormField
+              control={form.control}
+              name="currentPassword"
+              render={({ field }) => (
+                <FormItem>
+                  <FormLabel>{t('common.currentPassword')}</FormLabel>
+                  <FormControl>
+                    <Input
+                      type="password"
+                      placeholder={t('common.enterCurrentPassword')}
+                      {...field}
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+            <FormField
+              control={form.control}
+              name="newPassword"
+              render={({ field }) => (
+                <FormItem>
+                  <FormLabel>{t('common.newPassword')}</FormLabel>
+                  <FormControl>
+                    <Input
+                      type="password"
+                      placeholder={t('common.enterNewPassword')}
+                      {...field}
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+            <FormField
+              control={form.control}
+              name="confirmNewPassword"
+              render={({ field }) => (
+                <FormItem>
+                  <FormLabel>{t('common.confirmNewPassword')}</FormLabel>
+                  <FormControl>
+                    <Input
+                      type="password"
+                      placeholder={t('common.enterConfirmPassword')}
+                      {...field}
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+            <DialogFooter>
+              <Button
+                type="button"
+                variant="outline"
+                onClick={() => onOpenChange(false)}
+                disabled={isSubmitting}
+              >
+                {t('common.cancel')}
+              </Button>
+              <Button type="submit" disabled={isSubmitting}>
+                {isSubmitting ? t('common.saving') : t('common.save')}
+              </Button>
+            </DialogFooter>
+          </form>
+        </Form>
+      </DialogContent>
+    </Dialog>
+  );
+}
--- a/web/src/app/home/knowledge/KBDetailDialog.tsx
+++ b/web/src/app/home/knowledge/KBDetailDialog.tsx
@@ -152,7 +152,7 @@ export default function KBDetailDialog({
          <SidebarProvider className="items-start w-full flex">
            <Sidebar
              collapsible="none"
-              className="hidden md:flex h-[80vh] w-40 min-w-[120px] border-r bg-white"
+              className="hidden md:flex h-[80vh] w-40 min-w-[120px] border-r bg-white dark:bg-black"
            >
              <SidebarContent>
                <SidebarGroup>
--- a/web/src/app/home/knowledge/components/kb-card/KBCard.module.css
+++ b/web/src/app/home/knowledge/components/kb-card/KBCard.module.css
@@ -10,12 +10,22 @@
  flex-direction: row;
  justify-content: space-between;
  gap: 0.5rem;
+  transition: all 0.2s ease;
+}
+
+:global(.dark) .cardContainer {
+  background-color: #1f1f22;
+  box-shadow: 0;
 }

 .cardContainer:hover {
  box-shadow: 0px 2px 8px 0 rgba(0, 0, 0, 0.1);
 }

+:global(.dark) .cardContainer:hover {
+  box-shadow: 0;
+}
+
 .basicInfoContainer {
  width: 100%;
  height: 100%;
@@ -35,6 +45,11 @@
 .basicInfoNameText {
  font-size: 1.4rem;
  font-weight: 500;
+  color: #1a1a1a;
+}
+
+:global(.dark) .basicInfoNameText {
+  color: #f0f0f0;
 }

 .basicInfoDescriptionText {
@@ -48,6 +63,10 @@
  color: #b1b1b1;
 }

+:global(.dark) .basicInfoDescriptionText {
+  color: #888888;
+}
+
 .basicInfoLastUpdatedTimeContainer {
  display: flex;
  flex-direction: row;
@@ -58,11 +77,21 @@
 .basicInfoUpdateTimeIcon {
  width: 1.2rem;
  height: 1.2rem;
+  color: #626262;
+}
+
+:global(.dark) .basicInfoUpdateTimeIcon {
+  color: #a0a0a0;
 }

 .basicInfoUpdateTimeText {
  font-size: 1rem;
  font-weight: 400;
+  color: #626262;
+}
+
+:global(.dark) .basicInfoUpdateTimeText {
+  color: #a0a0a0;
 }

 .operationContainer {
@@ -86,12 +115,20 @@
  color: #ffcd27;
 }

+:global(.dark) .operationDefaultBadgeIcon {
+  color: #fbbf24;
+}
+
 .operationDefaultBadgeText {
  font-size: 1rem;
  font-weight: 400;
  color: #ffcd27;
 }

+:global(.dark) .operationDefaultBadgeText {
+  color: #fbbf24;
+}
+
 .bigText {
  white-space: nowrap;
  overflow: hidden;
--- a/web/src/app/home/knowledge/components/kb-card/KBCardVO.ts
+++ b/web/src/app/home/knowledge/components/kb-card/KBCardVO.ts
@@ -3,6 +3,7 @@ export interface IKnowledgeBaseVO {
  name: string;
  description: string;
  embeddingModelUUID: string;
+  top_k: number;
  lastUpdatedTimeAgo: string;
 }

@@ -11,6 +12,7 @@ export class KnowledgeBaseVO implements IKnowledgeBaseVO {
  name: string;
  description: string;
  embeddingModelUUID: string;
+  top_k: number;
  lastUpdatedTimeAgo: string;

  constructor(props: IKnowledgeBaseVO) {
@@ -18,6 +20,7 @@ export class KnowledgeBaseVO implements IKnowledgeBaseVO {
    this.name = props.name;
    this.description = props.description;
    this.embeddingModelUUID = props.embeddingModelUUID;
+    this.top_k = props.top_k;
    this.lastUpdatedTimeAgo = props.lastUpdatedTimeAgo;
  }
 }
--- a/web/src/app/home/knowledge/components/kb-docs/FileUploadZone.tsx
+++ b/web/src/app/home/knowledge/components/kb-docs/FileUploadZone.tsx
@@ -127,12 +127,12 @@ export default function FileUploadZone({
              </div>

              <div>
-                <p className="text-base font-medium text-gray-900">
+                <p className="text-base font-medium text-gray-900 dark:text-gray-100">
                  {isUploading
                    ? t('knowledge.documentsTab.uploading')
                    : t('knowledge.documentsTab.dragAndDrop')}
                </p>
-                <p className="text-xs text-gray-500 mt-1">
+                <p className="text-xs text-gray-500 mt-1 dark:text-gray-400">
                  {t('knowledge.documentsTab.supportedFormats')}
                </p>
              </div>
--- a/web/src/app/home/knowledge/components/kb-docs/documents/columns.tsx
+++ b/web/src/app/home/knowledge/components/kb-docs/documents/columns.tsx
@@ -77,7 +77,10 @@ export const columns = (
                <MoreHorizontal className="h-4 w-4" />
              </Button>
            </DropdownMenuTrigger>
-            <DropdownMenuContent align="end">
+            <DropdownMenuContent
+              align="end"
+              className="bg-white dark:bg-[#2a2a2e]"
+            >
              <DropdownMenuLabel>
                {t('knowledge.documentsTab.actions')}
              </DropdownMenuLabel>
--- a/web/src/app/home/knowledge/components/kb-form/KBForm.tsx
+++ b/web/src/app/home/knowledge/components/kb-form/KBForm.tsx
@@ -35,6 +35,10 @@ const getFormSchema = (t: (key: string) => string) =>
    embeddingModelUUID: z
      .string()
      .min(1, { message: t('knowledge.embeddingModelUUIDRequired') }),
+    top_k: z
+      .number()
+      .min(1, { message: t('knowledge.topKRequired') })
+      .max(30, { message: t('knowledge.topKMax') }),
  });

 export default function KBForm({
@@ -55,6 +59,7 @@ export default function KBForm({
      name: '',
      description: t('knowledge.defaultDescription'),
      embeddingModelUUID: '',
+      top_k: 5,
    },
  });

@@ -69,6 +74,7 @@ export default function KBForm({
          form.setValue('name', val.name);
          form.setValue('description', val.description);
          form.setValue('embeddingModelUUID', val.embeddingModelUUID);
+          form.setValue('top_k', val.top_k || 5);
        });
      }
    });
@@ -83,6 +89,7 @@ export default function KBForm({
          name: res.base.name,
          description: res.base.description,
          embeddingModelUUID: res.base.embedding_model_uuid,
+          top_k: res.base.top_k || 5,
        });
      });
    });
@@ -109,6 +116,7 @@ export default function KBForm({
        name: data.name,
        description: data.description,
        embedding_model_uuid: data.embeddingModelUUID,
+        top_k: data.top_k,
      };
      httpClient
        .updateKnowledgeBase(initKbId, updateKb)
@@ -127,6 +135,7 @@ export default function KBForm({
        name: data.name,
        description: data.description,
        embedding_model_uuid: data.embeddingModelUUID,
+        top_k: data.top_k,
      };
      httpClient
        .createKnowledgeBase(newKb)
@@ -200,7 +209,7 @@ export default function KBForm({
                        }}
                        value={field.value}
                      >
-                        <SelectTrigger className="w-[180px]">
+                        <SelectTrigger className="w-[180px] bg-[#ffffff] dark:bg-[#2a2a2e]">
                          <SelectValue
                            placeholder={t('knowledge.selectEmbeddingModel')}
                          />
@@ -226,6 +235,30 @@ export default function KBForm({
                </FormItem>
              )}
            />
+            <FormField
+              control={form.control}
+              name="top_k"
+              render={({ field }) => (
+                <FormItem>
+                  <FormLabel>
+                    {t('knowledge.topK')}
+                    <span className="text-red-500">*</span>
+                  </FormLabel>
+                  <FormControl>
+                    <Input
+                      type="number"
+                      {...field}
+                      onChange={(e) => field.onChange(Number(e.target.value))}
+                      className="w-[180px] h-10 text-base appearance-none"
+                    />
+                  </FormControl>
+                  <FormDescription>
+                    {t('knowledge.topKdescription')}
+                  </FormDescription>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
          </div>
        </form>
      </Form>
--- a/web/src/app/home/knowledge/page.tsx
+++ b/web/src/app/home/knowledge/page.tsx
@@ -46,6 +46,7 @@ export default function KnowledgePage() {
          name: kb.name,
          description: kb.description,
          embeddingModelUUID: kb.embedding_model_uuid,
+          top_k: kb.top_k ?? 5,
          lastUpdatedTimeAgo: lastUpdatedTimeAgoText,
        });
      }),
--- a/web/src/app/home/layout.module.css
+++ b/web/src/app/home/layout.module.css
@@ -7,6 +7,19 @@
  background-color: #eee;
 }

+:global(.dark) .homeLayoutContainer {
+  background-color: #0a0a0b;
+}
+
+/* 侧边栏区域 */
+.sidebar {
+  background-color: #eee;
+}
+
+:global(.dark) .sidebar {
+  background-color: #0a0a0b;
+}
+
 /* 主内容区域 */
 .main {
  background-color: #fafafa;
@@ -23,6 +36,11 @@
  box-shadow: 0 0 6px 0 rgba(0, 0, 0, 0.05);
 }

+:global(.dark) .main {
+  background-color: #151518;
+  box-shadow: 0 0 6px 0 rgba(255, 255, 255, 0.05);
+}
+
 .mainContent {
  padding: 1.5rem;
  padding-left: 2rem;
@@ -30,3 +48,7 @@
  overflow-y: auto;
  background-color: #fafafa;
 }
+
+:global(.dark) .mainContent {
+  background-color: #151518;
+}
--- a/web/src/app/home/models/component/embedding-card/EmbeddingCard.module.css
+++ b/web/src/app/home/models/component/embedding-card/EmbeddingCard.module.css
@@ -6,12 +6,22 @@
  box-shadow: 0px 2px 2px 0 rgba(0, 0, 0, 0.2);
  padding: 1.2rem;
  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+:global(.dark) .cardContainer {
+  background-color: #1f1f22;
+  box-shadow: 0;
 }

 .cardContainer:hover {
  box-shadow: 0px 2px 8px 0 rgba(0, 0, 0, 0.1);
 }

+:global(.dark) .cardContainer:hover {
+  box-shadow: 0;
+}
+
 .iconBasicInfoContainer {
  width: 100%;
  height: 100%;
@@ -39,6 +49,11 @@
 .basicInfoText {
  font-size: 1.4rem;
  font-weight: bold;
+  color: #1a1a1a;
+}
+
+:global(.dark) .basicInfoText {
+  color: #f0f0f0;
 }

 .providerContainer {
@@ -56,12 +71,20 @@
  color: #626262;
 }

+:global(.dark) .providerIcon {
+  color: #a0a0a0;
+}
+
 .providerLabel {
  font-size: 1.2rem;
  font-weight: 600;
  color: #626262;
 }

+:global(.dark) .providerLabel {
+  color: #a0a0a0;
+}
+
 .baseURLContainer {
  display: flex;
  flex-direction: row;
@@ -77,6 +100,10 @@
  color: #626262;
 }

+:global(.dark) .baseURLIcon {
+  color: #a0a0a0;
+}
+
 .baseURLText {
  font-size: 1rem;
  width: 100%;
@@ -87,6 +114,10 @@
  max-width: 100%;
 }

+:global(.dark) .baseURLText {
+  color: #a0a0a0;
+}
+
 .bigText {
  white-space: nowrap;
  overflow: hidden;
--- a/web/src/app/home/models/component/embedding-form/EmbeddingForm.tsx
+++ b/web/src/app/home/models/component/embedding-form/EmbeddingForm.tsx
@@ -417,7 +417,7 @@ export default function EmbeddingForm({
                      }}
                      value={field.value}
                    >
-                      <SelectTrigger className="w-[180px]">
+                      <SelectTrigger className="w-[180px] bg-[#ffffff] dark:bg-[#2a2a2e]">
                        <SelectValue
                          placeholder={t('models.selectModelProvider')}
                        />
@@ -492,7 +492,7 @@ export default function EmbeddingForm({
                        updateExtraArg(index, 'type', value)
                      }
                    >
-                      <SelectTrigger className="w-[120px]">
+                      <SelectTrigger className="w-[120px] bg-[#ffffff] dark:bg-[#2a2a2e]">
                        <SelectValue placeholder={t('models.type')} />
                      </SelectTrigger>
                      <SelectContent>
--- a/web/src/app/home/models/component/llm-card/LLMCard.module.css
+++ b/web/src/app/home/models/component/llm-card/LLMCard.module.css
@@ -6,12 +6,22 @@
  box-shadow: 0px 2px 2px 0 rgba(0, 0, 0, 0.2);
  padding: 1.2rem;
  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+:global(.dark) .cardContainer {
+  background-color: #1f1f22;
+  box-shadow: 0;
 }

 .cardContainer:hover {
  box-shadow: 0px 2px 8px 0 rgba(0, 0, 0, 0.1);
 }

+:global(.dark) .cardContainer:hover {
+  box-shadow: 0;
+}
+
 .iconBasicInfoContainer {
  width: 100%;
  height: 100%;
@@ -40,6 +50,11 @@
 .basicInfoText {
  font-size: 1.4rem;
  font-weight: bold;
+  color: #1a1a1a;
+}
+
+:global(.dark) .basicInfoText {
+  color: #f0f0f0;
 }

 .providerContainer {
@@ -57,12 +72,20 @@
  color: #626262;
 }

+:global(.dark) .providerIcon {
+  color: #a0a0a0;
+}
+
 .providerLabel {
  font-size: 1.2rem;
  font-weight: 600;
  color: #626262;
 }

+:global(.dark) .providerLabel {
+  color: #a0a0a0;
+}
+
 .baseURLContainer {
  display: flex;
  flex-direction: row;
@@ -78,6 +101,10 @@
  color: #626262;
 }

+:global(.dark) .baseURLIcon {
+  color: #a0a0a0;
+}
+
 .baseURLText {
  font-size: 1rem;
  width: 100%;
@@ -88,6 +115,10 @@
  max-width: 100%;
 }

+:global(.dark) .baseURLText {
+  color: #a0a0a0;
+}
+
 .abilitiesContainer {
  display: flex;
  flex-direction: row;
@@ -108,18 +139,30 @@
  background-color: #66baff80;
 }

+:global(.dark) .abilityBadge {
+  background-color: rgba(34, 136, 238, 0.3);
+}
+
 .abilityIcon {
  width: 1rem;
  height: 1rem;
  color: #2288ee;
 }

+:global(.dark) .abilityIcon {
+  color: #66baff;
+}
+
 .abilityLabel {
  font-size: 0.8rem;
  font-weight: 400;
  color: #2288ee;
 }

+:global(.dark) .abilityLabel {
+  color: #66baff;
+}
+
 .bigText {
  white-space: nowrap;
  overflow: hidden;
--- a/web/src/app/home/models/component/llm-form/LLMForm.tsx
+++ b/web/src/app/home/models/component/llm-form/LLMForm.tsx
@@ -432,7 +432,7 @@ export default function LLMForm({
                      }}
                      value={field.value}
                    >
-                      <SelectTrigger className="w-[180px]">
+                      <SelectTrigger className="w-[180px] bg-[#ffffff] dark:bg-[#2a2a2e]">
                        <SelectValue
                          placeholder={t('models.selectModelProvider')}
                        />
@@ -565,7 +565,7 @@ export default function LLMForm({
                        updateExtraArg(index, 'type', value)
                      }
                    >
-                      <SelectTrigger className="w-[120px]">
+                      <SelectTrigger className="w-[120px] bg-[#ffffff] dark:bg-[#2a2a2e]">
                        <SelectValue placeholder={t('models.type')} />
                      </SelectTrigger>
                      <SelectContent>
--- a/web/src/app/home/models/page.tsx
+++ b/web/src/app/home/models/page.tsx
@@ -192,7 +192,7 @@ export default function LLMConfigPage() {
      <Tabs defaultValue="llm" className="w-full">
        <div className="flex flex-row gap-0 mb-4">
          <div className="flex flex-row justify-between items-center px-[0.8rem]">
-            <TabsList className="shadow-md py-5 bg-[#f0f0f0]">
+            <TabsList className="shadow-md py-5 bg-[#f0f0f0] dark:bg-[#2a2a2e]">
              <TabsTrigger value="llm" className="px-6 py-4 cursor-pointer">
                {t('llm.llmModels')}
              </TabsTrigger>
@@ -206,12 +206,14 @@ export default function LLMConfigPage() {
          </div>
          <TabsContent value="llm">
            <div className="flex flex-row justify-between items-center px-[0.4rem] h-full">
-              <p className="text-sm text-gray-500">{t('llm.description')}</p>
+              <p className="text-sm text-gray-500 dark:text-gray-400">
+                {t('llm.description')}
+              </p>
            </div>
          </TabsContent>
          <TabsContent value="embedding">
            <div className="flex flex-row justify-between items-center px-[0.4rem] h-full">
-              <p className="text-sm text-gray-500">
+              <p className="text-sm text-gray-500 dark:text-gray-400">
                {t('embedding.description')}
              </p>
            </div>
--- a/web/src/app/home/pipelines/PipelineDetailDialog.tsx
+++ b/web/src/app/home/pipelines/PipelineDetailDialog.tsx
@@ -142,7 +142,7 @@ export default function PipelineDialog({
        <SidebarProvider className="items-start w-full flex h-full min-h-0">
          <Sidebar
            collapsible="none"
-            className="hidden md:flex h-full min-h-0 w-40 border-r bg-white"
+            className="hidden md:flex h-full min-h-0 w-40 border-r bg-white dark:bg-black"
          >
            <SidebarContent>
              <SidebarGroup>
--- a/web/src/app/home/pipelines/components/debug-dialog/AtBadge.tsx
+++ b/web/src/app/home/pipelines/components/debug-dialog/AtBadge.tsx
@@ -15,13 +15,13 @@ export default function AtBadge({
  return (
    <Badge
      variant="secondary"
-      className="flex items-center gap-1 px-2 py-1 text-sm bg-blue-100 text-blue-600 hover:bg-blue-200"
+      className="flex items-center gap-1 px-2 py-1 text-sm bg-blue-100 dark:bg-blue-900/40 text-blue-600 dark:text-blue-300 hover:bg-blue-200 dark:hover:bg-blue-900/60"
    >
      @{targetName}
      {!readonly && onRemove && (
        <button
          onClick={onRemove}
-          className="ml-1 hover:text-blue-800 focus:outline-none"
+          className="ml-1 hover:text-blue-800 dark:hover:text-blue-200 focus:outline-none"
        >
          <X className="h-3 w-3" />
        </button>
--- a/web/src/app/home/pipelines/components/debug-dialog/DebugDialog.tsx
+++ b/web/src/app/home/pipelines/components/debug-dialog/DebugDialog.tsx
@@ -302,14 +302,14 @@ export default function DebugDialog({

  const renderContent = () => (
    <div className="flex flex-1 h-full min-h-0">
-      <div className="w-14 bg-white p-2 pl-0  flex-shrink-0 flex flex-col justify-start gap-2">
+      <div className="w-14 bg-white dark:bg-black p-2 pl-0  flex-shrink-0 flex flex-col justify-start gap-2">
        <Button
          variant="ghost"
          size="icon"
          className={`w-10 h-10 justify-center rounded-md transition-none ${
            sessionType === 'person'
              ? 'bg-[#2288ee] text-white hover:bg-[#2288ee] hover:text-white'
-              : 'bg-white text-gray-800 hover:bg-gray-100'
+              : 'bg-white dark:bg-gray-800 text-gray-800 dark:text-gray-200 hover:bg-gray-100 dark:hover:bg-gray-700'
          } border-0 shadow-none`}
          onClick={() => setSessionType('person')}
        >
@@ -328,7 +328,7 @@ export default function DebugDialog({
          className={`w-10 h-10 justify-center rounded-md transition-none ${
            sessionType === 'group'
              ? 'bg-[#2288ee] text-white hover:bg-[#2288ee] hover:text-white'
-              : 'bg-white text-gray-800 hover:bg-gray-100'
+              : 'bg-white dark:bg-gray-800 text-gray-800 dark:text-gray-200 hover:bg-gray-100 dark:hover:bg-gray-700'
          } border-0 shadow-none`}
          onClick={() => setSessionType('group')}
        >
@@ -345,7 +345,7 @@ export default function DebugDialog({
      </div>

      <div className="flex-1 flex flex-col w-[10rem] h-full min-h-0">
-        <ScrollArea className="flex-1 p-6 overflow-y-auto min-h-0 bg-white">
+        <ScrollArea className="flex-1 p-6 overflow-y-auto min-h-0 bg-white dark:bg-black">
          <div className="space-y-6">
            {messages.length === 0 ? (
              <div className="text-center text-muted-foreground py-12 text-lg">
@@ -365,7 +365,7 @@ export default function DebugDialog({
                      'max-w-md px-5 py-3 rounded-2xl',
                      message.role === 'user'
                        ? 'bg-[#2288ee] text-white rounded-br-none'
-                        : 'bg-gray-100 text-gray-900 rounded-bl-none',
+                        : 'bg-gray-100 dark:bg-gray-800 text-gray-900 dark:text-gray-100 rounded-bl-none',
                    )}
                  >
                    {renderMessageContent(message)}
@@ -374,7 +374,7 @@ export default function DebugDialog({
                        'text-xs mt-2',
                        message.role === 'user'
                          ? 'text-white/70'
-                          : 'text-gray-500',
+                          : 'text-gray-500 dark:text-gray-400',
                      )}
                    >
                      {message.role === 'user'
@@ -389,7 +389,7 @@ export default function DebugDialog({
          </div>
        </ScrollArea>

-        <div className="p-4 pb-0 bg-white flex gap-2">
+        <div className="p-4 pb-0 bg-white dark:bg-black flex gap-2">
          <div className="flex items-center gap-2">
            <span className="text-sm text-gray-600">
              {t('pipelines.debugDialog.streaming')}
@@ -412,23 +412,25 @@ export default function DebugDialog({
                      ? t('pipelines.debugDialog.privateChat')
                      : t('pipelines.debugDialog.groupChat'),
                })}
-                className="flex-1 rounded-md px-3 py-2 border border-gray-300 focus:border-[#2288ee] transition-none text-base"
+                className="flex-1 rounded-md px-3 py-2 border border-gray-300 dark:border-gray-600 dark:bg-gray-800 dark:text-gray-100 focus:border-[#2288ee] transition-none text-base"
              />
              {showAtPopover && (
                <div
                  ref={popoverRef}
-                  className="absolute bottom-full left-0 mb-2 w-auto rounded-md border bg-white shadow-lg"
+                  className="absolute bottom-full left-0 mb-2 w-auto rounded-md border bg-white dark:bg-gray-800 dark:border-gray-600 shadow-lg"
                >
                  <div
                    className={cn(
                      'flex items-center gap-2 px-4 py-1.5 rounded cursor-pointer',
-                      isHovering ? 'bg-gray-100' : 'bg-white',
+                      isHovering
+                        ? 'bg-gray-100 dark:bg-gray-700'
+                        : 'bg-white dark:bg-gray-800',
                    )}
                    onClick={handleAtSelect}
                    onMouseEnter={() => setIsHovering(true)}
                    onMouseLeave={() => setIsHovering(false)}
                  >
-                    <span>
+                    <span className="text-gray-800 dark:text-gray-200">
                      @webchatbot - {t('pipelines.debugDialog.atTips')}
                    </span>
                  </div>
@@ -459,7 +461,7 @@ export default function DebugDialog({

  // 原有的Dialog包装
  return (
-    <DialogContent className="!max-w-[70vw] max-w-6xl h-[70vh] p-6 flex flex-col rounded-2xl shadow-2xl bg-white">
+    <DialogContent className="!max-w-[70vw] max-w-6xl h-[70vh] p-6 flex flex-col rounded-2xl shadow-2xl bg-white dark:bg-black">
      {renderContent()}
    </DialogContent>
  );
--- a/web/src/app/home/pipelines/components/pipeline-card/pipelineCard.module.css
+++ b/web/src/app/home/pipelines/components/pipeline-card/pipelineCard.module.css
@@ -10,12 +10,22 @@
  flex-direction: row;
  justify-content: space-between;
  gap: 0.5rem;
+  transition: all 0.2s ease;
+}
+
+:global(.dark) .cardContainer {
+  background-color: #1f1f22;
+  box-shadow: 0;
 }

 .cardContainer:hover {
  box-shadow: 0px 2px 8px 0 rgba(0, 0, 0, 0.1);
 }

+:global(.dark) .cardContainer:hover {
+  box-shadow: 0;
+}
+
 .basicInfoContainer {
  width: 100%;
  height: 100%;
@@ -35,6 +45,11 @@
 .basicInfoNameText {
  font-size: 1.4rem;
  font-weight: 500;
+  color: #1a1a1a;
+}
+
+:global(.dark) .basicInfoNameText {
+  color: #f0f0f0;
 }

 .basicInfoDescriptionText {
@@ -48,6 +63,10 @@
  color: #b1b1b1;
 }

+:global(.dark) .basicInfoDescriptionText {
+  color: #888888;
+}
+
 .basicInfoLastUpdatedTimeContainer {
  display: flex;
  flex-direction: row;
@@ -58,11 +77,21 @@
 .basicInfoUpdateTimeIcon {
  width: 1.2rem;
  height: 1.2rem;
+  color: #626262;
+}
+
+:global(.dark) .basicInfoUpdateTimeIcon {
+  color: #a0a0a0;
 }

 .basicInfoUpdateTimeText {
  font-size: 1rem;
  font-weight: 400;
+  color: #626262;
+}
+
+:global(.dark) .basicInfoUpdateTimeText {
+  color: #a0a0a0;
 }

 .operationContainer {
@@ -86,12 +115,20 @@
  color: #ffcd27;
 }

+:global(.dark) .operationDefaultBadgeIcon {
+  color: #fbbf24;
+}
+
 .operationDefaultBadgeText {
  font-size: 1rem;
  font-weight: 400;
  color: #ffcd27;
 }

+:global(.dark) .operationDefaultBadgeText {
+  color: #fbbf24;
+}
+
 .bigText {
  white-space: nowrap;
  overflow: hidden;
--- a/web/src/app/home/pipelines/components/pipeline-form/PipelineFormComponent.tsx
+++ b/web/src/app/home/pipelines/components/pipeline-form/PipelineFormComponent.tsx
@@ -342,7 +342,7 @@ export default function PipelineFormComponent({

  return (
    <>
-      <div className="!max-w-[70vw] max-w-6xl h-full p-0 flex flex-col bg-white">
+      <div className="!max-w-[70vw] max-w-6xl h-full p-0 flex flex-col bg-white dark:bg-black">
        <Form {...form}>
          <form
            id="pipeline-form"
@@ -456,7 +456,7 @@ export default function PipelineFormComponent({
          </form>
          {/* 按钮栏移到 Tabs 外部，始终固定底部 */}
          {showButtons && (
-            <div className="flex justify-end gap-2 pt-4 border-t mb-0 bg-white sticky bottom-0 z-10">
+            <div className="flex justify-end gap-2 pt-4 border-t mb-0 bg-white dark:bg-black sticky bottom-0 z-10">
              {isEditMode && !isDefaultPipeline && (
                <Button
                  type="button"
--- a/web/src/app/home/pipelines/page.tsx
+++ b/web/src/app/home/pipelines/page.tsx
@@ -125,17 +125,26 @@ export default function PluginConfigPage() {
          value={`${sortByValue},${sortOrderValue}`}
          onValueChange={handleSortChange}
        >
-          <SelectTrigger className="w-[180px] cursor-pointer bg-white dark:bg-gray-800">
+          <SelectTrigger className="w-[180px] cursor-pointer bg-[#ffffff] dark:bg-[#2a2a2e]">
            <SelectValue placeholder={t('pipelines.sortBy')} />
          </SelectTrigger>
-          <SelectContent>
-            <SelectItem value="created_at,DESC">
+          <SelectContent className="bg-[#ffffff] dark:bg-[#2a2a2e]">
+            <SelectItem
+              value="created_at,DESC"
+              className="text-gray-900 dark:text-gray-100"
+            >
              {t('pipelines.newestCreated')}
            </SelectItem>
-            <SelectItem value="updated_at,DESC">
+            <SelectItem
+              value="updated_at,DESC"
+              className="text-gray-900 dark:text-gray-100"
+            >
              {t('pipelines.recentlyEdited')}
            </SelectItem>
-            <SelectItem value="updated_at,ASC">
+            <SelectItem
+              value="updated_at,ASC"
+              className="text-gray-900 dark:text-gray-100"
+            >
              {t('pipelines.earliestEdited')}
            </SelectItem>
          </SelectContent>
--- a/web/src/app/home/plugins/page.tsx
+++ b/web/src/app/home/plugins/page.tsx
@@ -85,7 +85,7 @@ export default function PluginConfigPage() {
    <div className={styles.pageContainer}>
      <Tabs defaultValue="installed" className="w-full">
        <div className="flex flex-row justify-between items-center px-[0.8rem]">
-          <TabsList className="shadow-md py-5 bg-[#f0f0f0]">
+          <TabsList className="shadow-md py-5 bg-[#f0f0f0] dark:bg-[#2a2a2e]">
            <TabsTrigger value="installed" className="px-6 py-4 cursor-pointer">
              {t('plugins.installed')}
            </TabsTrigger>
@@ -134,7 +134,7 @@ export default function PluginConfigPage() {
      </Tabs>

      <Dialog open={modalOpen} onOpenChange={setModalOpen}>
-        <DialogContent className="w-[500px] p-6">
+        <DialogContent className="w-[500px] p-6 bg-white dark:bg-[#1a1a1e]">
          <DialogHeader>
            <DialogTitle className="flex items-center gap-4">
              <GithubIcon className="size-6" />
--- a/web/src/app/home/plugins/plugin-installed/plugin-card/PluginCardComponent.tsx
+++ b/web/src/app/home/plugins/plugin-installed/plugin-card/PluginCardComponent.tsx
@@ -34,7 +34,7 @@ export default function PluginCardComponent({
  }
  return (
    <div
-      className="w-[100%] h-[10rem] bg-white rounded-[10px] shadow-[0px_2px_2px_0_rgba(0,0,0,0.2)] p-[1.2rem] cursor-pointer"
+      className="w-[100%] h-[10rem] bg-white dark:bg-[#1f1f22] rounded-[10px] shadow-[0px_2px_2px_0_rgba(0,0,0,0.2)] dark:shadow-[0] p-[1.2rem] cursor-pointer transition-all duration-200 hover:shadow-[0px_2px_8px_0_rgba(0,0,0,0.1)] dark:hover:shadow-[0]"
      onClick={onCardClick}
    >
      <div className="w-full h-full flex flex-row items-start justify-start gap-[1.2rem]">
@@ -50,18 +50,20 @@ export default function PluginCardComponent({
        <div className="w-full h-full flex flex-col items-start justify-between gap-[0.6rem]">
          <div className="flex flex-col items-start justify-start">
            <div className="flex flex-col items-start justify-start">
-              <div className="text-[0.7rem] text-[#666]">
+              <div className="text-[0.7rem] text-[#666] dark:text-[#a0a0a0]">
                {cardVO.author} /{' '}
              </div>
              <div className="flex flex-row items-center justify-start gap-[0.4rem]">
-                <div className="text-[1.2rem] text-black">{cardVO.name}</div>
+                <div className="text-[1.2rem] text-black dark:text-[#f0f0f0]">
+                  {cardVO.name}
+                </div>
                <Badge variant="outline" className="text-[0.7rem]">
                  v{cardVO.version}
                </Badge>
              </div>
            </div>

-            <div className="text-[0.8rem] text-[#666] line-clamp-2">
+            <div className="text-[0.8rem] text-[#666] dark:text-[#888888] line-clamp-2">
              {cardVO.description}
            </div>
          </div>
@@ -69,14 +71,14 @@ export default function PluginCardComponent({
          <div className="w-full flex flex-row items-start justify-start gap-[0.6rem]">
            <div className="flex h-full flex-row items-center justify-center gap-[0.4rem]">
              <svg
-                className="w-[1.2rem] h-[1.2rem] text-black"
+                className="w-[1.2rem] h-[1.2rem] text-black dark:text-[#f0f0f0]"
                xmlns="http://www.w3.org/2000/svg"
                viewBox="0 0 24 24"
                fill="currentColor"
              >
                <path d="M24 12L18.3431 17.6569L16.9289 16.2426L21.1716 12L16.9289 7.75736L18.3431 6.34315L24 12ZM2.82843 12L7.07107 16.2426L5.65685 17.6569L0 12L5.65685 6.34315L7.07107 7.75736L2.82843 12ZM9.78845 21H7.66009L14.2116 3H16.3399L9.78845 21Z"></path>
              </svg>
-              <div className="text-base text-black font-medium">
+              <div className="text-base text-black dark:text-[#f0f0f0] font-medium">
                {t('plugins.eventCount', {
                  count: Object.keys(cardVO.event_handlers).length,
                })}
@@ -85,14 +87,14 @@ export default function PluginCardComponent({

            <div className="flex h-full flex-row items-center justify-center gap-[0.4rem]">
              <svg
-                className="w-[1.2rem] h-[1.2rem] text-black"
+                className="w-[1.2rem] h-[1.2rem] text-black dark:text-[#f0f0f0]"
                xmlns="http://www.w3.org/2000/svg"
                viewBox="0 0 24 24"
                fill="currentColor"
              >
                <path d="M5.32943 3.27158C6.56252 2.8332 7.9923 3.10749 8.97927 4.09446C10.1002 5.21537 10.3019 6.90741 9.5843 8.23385L20.293 18.9437L18.8788 20.3579L8.16982 9.64875C6.84325 10.3669 5.15069 10.1654 4.02952 9.04421C3.04227 8.05696 2.7681 6.62665 3.20701 5.39332L5.44373 7.63C6.02952 8.21578 6.97927 8.21578 7.56505 7.63C8.15084 7.04421 8.15084 6.09446 7.56505 5.50868L5.32943 3.27158ZM15.6968 5.15512L18.8788 3.38736L20.293 4.80157L18.5252 7.98355L16.7574 8.3371L14.6361 10.4584L13.2219 9.04421L15.3432 6.92289L15.6968 5.15512ZM8.97927 13.2868L10.3935 14.7011L5.09018 20.0044C4.69966 20.3949 4.06649 20.3949 3.67597 20.0044C3.31334 19.6417 3.28744 19.0699 3.59826 18.6774L3.67597 18.5902L8.97927 13.2868Z"></path>
              </svg>
-              <div className="text-base text-black font-medium">
+              <div className="text-base text-black dark:text-[#f0f0f0] font-medium">
                {t('plugins.toolCount', { count: cardVO.tools.length })}
              </div>
            </div>
@@ -115,7 +117,9 @@ export default function PluginCardComponent({
              <div className="flex items-center justify-center gap-[0.4rem]">
                <svg
                  className={`w-[1.4rem] h-[1.4rem] cursor-pointer ${
-                    cardVO.repository ? 'text-black' : 'text-gray-400'
+                    cardVO.repository
+                      ? 'text-black dark:text-[#f0f0f0]'
+                      : 'text-gray-400 dark:text-gray-600'
                  }`}
                  xmlns="http://www.w3.org/2000/svg"
                  viewBox="0 0 24 24"
--- a/web/src/app/home/plugins/plugin-market/PluginMarketComponent.tsx
+++ b/web/src/app/home/plugins/plugin-market/PluginMarketComponent.tsx
@@ -141,15 +141,26 @@ export default function PluginMarketComponent({
          value={`${sortByValue},${sortOrderValue}`}
          onValueChange={handleSortChange}
        >
-          <SelectTrigger className="w-[180px] ml-2 cursor-pointer">
+          <SelectTrigger className="w-[180px] ml-2 cursor-pointer bg-[#ffffff] dark:bg-[#2a2a2e]">
            <SelectValue placeholder={t('plugins.sortBy')} />
          </SelectTrigger>
-          <SelectContent>
-            <SelectItem value="stars,DESC">{t('plugins.mostStars')}</SelectItem>
-            <SelectItem value="created_at,DESC">
+          <SelectContent className="bg-[#ffffff] dark:bg-[#2a2a2e]">
+            <SelectItem
+              value="stars,DESC"
+              className="text-gray-900 dark:text-gray-100"
+            >
+              {t('plugins.mostStars')}
+            </SelectItem>
+            <SelectItem
+              value="created_at,DESC"
+              className="text-gray-900 dark:text-gray-100"
+            >
              {t('plugins.recentlyAdded')}
            </SelectItem>
-            <SelectItem value="pushed_at,DESC">
+            <SelectItem
+              value="pushed_at,DESC"
+              className="text-gray-900 dark:text-gray-100"
+            >
              {t('plugins.recentlyUpdated')}
            </SelectItem>
          </SelectContent>
@@ -198,7 +209,7 @@ export default function PluginMarketComponent({
                            isActive={pageNum === nowPage}
                            onClick={() => handlePageChange(pageNum)}
                          >
-                            <span className="text-black select-none">
+                            <span className="text-black dark:text-white select-none">
                              {pageNum}
                            </span>
                          </PaginationLink>
--- a/web/src/app/home/plugins/plugin-market/plugin-market-card/PluginMarketCardComponent.tsx
+++ b/web/src/app/home/plugins/plugin-market/plugin-market-card/PluginMarketCardComponent.tsx
@@ -16,7 +16,7 @@ export default function PluginMarketCardComponent({
  }

  return (
-    <div className="w-[100%] h-[10rem] bg-white rounded-[10px] shadow-[0px_2px_2px_0_rgba(0,0,0,0.2)] p-[1.2rem]">
+    <div className="w-[100%] h-[10rem] bg-white dark:bg-[#1f1f22] rounded-[10px] shadow-[0px_2px_2px_0_rgba(0,0,0,0.2)] dark:shadow-[0] p-[1.2rem] transition-all duration-200 hover:shadow-[0px_2px_8px_0_rgba(0,0,0,0.1)] dark:hover:shadow-[0]">
      <div className="w-full h-full flex flex-row items-start justify-start gap-[1.2rem]">
        <svg
          className="w-16 h-16 text-[#2288ee]"
@@ -30,15 +30,17 @@ export default function PluginMarketCardComponent({
        <div className="w-full h-full flex flex-col items-start justify-between gap-[0.6rem]">
          <div className="flex flex-col items-start justify-start">
            <div className="flex flex-col items-start justify-start">
-              <div className="text-[0.7rem] text-[#666]">
+              <div className="text-[0.7rem] text-[#666] dark:text-[#a0a0a0]">
                {cardVO.author} /{' '}
              </div>
              <div className="flex flex-row items-center justify-start gap-[0.4rem]">
-                <div className="text-[1.2rem] text-black">{cardVO.name}</div>
+                <div className="text-[1.2rem] text-black dark:text-[#f0f0f0]">
+                  {cardVO.name}
+                </div>
              </div>
            </div>

-            <div className="text-[0.8rem] text-[#666] line-clamp-2">
+            <div className="text-[0.8rem] text-[#666] dark:text-[#888888] line-clamp-2">
              {cardVO.description}
            </div>
          </div>
@@ -46,21 +48,21 @@ export default function PluginMarketCardComponent({
          <div className="w-full flex flex-row items-start justify-between gap-[0.6rem]">
            <div className="flex h-full flex-row items-center justify-center gap-[0.4rem]">
              <svg
-                className="w-[1.2rem] h-[1.2rem] text-[#ffcd27]"
+                className="w-[1.2rem] h-[1.2rem] text-[#ffcd27] dark:text-[#fbbf24]"
                xmlns="http://www.w3.org/2000/svg"
                viewBox="0 0 24 24"
                fill="currentColor"
              >
                <path d="M12.0006 18.26L4.94715 22.2082L6.52248 14.2799L0.587891 8.7918L8.61493 7.84006L12.0006 0.5L15.3862 7.84006L23.4132 8.7918L17.4787 14.2799L19.054 22.2082L12.0006 18.26Z"></path>
              </svg>
-              <div className="text-base text-[#ffcd27] font-medium">
+              <div className="text-base text-[#ffcd27] dark:text-[#fbbf24] font-medium">
                {t('plugins.starCount', { count: cardVO.starCount })}
              </div>
            </div>

            <div className="flex h-full flex-row items-center justify-center gap-[0.4rem]">
              <svg
-                className="w-[1.4rem] h-[1.4rem] text-black cursor-pointer"
+                className="w-[1.4rem] h-[1.4rem] text-black dark:text-[#f0f0f0] cursor-pointer"
                xmlns="http://www.w3.org/2000/svg"
                viewBox="0 0 24 24"
                fill="currentColor"
--- a/web/src/app/infra/basic-component/create-card-component/createCartComponent.module.css
+++ b/web/src/app/infra/basic-component/create-card-component/createCartComponent.module.css
@@ -7,13 +7,27 @@
  align-items: center;
  justify-content: space-evenly;
  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+:global(.dark) .cardContainer {
+  background-color: #1f1f22;
+  box-shadow: 0;
 }

 .cardContainer:hover {
  box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.05);
 }

+:global(.dark) .cardContainer:hover {
+  box-shadow: 0;
+}
+
 .createCardContainer {
  font-size: 90px;
  color: #acacac;
 }
+
+:global(.dark) .createCardContainer {
+  color: #666666;
+}
--- a/web/src/app/infra/entities/api/index.ts
+++ b/web/src/app/infra/entities/api/index.ts
@@ -61,7 +61,7 @@ export interface KnowledgeBase {
  description: string;
  embedding_model_uuid: string;
  created_at?: string;
-  top_k?: number;
+  top_k: number;
 }

 export interface ApiRespProviderEmbeddingModels {
@@ -155,6 +155,7 @@ export interface KnowledgeBase {
  name: string;
  description: string;
  embedding_model_uuid: string;
+  top_k: number;
  created_at?: string;
  updated_at?: string;
 }
--- a/web/src/app/infra/http/HttpClient.ts
+++ b/web/src/app/infra/http/HttpClient.ts
@@ -715,6 +715,16 @@ class HttpClient {
      new_password: newPassword,
    });
  }
+
+  public changePassword(
+    currentPassword: string,
+    newPassword: string,
+  ): Promise<{ user: string }> {
+    return this.post('/api/v1/user/change-password', {
+      current_password: currentPassword,
+      new_password: newPassword,
+    });
+  }
 }

 const getBaseURL = (): string => {
--- a/web/src/app/layout.tsx
+++ b/web/src/app/layout.tsx
@@ -3,6 +3,7 @@ import 'react-photo-view/dist/react-photo-view.css';
 import type { Metadata } from 'next';
 import { Toaster } from '@/components/ui/sonner';
 import I18nProvider from '@/i18n/I18nProvider';
+import { ThemeProvider } from '@/components/providers/theme-provider';

 export const metadata: Metadata = {
  title: 'LangBot',
@@ -15,12 +16,14 @@ export default function RootLayout({
  children: React.ReactNode;
 }>) {
  return (
-    <html>
+    <html lang="zh" suppressHydrationWarning>
      <body className={``}>
-        <I18nProvider>
-          {children}
-          <Toaster />
-        </I18nProvider>
+        <ThemeProvider>
+          <I18nProvider>
+            {children}
+            <Toaster />
+          </I18nProvider>
+        </ThemeProvider>
      </body>
    </html>
  );
--- a/web/src/app/login/page.tsx
+++ b/web/src/app/login/page.tsx
@@ -8,13 +8,7 @@ import {
  CardTitle,
  CardDescription,
 } from '@/components/ui/card';
-import {
-  Select,
-  SelectContent,
-  SelectItem,
-  SelectTrigger,
-  SelectValue,
-} from '@/components/ui/select';
+import { LanguageSelector } from '@/components/ui/language-selector';
 import { useForm } from 'react-hook-form';
 import { zodResolver } from '@hookform/resolvers/zod';
 import * as z from 'zod';
@@ -26,15 +20,15 @@ import {
  FormLabel,
  FormMessage,
 } from '@/components/ui/form';
-import { useEffect, useState } from 'react';
+import { useEffect } from 'react';
 import { httpClient } from '@/app/infra/http/HttpClient';
 import { useRouter } from 'next/navigation';
-import { Mail, Lock, Globe } from 'lucide-react';
+import { Mail, Lock } from 'lucide-react';
 import langbotIcon from '@/app/assets/langbot-logo.webp';
 import { toast } from 'sonner';
 import { useTranslation } from 'react-i18next';
-import i18n from '@/i18n';
 import Link from 'next/link';
+import { ThemeToggle } from '@/components/ui/theme-toggle';

 const formSchema = (t: (key: string) => string) =>
  z.object({
@@ -45,7 +39,6 @@ const formSchema = (t: (key: string) => string) =>
 export default function Login() {
  const router = useRouter();
  const { t } = useTranslation();
-  const [currentLanguage, setCurrentLanguage] = useState<string>(i18n.language);

  const form = useForm<z.infer<ReturnType<typeof formSchema>>>({
    resolver: zodResolver(formSchema(t)),
@@ -56,57 +49,10 @@ export default function Login() {
  });

  useEffect(() => {
-    judgeLanguage();
    getIsInitialized();
    checkIfAlreadyLoggedIn();
  }, []);

-  const judgeLanguage = () => {
-    if (i18n.language === 'zh-CN' || i18n.language === 'zh-Hans') {
-      setCurrentLanguage('zh-Hans');
-      localStorage.setItem('langbot_language', 'zh-Hans');
-    } else if (i18n.language === 'zh-TW' || i18n.language === 'zh-Hant') {
-      setCurrentLanguage('zh-Hant');
-      localStorage.setItem('langbot_language', 'zh-Hant');
-    } else if (i18n.language === 'ja' || i18n.language === 'ja-JP') {
-      setCurrentLanguage('ja-JP');
-      localStorage.setItem('langbot_language', 'ja-JP');
-    } else {
-      setCurrentLanguage('en-US');
-      localStorage.setItem('langbot_language', 'en-US');
-    }
-    // check if the language is already set
-    const lang = localStorage.getItem('langbot_language');
-    if (lang) {
-      i18n.changeLanguage(lang);
-      setCurrentLanguage(lang);
-      return;
-    } else {
-      const language = navigator.language;
-      if (language) {
-        let lang = 'zh-Hans';
-        if (language === 'zh-CN') {
-          lang = 'zh-Hans';
-        } else if (language === 'zh-TW') {
-          lang = 'zh-Hant';
-        } else if (language === 'ja' || language === 'ja-JP') {
-          lang = 'ja-JP';
-        } else {
-          lang = 'en-US';
-        }
-        i18n.changeLanguage(lang);
-        setCurrentLanguage(lang);
-        localStorage.setItem('langbot_language', lang);
-      }
-    }
-  };
-
-  const handleLanguageChange = (value: string) => {
-    i18n.changeLanguage(value);
-    setCurrentLanguage(value);
-    localStorage.setItem('langbot_language', value);
-  };
-
  function getIsInitialized() {
    httpClient
      .checkIfInited()
@@ -155,25 +101,12 @@ export default function Login() {
  }

  return (
-    <div className="min-h-screen flex items-center justify-center bg-gray-50">
-      <Card className="w-[375px]">
+    <div className="min-h-screen flex items-center justify-center bg-gray-50 dark:dark:bg-neutral-900">
+      <Card className="w-[375px] shadow-lg dark:shadow-white/10">
        <CardHeader>
-          <div className="flex justify-end mb-6">
-            <Select
-              value={currentLanguage}
-              onValueChange={handleLanguageChange}
-            >
-              <SelectTrigger className="w-[140px]">
-                <Globe className="h-4 w-4 mr-2" />
-                <SelectValue placeholder={t('common.language')} />
-              </SelectTrigger>
-              <SelectContent>
-                <SelectItem value="zh-Hans">简体中文</SelectItem>
-                <SelectItem value="zh-Hant">繁體中文</SelectItem>
-                <SelectItem value="en-US">English</SelectItem>
-                <SelectItem value="ja-JP">日本語</SelectItem>
-              </SelectContent>
-            </Select>
+          <div className="flex justify-between items-center mb-6">
+            <ThemeToggle />
+            <LanguageSelector />
          </div>
          <img
            src={langbotIcon.src}
--- a/web/src/app/register/page.tsx
+++ b/web/src/app/register/page.tsx
@@ -8,13 +8,7 @@ import {
  CardTitle,
  CardDescription,
 } from '@/components/ui/card';
-import {
-  Select,
-  SelectContent,
-  SelectItem,
-  SelectTrigger,
-  SelectValue,
-} from '@/components/ui/select';
+import { LanguageSelector } from '@/components/ui/language-selector';
 import { useForm } from 'react-hook-form';
 import { zodResolver } from '@hookform/resolvers/zod';
 import * as z from 'zod';
@@ -26,14 +20,14 @@ import {
  FormLabel,
  FormMessage,
 } from '@/components/ui/form';
-import { useEffect, useState } from 'react';
+import { useEffect } from 'react';
 import { httpClient } from '@/app/infra/http/HttpClient';
 import { useRouter } from 'next/navigation';
-import { Mail, Lock, Globe } from 'lucide-react';
+import { Mail, Lock } from 'lucide-react';
 import langbotIcon from '@/app/assets/langbot-logo.webp';
 import { toast } from 'sonner';
 import { useTranslation } from 'react-i18next';
-import i18n from '@/i18n';
+import { ThemeToggle } from '@/components/ui/theme-toggle';

 const formSchema = (t: (key: string) => string) =>
  z.object({
@@ -44,7 +38,6 @@ const formSchema = (t: (key: string) => string) =>
 export default function Register() {
  const router = useRouter();
  const { t } = useTranslation();
-  const [currentLanguage, setCurrentLanguage] = useState<string>(i18n.language);

  const form = useForm<z.infer<ReturnType<typeof formSchema>>>({
    resolver: zodResolver(formSchema(t)),
@@ -55,58 +48,9 @@ export default function Register() {
  });

  useEffect(() => {
-    judgeLanguage();
    getIsInitialized();
  }, []);

-  const judgeLanguage = () => {
-    if (i18n.language === 'zh-CN' || i18n.language === 'zh-Hans') {
-      setCurrentLanguage('zh-Hans');
-      localStorage.setItem('langbot_language', 'zh-Hans');
-    } else if (i18n.language === 'zh-TW' || i18n.language === 'zh-Hant') {
-      setCurrentLanguage('zh-Hant');
-      localStorage.setItem('langbot_language', 'zh-Hant');
-    } else if (i18n.language === 'ja' || i18n.language === 'ja-JP') {
-      setCurrentLanguage('ja-JP');
-      localStorage.setItem('langbot_language', 'ja-JP');
-    } else {
-      setCurrentLanguage('en-US');
-      localStorage.setItem('langbot_language', 'en-US');
-    }
-    // check if the language is already set
-    const lang = localStorage.getItem('langbot_language');
-    console.log('lang: ', lang);
-    if (lang) {
-      i18n.changeLanguage(lang);
-      setCurrentLanguage(lang);
-    } else {
-      const language = navigator.language;
-      if (language) {
-        let lang = 'zh-Hans';
-        if (language === 'zh-CN') {
-          lang = 'zh-Hans';
-        } else if (language === 'zh-TW') {
-          lang = 'zh-Hant';
-        } else if (language === 'ja' || language === 'ja-JP') {
-          lang = 'ja-JP';
-        } else {
-          lang = 'en-US';
-        }
-        console.log('language: ', lang);
-        i18n.changeLanguage(lang);
-        setCurrentLanguage(lang);
-        localStorage.setItem('langbot_language', lang);
-      }
-    }
-  };
-
-  const handleLanguageChange = (value: string) => {
-    console.log('handleLanguageChange: ', value);
-    i18n.changeLanguage(value);
-    setCurrentLanguage(value);
-    localStorage.setItem('langbot_language', value);
-  };
-
  function getIsInitialized() {
    httpClient
      .checkIfInited()
@@ -139,25 +83,12 @@ export default function Register() {
  }

  return (
-    <div className="min-h-screen flex items-center justify-center bg-gray-50">
-      <Card className="w-[375px]">
+    <div className="min-h-screen flex items-center justify-center bg-gray-50 dark:bg-neutral-900">
+      <Card className="w-[375px] shadow-lg dark:shadow-white/10">
        <CardHeader>
-          <div className="flex justify-end mb-6">
-            <Select
-              value={currentLanguage}
-              onValueChange={handleLanguageChange}
-            >
-              <SelectTrigger className="w-[140px]">
-                <Globe className="h-4 w-4 mr-2" />
-                <SelectValue placeholder={t('common.language')} />
-              </SelectTrigger>
-              <SelectContent>
-                <SelectItem value="zh-Hans">简体中文</SelectItem>
-                <SelectItem value="zh-Hant">繁體中文</SelectItem>
-                <SelectItem value="en-US">English</SelectItem>
-                <SelectItem value="ja-JP">日本語</SelectItem>
-              </SelectContent>
-            </Select>
+          <div className="flex justify-between items-center mb-6">
+            <ThemeToggle />
+            <LanguageSelector />
          </div>
          <img
            src={langbotIcon.src}
--- a/web/src/app/reset-password/page.tsx
+++ b/web/src/app/reset-password/page.tsx
@@ -33,6 +33,7 @@ import { Mail, Lock, ArrowLeft } from 'lucide-react';
 import { toast } from 'sonner';
 import { useTranslation } from 'react-i18next';
 import Link from 'next/link';
+import { ThemeToggle } from '@/components/ui/theme-toggle';

 const REGEXP_ONLY_DIGITS_AND_CHARS = /^[0-9a-zA-Z]+$/;

@@ -84,17 +85,18 @@ export default function ResetPassword() {
  }

  return (
-    <div className="min-h-screen flex items-center justify-center bg-gray-50">
-      <Card className="w-[375px]">
+    <div className="min-h-screen flex items-center justify-center bg-gray-50 dark:bg-neutral-900">
+      <Card className="w-[375px] shadow-lg dark:shadow-white/10">
        <CardHeader>
          <div className="flex justify-between items-center mb-6">
            <Link
              href="/login"
-              className="flex items-center text-sm text-gray-600 hover:text-gray-900 transition-colors"
+              className="flex items-center text-sm text-gray-600 hover:text-gray-900 dark:text-gray-400 dark:hover:text-gray-100 transition-colors"
            >
              <ArrowLeft className="h-4 w-4 mr-1" />
              {t('resetPassword.backToLogin')}
            </Link>
+            <ThemeToggle />
          </div>
          <CardTitle className="text-2xl text-center">
            {t('resetPassword.title')}
--- a/web/src/components/providers/theme-provider.tsx
+++ b/web/src/components/providers/theme-provider.tsx
@@ -0,0 +1,18 @@
+'use client';
+
+import { ThemeProvider as NextThemesProvider } from 'next-themes';
+import { type ThemeProviderProps } from 'next-themes';
+
+export function ThemeProvider({ children, ...props }: ThemeProviderProps) {
+  return (
+    <NextThemesProvider
+      attribute="class"
+      defaultTheme="system"
+      enableSystem
+      disableTransitionOnChange
+      {...props}
+    >
+      {children}
+    </NextThemesProvider>
+  );
+}
--- a/web/src/components/ui/button.tsx
+++ b/web/src/components/ui/button.tsx
@@ -18,7 +18,7 @@ const buttonVariants = cva(
        secondary:
          'bg-secondary text-secondary-foreground shadow-xs hover:bg-secondary/80',
        ghost:
-          'hover:bg-accent hover:text-accent-foreground dark:hover:bg-accent/50',
+          'hover:bg-accent hover:text-accent-foreground dark:hover:bg-accent/100',
        link: 'text-primary underline-offset-4 hover:underline',
      },
      size: {
--- a/web/src/components/ui/context-menu.tsx
+++ b/web/src/components/ui/context-menu.tsx
@@ -0,0 +1,252 @@
+'use client';
+
+import * as React from 'react';
+import * as ContextMenuPrimitive from '@radix-ui/react-context-menu';
+import { CheckIcon, ChevronRightIcon, CircleIcon } from 'lucide-react';
+
+import { cn } from '@/lib/utils';
+
+function ContextMenu({
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.Root>) {
+  return <ContextMenuPrimitive.Root data-slot="context-menu" {...props} />;
+}
+
+function ContextMenuTrigger({
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.Trigger>) {
+  return (
+    <ContextMenuPrimitive.Trigger data-slot="context-menu-trigger" {...props} />
+  );
+}
+
+function ContextMenuGroup({
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.Group>) {
+  return (
+    <ContextMenuPrimitive.Group data-slot="context-menu-group" {...props} />
+  );
+}
+
+function ContextMenuPortal({
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.Portal>) {
+  return (
+    <ContextMenuPrimitive.Portal data-slot="context-menu-portal" {...props} />
+  );
+}
+
+function ContextMenuSub({
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.Sub>) {
+  return <ContextMenuPrimitive.Sub data-slot="context-menu-sub" {...props} />;
+}
+
+function ContextMenuRadioGroup({
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.RadioGroup>) {
+  return (
+    <ContextMenuPrimitive.RadioGroup
+      data-slot="context-menu-radio-group"
+      {...props}
+    />
+  );
+}
+
+function ContextMenuSubTrigger({
+  className,
+  inset,
+  children,
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.SubTrigger> & {
+  inset?: boolean;
+}) {
+  return (
+    <ContextMenuPrimitive.SubTrigger
+      data-slot="context-menu-sub-trigger"
+      data-inset={inset}
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground data-[state=open]:bg-accent data-[state=open]:text-accent-foreground flex cursor-default items-center rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className,
+      )}
+      {...props}
+    >
+      {children}
+      <ChevronRightIcon className="ml-auto" />
+    </ContextMenuPrimitive.SubTrigger>
+  );
+}
+
+function ContextMenuSubContent({
+  className,
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.SubContent>) {
+  return (
+    <ContextMenuPrimitive.SubContent
+      data-slot="context-menu-sub-content"
+      className={cn(
+        'bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 min-w-[8rem] origin-(--radix-context-menu-content-transform-origin) overflow-hidden rounded-md border p-1 shadow-lg',
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function ContextMenuContent({
+  className,
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.Content>) {
+  return (
+    <ContextMenuPrimitive.Portal>
+      <ContextMenuPrimitive.Content
+        data-slot="context-menu-content"
+        className={cn(
+          'bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 max-h-(--radix-context-menu-content-available-height) min-w-[8rem] origin-(--radix-context-menu-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border p-1 shadow-md',
+          className,
+        )}
+        {...props}
+      />
+    </ContextMenuPrimitive.Portal>
+  );
+}
+
+function ContextMenuItem({
+  className,
+  inset,
+  variant = 'default',
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.Item> & {
+  inset?: boolean;
+  variant?: 'default' | 'destructive';
+}) {
+  return (
+    <ContextMenuPrimitive.Item
+      data-slot="context-menu-item"
+      data-inset={inset}
+      data-variant={variant}
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground data-[variant=destructive]:text-destructive data-[variant=destructive]:focus:bg-destructive/10 dark:data-[variant=destructive]:focus:bg-destructive/20 data-[variant=destructive]:focus:text-destructive data-[variant=destructive]:*:[svg]:!text-destructive [&_svg:not([class*='text-'])]:text-muted-foreground relative flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function ContextMenuCheckboxItem({
+  className,
+  children,
+  checked,
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.CheckboxItem>) {
+  return (
+    <ContextMenuPrimitive.CheckboxItem
+      data-slot="context-menu-checkbox-item"
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground relative flex cursor-default items-center gap-2 rounded-sm py-1.5 pr-2 pl-8 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className,
+      )}
+      checked={checked}
+      {...props}
+    >
+      <span className="pointer-events-none absolute left-2 flex size-3.5 items-center justify-center">
+        <ContextMenuPrimitive.ItemIndicator>
+          <CheckIcon className="size-4" />
+        </ContextMenuPrimitive.ItemIndicator>
+      </span>
+      {children}
+    </ContextMenuPrimitive.CheckboxItem>
+  );
+}
+
+function ContextMenuRadioItem({
+  className,
+  children,
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.RadioItem>) {
+  return (
+    <ContextMenuPrimitive.RadioItem
+      data-slot="context-menu-radio-item"
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground relative flex cursor-default items-center gap-2 rounded-sm py-1.5 pr-2 pl-8 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className,
+      )}
+      {...props}
+    >
+      <span className="pointer-events-none absolute left-2 flex size-3.5 items-center justify-center">
+        <ContextMenuPrimitive.ItemIndicator>
+          <CircleIcon className="size-2 fill-current" />
+        </ContextMenuPrimitive.ItemIndicator>
+      </span>
+      {children}
+    </ContextMenuPrimitive.RadioItem>
+  );
+}
+
+function ContextMenuLabel({
+  className,
+  inset,
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.Label> & {
+  inset?: boolean;
+}) {
+  return (
+    <ContextMenuPrimitive.Label
+      data-slot="context-menu-label"
+      data-inset={inset}
+      className={cn(
+        'text-foreground px-2 py-1.5 text-sm font-medium data-[inset]:pl-8',
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+function ContextMenuSeparator({
+  className,
+  ...props
+}: React.ComponentProps<typeof ContextMenuPrimitive.Separator>) {
+  return (
+    <ContextMenuPrimitive.Separator
+      data-slot="context-menu-separator"
+      className={cn('bg-border -mx-1 my-1 h-px', className)}
+      {...props}
+    />
+  );
+}
+
+function ContextMenuShortcut({
+  className,
+  ...props
+}: React.ComponentProps<'span'>) {
+  return (
+    <span
+      data-slot="context-menu-shortcut"
+      className={cn(
+        'text-muted-foreground ml-auto text-xs tracking-widest',
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+export {
+  ContextMenu,
+  ContextMenuTrigger,
+  ContextMenuContent,
+  ContextMenuItem,
+  ContextMenuCheckboxItem,
+  ContextMenuRadioItem,
+  ContextMenuLabel,
+  ContextMenuSeparator,
+  ContextMenuShortcut,
+  ContextMenuGroup,
+  ContextMenuPortal,
+  ContextMenuSub,
+  ContextMenuSubContent,
+  ContextMenuSubTrigger,
+  ContextMenuRadioGroup,
+};
--- a/web/src/components/ui/language-selector.tsx
+++ b/web/src/components/ui/language-selector.tsx
@@ -0,0 +1,98 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from '@/components/ui/select';
+import { Globe } from 'lucide-react';
+import { useTranslation } from 'react-i18next';
+import i18n from '@/i18n';
+
+interface LanguageSelectorProps {
+  className?: string;
+  triggerClassName?: string;
+  onOpenChange?: (open: boolean) => void;
+}
+
+export function LanguageSelector({
+  triggerClassName,
+  onOpenChange,
+}: LanguageSelectorProps) {
+  const { t } = useTranslation();
+  const [currentLanguage, setCurrentLanguage] = useState<string>(i18n.language);
+
+  useEffect(() => {
+    initializeLanguage();
+  }, []);
+
+  const initializeLanguage = () => {
+    if (i18n.language === 'zh-CN' || i18n.language === 'zh-Hans') {
+      setCurrentLanguage('zh-Hans');
+      localStorage.setItem('langbot_language', 'zh-Hans');
+    } else if (i18n.language === 'zh-TW' || i18n.language === 'zh-Hant') {
+      setCurrentLanguage('zh-Hant');
+      localStorage.setItem('langbot_language', 'zh-Hant');
+    } else if (i18n.language === 'ja' || i18n.language === 'ja-JP') {
+      setCurrentLanguage('ja-JP');
+      localStorage.setItem('langbot_language', 'ja-JP');
+    } else {
+      setCurrentLanguage('en-US');
+      localStorage.setItem('langbot_language', 'en-US');
+    }
+
+    const savedLanguage = localStorage.getItem('langbot_language');
+    if (savedLanguage) {
+      i18n.changeLanguage(savedLanguage);
+      setCurrentLanguage(savedLanguage);
+    } else {
+      const browserLanguage = navigator.language;
+      if (browserLanguage) {
+        let detectedLanguage = 'zh-Hans';
+        if (browserLanguage === 'zh-CN') {
+          detectedLanguage = 'zh-Hans';
+        } else if (browserLanguage === 'zh-TW') {
+          detectedLanguage = 'zh-Hant';
+        } else if (browserLanguage === 'ja' || browserLanguage === 'ja-JP') {
+          detectedLanguage = 'ja-JP';
+        } else {
+          detectedLanguage = 'en-US';
+        }
+        i18n.changeLanguage(detectedLanguage);
+        setCurrentLanguage(detectedLanguage);
+        localStorage.setItem('langbot_language', detectedLanguage);
+      }
+    }
+  };
+
+  const handleLanguageChange = (value: string) => {
+    i18n.changeLanguage(value);
+    setCurrentLanguage(value);
+    localStorage.setItem('langbot_language', value);
+
+    // 刷新页面以应用新的语言设置
+    window.location.reload();
+  };
+
+  return (
+    <Select
+      value={currentLanguage}
+      onValueChange={handleLanguageChange}
+      onOpenChange={onOpenChange}
+    >
+      <SelectTrigger className={triggerClassName || 'w-[140px]'}>
+        <Globe className="h-4 w-4 mr-2" />
+        <SelectValue placeholder={t('common.language')} />
+      </SelectTrigger>
+      <SelectContent>
+        <SelectItem value="zh-Hans">简体中文</SelectItem>
+        <SelectItem value="zh-Hant">繁體中文</SelectItem>
+        <SelectItem value="en-US">English</SelectItem>
+        <SelectItem value="ja-JP">日本語</SelectItem>
+      </SelectContent>
+    </Select>
+  );
+}
--- a/web/src/components/ui/pagination.tsx
+++ b/web/src/components/ui/pagination.tsx
@@ -76,7 +76,7 @@ function PaginationPrevious({
      className={cn('gap-1 px-2.5 sm:pl-2.5', className)}
      {...props}
    >
-      <ChevronLeftIcon className="text-black" />
+      <ChevronLeftIcon className="text-black dark:text-white" />
      <span className="hidden sm:block"></span>
    </PaginationLink>
  );
@@ -94,7 +94,7 @@ function PaginationNext({
      {...props}
    >
      <span className="hidden sm:block"></span>
-      <ChevronRightIcon className="text-black" />
+      <ChevronRightIcon className="text-black dark:text-white" />
    </PaginationLink>
  );
 }
--- a/web/src/components/ui/textarea.tsx
+++ b/web/src/components/ui/textarea.tsx
@@ -0,0 +1,18 @@
+import * as React from 'react';
+
+import { cn } from '@/lib/utils';
+
+function Textarea({ className, ...props }: React.ComponentProps<'textarea'>) {
+  return (
+    <textarea
+      data-slot="textarea"
+      className={cn(
+        'border-input placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive dark:bg-input/30 flex field-sizing-content min-h-16 w-full rounded-md border bg-transparent px-3 py-2 text-base shadow-xs transition-[color,box-shadow] outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 md:text-sm',
+        className,
+      )}
+      {...props}
+    />
+  );
+}
+
+export { Textarea };
--- a/web/src/components/ui/theme-toggle.tsx
+++ b/web/src/components/ui/theme-toggle.tsx
@@ -0,0 +1,23 @@
+'use client';
+
+import * as React from 'react';
+import { Moon, Sun } from 'lucide-react';
+import { useTheme } from 'next-themes';
+
+import { Button } from '@/components/ui/button';
+
+export function ThemeToggle() {
+  const { theme, setTheme } = useTheme();
+
+  return (
+    <Button
+      variant="outline"
+      size="icon"
+      onClick={() => setTheme(theme === 'light' ? 'dark' : 'light')}
+      className="h-9 w-9"
+    >
+      <Sun className="h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
+      <Moon className="absolute h-[1.2rem] w-[1.2rem] rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
+    </Button>
+  );
+}
--- a/web/src/i18n/locales/en-US.ts
+++ b/web/src/i18n/locales/en-US.ts
@@ -2,6 +2,8 @@ const enUS = {
  common: {
    login: 'Login',
    logout: 'Logout',
+    accountOptions: 'Account',
+    account: 'Account',
    email: 'Email',
    password: 'Password',
    welcome: 'Welcome back to LangBot 👋',
@@ -41,6 +43,21 @@ const enUS = {
    test: 'Test',
    forgotPassword: 'Forgot Password?',
    loading: 'Loading...',
+    theme: 'Theme',
+    changePassword: 'Change Password',
+    currentPassword: 'Current Password',
+    newPassword: 'New Password',
+    confirmNewPassword: 'Confirm New Password',
+    enterCurrentPassword: 'Enter current password',
+    enterNewPassword: 'Enter new password',
+    enterConfirmPassword: 'Confirm new password',
+    currentPasswordRequired: 'Current password is required',
+    newPasswordRequired: 'New password is required',
+    confirmPasswordRequired: 'Confirm password is required',
+    passwordsDoNotMatch: 'Passwords do not match',
+    changePasswordSuccess: 'Password changed successfully',
+    changePasswordFailed:
+      'Failed to change password, please check your current password',
  },
  notFound: {
    title: 'Page not found',
@@ -253,6 +270,11 @@ const enUS = {
    today: 'Today',
    kbName: 'Knowledge Base Name',
    kbDescription: 'Knowledge Base Description',
+    topK: 'Top K',
+    topKRequired: 'Top K cannot be empty',
+    topKMax: 'Top K maximum value is 30',
+    topKdescription:
+      'Used to specify the number of relevant documents to retrieve, ranging from 1 to 30.',
    defaultDescription: 'A knowledge base',
    embeddingModelUUID: 'Embedding Model',
    selectEmbeddingModel: 'Select Embedding Model',
--- a/web/src/i18n/locales/ja-JP.ts
+++ b/web/src/i18n/locales/ja-JP.ts
@@ -2,6 +2,8 @@ const jaJP = {
  common: {
    login: 'ログイン',
    logout: 'ログアウト',
+    accountOptions: 'アカウントオプション',
+    account: 'アカウント',
    email: 'メールアドレス',
    password: 'パスワード',
    welcome: 'LangBot へおかえりなさい 👋',
@@ -42,6 +44,21 @@ const jaJP = {
    test: 'テスト',
    forgotPassword: 'パスワードを忘れた？',
    loading: '読み込み中...',
+    theme: 'テーマ',
+    changePassword: 'パスワードを変更',
+    currentPassword: '現在のパスワード',
+    newPassword: '新しいパスワード',
+    confirmNewPassword: '新しいパスワードを確認',
+    enterCurrentPassword: '現在のパスワードを入力',
+    enterNewPassword: '新しいパスワードを入力',
+    enterConfirmPassword: '新しいパスワードを確認',
+    currentPasswordRequired: '現在のパスワードは必須です',
+    newPasswordRequired: '新しいパスワードは必須です',
+    confirmPasswordRequired: '新しいパスワードを確認してください',
+    passwordsDoNotMatch: '新しいパスワードが一致しません',
+    changePasswordSuccess: 'パスワードの変更に成功しました',
+    changePasswordFailed:
+      'パスワードの変更に失敗しました。現在のパスワードを確認してください',
  },
  notFound: {
    title: 'ページが見つかりません',
@@ -255,6 +272,11 @@ const jaJP = {
    today: '今日',
    kbName: '知識ベース名',
    kbDescription: '知識ベースの説明',
+    topK: 'Top K',
+    topKRequired: 'Top Kは必須です',
+    topKMax: 'Top Kの最大値は30です',
+    topKdescription:
+      '取得する関連性の高い上位K件の文書の数。1～30の範囲で設定できます',
    defaultDescription: '知識ベース',
    embeddingModelUUID: '埋め込みモデル',
    selectEmbeddingModel: '埋め込みモデルを選択',
--- a/web/src/i18n/locales/zh-Hans.ts
+++ b/web/src/i18n/locales/zh-Hans.ts
@@ -2,6 +2,8 @@ const zhHans = {
  common: {
    login: '登录',
    logout: '退出登录',
+    accountOptions: '账户选项',
+    account: '账户',
    email: '邮箱',
    password: '密码',
    welcome: '欢迎回到 LangBot 👋',
@@ -41,6 +43,20 @@ const zhHans = {
    test: '测试',
    forgotPassword: '忘记密码？',
    loading: '加载中...',
+    theme: '主题',
+    changePassword: '修改密码',
+    currentPassword: '当前密码',
+    newPassword: '新密码',
+    confirmNewPassword: '确认新密码',
+    enterCurrentPassword: '输入当前密码',
+    enterNewPassword: '输入新密码',
+    enterConfirmPassword: '确认新密码',
+    currentPasswordRequired: '当前密码不能为空',
+    newPasswordRequired: '新密码不能为空',
+    confirmPasswordRequired: '确认密码不能为空',
+    passwordsDoNotMatch: '两次输入的密码不一致',
+    changePasswordSuccess: '密码修改成功',
+    changePasswordFailed: '密码修改失败，请检查当前密码是否正确',
  },
  notFound: {
    title: '页面不存在',
@@ -248,6 +264,10 @@ const zhHans = {
    today: '今天',
    kbName: '知识库名称',
    kbDescription: '知识库描述',
+    topK: '召回数量',
+    topKRequired: '召回数量不能为空',
+    topKMax: '召回数量最大值为 30',
+    topKdescription: '召回相关文档块的数量，取值范围为 1-30',
    defaultDescription: '一个知识库',
    embeddingModelUUID: '嵌入模型',
    selectEmbeddingModel: '选择嵌入模型',
--- a/web/src/i18n/locales/zh-Hant.ts
+++ b/web/src/i18n/locales/zh-Hant.ts
@@ -2,6 +2,8 @@ const zhHant = {
  common: {
    login: '登入',
    logout: '登出',
+    accountOptions: '帳戶選項',
+    account: '帳戶',
    email: '電子郵件',
    password: '密碼',
    welcome: '歡迎回到 LangBot 👋',
@@ -41,6 +43,20 @@ const zhHant = {
    test: '測試',
    forgotPassword: '忘記密碼？',
    loading: '載入中...',
+    theme: '主題',
+    changePassword: '修改密碼',
+    currentPassword: '當前密碼',
+    newPassword: '新密碼',
+    confirmNewPassword: '確認新密碼',
+    enterCurrentPassword: '輸入當前密碼',
+    enterNewPassword: '輸入新密碼',
+    enterConfirmPassword: '確認新密碼',
+    currentPasswordRequired: '當前密碼不能為空',
+    newPasswordRequired: '新密碼不能為空',
+    confirmPasswordRequired: '確認密碼不能為空',
+    passwordsDoNotMatch: '兩次輸入的密碼不一致',
+    changePasswordSuccess: '密碼修改成功',
+    changePasswordFailed: '密碼修改失敗，請檢查當前密碼是否正確',
  },
  notFound: {
    title: '頁面不存在',
@@ -236,10 +252,10 @@ const zhHant = {
    editKnowledgeBase: '編輯知識庫',
    selectKnowledgeBase: '選擇知識庫',
    empty: '無',
-    editDocument: '文件',
+    editDocument: '文檔',
    description: '設定可用於提升模型回覆品質的知識庫',
    metadata: '中繼資料',
-    documents: '文件',
+    documents: '文檔',
    kbNameRequired: '知識庫名稱不能為空',
    kbDescriptionRequired: '知識庫描述不能為空',
    embeddingModelUUIDRequired: '嵌入模型不能為空',
@@ -247,6 +263,10 @@ const zhHant = {
    today: '今天',
    kbName: '知識庫名稱',
    kbDescription: '知識庫描述',
+    topK: '召回數量 ',
+    topKRequired: '召回數量不能為空',
+    topKMax: '召回數量最大值為30',
+    topKdescription: '取得相關性高的上位 K 件文獻的數量，範圍為1～30',
    defaultDescription: '一個知識庫',
    embeddingModelUUID: '嵌入模型',
    selectEmbeddingModel: '選擇嵌入模型',
@@ -259,29 +279,29 @@ const zhHant = {
      name: '名稱',
      status: '狀態',
      noResults: '暫無文件',
-      dragAndDrop: '拖曳檔案到此處或點擊上傳',
+      dragAndDrop: '拖曳文檔到此處或點擊上傳',
      uploading: '上傳中...',
-      supportedFormats: '支援 PDF、Word、TXT、Markdown 等文件格式',
-      uploadSuccess: '檔案上傳成功！',
-      uploadError: '檔案上傳失敗，請重試',
-      uploadingFile: '上傳檔案中...',
+      supportedFormats: '支援 PDF、Word、TXT、Markdown 等文檔格式',
+      uploadSuccess: '文檔上傳成功！',
+      uploadError: '文檔上傳失敗，請重試',
+      uploadingFile: '上傳文檔中...',
      actions: '操作',
-      delete: '刪除檔案',
-      fileDeleteSuccess: '檔案刪除成功',
-      fileDeleteFailed: '檔案刪除失敗',
+      delete: '刪除文檔',
+      fileDeleteSuccess: '文檔刪除成功',
+      fileDeleteFailed: '文檔刪除失敗',
      processing: '處理中',
      completed: '完成',
      failed: '失敗',
    },
    deleteKnowledgeBaseConfirmation:
-      '您確定要刪除這個知識庫嗎？此知識庫下的所有文件將被刪除。',
+      '您確定要刪除這個知識庫嗎？此知識庫下的所有文檔將被刪除。',
    retrieve: '檢索測試',
    retrieveTest: '檢索測試',
    query: '查詢',
    queryPlaceholder: '輸入查詢內容...',
    distance: '距離',
    content: '內容',
-    fileName: '檔案名稱',
+    fileName: '文檔名稱',
    noResults: '暫無結果',
    retrieveError: '檢索失敗',
  },