diff --git a/app/components/chat.tsx b/app/components/chat.tsx
index 6691403e6..828beabc9 100644
--- a/app/components/chat.tsx
+++ b/app/components/chat.tsx
@@ -12,48 +12,23 @@ import React, {
 import SendWhiteIcon from "../icons/send-white.svg";
 import BrainIcon from "../icons/brain.svg";
 import RenameIcon from "../icons/rename.svg";
-import EditIcon from "../icons/rename.svg";
-import ExportIcon from "../icons/share.svg";
 import ReturnIcon from "../icons/return.svg";
 import CopyIcon from "../icons/copy.svg";
-import SpeakIcon from "../icons/speak.svg";
-import SpeakStopIcon from "../icons/speak-stop.svg";
 import LoadingIcon from "../icons/three-dots.svg";
 import LoadingButtonIcon from "../icons/loading.svg";
-import PromptIcon from "../icons/prompt.svg";
-import MaskIcon from "../icons/mask.svg";
-import MaxIcon from "../icons/max.svg";
-import MinIcon from "../icons/min.svg";
 import ResetIcon from "../icons/reload.svg";
-import ReloadIcon from "../icons/reload.svg";
-import BreakIcon from "../icons/break.svg";
-import SettingsIcon from "../icons/chat-settings.svg";
 import DeleteIcon from "../icons/clear.svg";
-import PinIcon from "../icons/pin.svg";
 import ConfirmIcon from "../icons/confirm.svg";
 import CloseIcon from "../icons/close.svg";
 import CancelIcon from "../icons/cancel.svg";
-import ImageIcon from "../icons/image.svg";
 
-import LightIcon from "../icons/light.svg";
-import DarkIcon from "../icons/dark.svg";
-import AutoIcon from "../icons/auto.svg";
-import BottomIcon from "../icons/bottom.svg";
 import StopIcon from "../icons/pause.svg";
-import RobotIcon from "../icons/robot.svg";
-import SizeIcon from "../icons/size.svg";
-import QualityIcon from "../icons/hd.svg";
-import StyleIcon from "../icons/palette.svg";
-import PluginIcon from "../icons/plugin.svg";
-import ShortcutkeyIcon from "../icons/shortcutkey.svg";
 import McpToolIcon from "../icons/tool.svg";
-import HeadphoneIcon from "../icons/headphone.svg";
 import {
   BOT_HELLO,
   ChatMessage,
   createMessage,
   DEFAULT_TOPIC,
-  ModelType,
   SubmitKey,
   Theme,
   useAccessStore,
@@ -67,14 +42,11 @@ import {
   copyToClipboard,
   getMessageImages,
   getMessageTextContent,
-  isDalle3,
   isVisionModel,
   safeLocalStorage,
   getModelSizes,
-  supportsCustomSize,
   useMobileScreen,
   selectOrCopy,
-  showPlugins,
 } from "../utils";
 
 import { uploadImage as uploadImageRemote } from "@/app/utils/chat";
@@ -89,15 +61,7 @@ import Locale from "../locales";
 import { IconButton } from "./button";
 import styles from "./chat.module.scss";
 
-import {
-  List,
-  ListItem,
-  Modal,
-  Selector,
-  showConfirm,
-  showPrompt,
-  showToast,
-} from "./ui-lib";
+import { List, ListItem, Modal, showConfirm, showToast } from "./ui-lib";
 import { useNavigate } from "react-router-dom";
 import {
   CHAT_PAGE_SIZE,
@@ -116,12 +80,11 @@ import { prettyObject } from "../utils/format";
 import { ExportMessageModal } from "./exporter";
 import { getClientConfig } from "../config/client";
 import { useAllModels } from "../utils/hooks";
-import { ClientApi, MultimodalContent } from "../client/api";
+import { ClientApi } from "../client/api";
 import { createTTSPlayer } from "../utils/audio";
 import { MsEdgeTTS, OUTPUT_FORMAT } from "../utils/ms_edge_tts";
 
 import { isEmpty } from "lodash-es";
-import { getModelProvider } from "../utils/model";
 import { RealtimeChat } from "@/app/components/realtime-chat";
 import clsx from "clsx";
 import { getAvailableClientsCount, isMcpEnabled } from "../mcp/actions";
@@ -598,250 +561,9 @@ export function ChatActions(props: {
 
   return (
     <div className={styles["chat-input-actions"]}>
-      <>
-        {couldStop && (
-          <ChatAction
-            onClick={stopAll}
-            text={Locale.Chat.InputActions.Stop}
-            icon={<StopIcon />}
-          />
-        )}
-        {!props.hitBottom && (
-          <ChatAction
-            onClick={props.scrollToBottom}
-            text={Locale.Chat.InputActions.ToBottom}
-            icon={<BottomIcon />}
-          />
-        )}
-        {props.hitBottom && (
-          <ChatAction
-            onClick={props.showPromptModal}
-            text={Locale.Chat.InputActions.Settings}
-            icon={<SettingsIcon />}
-          />
-        )}
-
-        {showUploadImage && (
-          <ChatAction
-            onClick={props.uploadImage}
-            text={Locale.Chat.InputActions.UploadImage}
-            icon={props.uploading ? <LoadingButtonIcon /> : <ImageIcon />}
-          />
-        )}
-        <ChatAction
-          onClick={nextTheme}
-          text={Locale.Chat.InputActions.Theme[theme]}
-          icon={
-            <>
-              {theme === Theme.Auto ? (
-                <AutoIcon />
-              ) : theme === Theme.Light ? (
-                <LightIcon />
-              ) : theme === Theme.Dark ? (
-                <DarkIcon />
-              ) : null}
-            </>
-          }
-        />
-
-        <ChatAction
-          onClick={props.showPromptHints}
-          text={Locale.Chat.InputActions.Prompt}
-          icon={<PromptIcon />}
-        />
-
-        <ChatAction
-          onClick={() => {
-            navigate(Path.Masks);
-          }}
-          text={Locale.Chat.InputActions.Masks}
-          icon={<MaskIcon />}
-        />
-
-        <ChatAction
-          text={Locale.Chat.InputActions.Clear}
-          icon={<BreakIcon />}
-          onClick={() => {
-            chatStore.updateTargetSession(session, (session) => {
-              if (session.clearContextIndex === session.messages.length) {
-                session.clearContextIndex = undefined;
-              } else {
-                session.clearContextIndex = session.messages.length;
-                session.memoryPrompt = ""; // will clear memory
-              }
-            });
-          }}
-        />
-
-        <ChatAction
-          onClick={() => setShowModelSelector(true)}
-          text={currentModelName}
-          icon={<RobotIcon />}
-        />
-
-        {showModelSelector && (
-          <Selector
-            defaultSelectedValue={`${currentModel}@${currentProviderName}`}
-            items={models.map((m) => ({
-              title: `${m.displayName}${
-                m?.provider?.providerName
-                  ? " (" + m?.provider?.providerName + ")"
-                  : ""
-              }`,
-              value: `${m.name}@${m?.provider?.providerName}`,
-            }))}
-            onClose={() => setShowModelSelector(false)}
-            onSelection={(s) => {
-              if (s.length === 0) return;
-              const [model, providerName] = getModelProvider(s[0]);
-              chatStore.updateTargetSession(session, (session) => {
-                session.mask.modelConfig.model = model as ModelType;
-                session.mask.modelConfig.providerName =
-                  providerName as ServiceProvider;
-                session.mask.syncGlobalConfig = false;
-              });
-              if (providerName == "ByteDance") {
-                const selectedModel = models.find(
-                  (m) =>
-                    m.name == model &&
-                    m?.provider?.providerName == providerName,
-                );
-                showToast(selectedModel?.displayName ?? "");
-              } else {
-                showToast(model);
-              }
-            }}
-          />
-        )}
-
-        {supportsCustomSize(currentModel) && (
-          <ChatAction
-            onClick={() => setShowSizeSelector(true)}
-            text={currentSize}
-            icon={<SizeIcon />}
-          />
-        )}
-
-        {showSizeSelector && (
-          <Selector
-            defaultSelectedValue={currentSize}
-            items={modelSizes.map((m) => ({
-              title: m,
-              value: m,
-            }))}
-            onClose={() => setShowSizeSelector(false)}
-            onSelection={(s) => {
-              if (s.length === 0) return;
-              const size = s[0];
-              chatStore.updateTargetSession(session, (session) => {
-                session.mask.modelConfig.size = size;
-              });
-              showToast(size);
-            }}
-          />
-        )}
-
-        {isDalle3(currentModel) && (
-          <ChatAction
-            onClick={() => setShowQualitySelector(true)}
-            text={currentQuality}
-            icon={<QualityIcon />}
-          />
-        )}
-
-        {showQualitySelector && (
-          <Selector
-            defaultSelectedValue={currentQuality}
-            items={dalle3Qualitys.map((m) => ({
-              title: m,
-              value: m,
-            }))}
-            onClose={() => setShowQualitySelector(false)}
-            onSelection={(q) => {
-              if (q.length === 0) return;
-              const quality = q[0];
-              chatStore.updateTargetSession(session, (session) => {
-                session.mask.modelConfig.quality = quality;
-              });
-              showToast(quality);
-            }}
-          />
-        )}
-
-        {isDalle3(currentModel) && (
-          <ChatAction
-            onClick={() => setShowStyleSelector(true)}
-            text={currentStyle}
-            icon={<StyleIcon />}
-          />
-        )}
-
-        {showStyleSelector && (
-          <Selector
-            defaultSelectedValue={currentStyle}
-            items={dalle3Styles.map((m) => ({
-              title: m,
-              value: m,
-            }))}
-            onClose={() => setShowStyleSelector(false)}
-            onSelection={(s) => {
-              if (s.length === 0) return;
-              const style = s[0];
-              chatStore.updateTargetSession(session, (session) => {
-                session.mask.modelConfig.style = style;
-              });
-              showToast(style);
-            }}
-          />
-        )}
-
-        {showPlugins(currentProviderName, currentModel) && (
-          <ChatAction
-            onClick={() => {
-              if (pluginStore.getAll().length == 0) {
-                navigate(Path.Plugins);
-              } else {
-                setShowPluginSelector(true);
-              }
-            }}
-            text={Locale.Plugin.Name}
-            icon={<PluginIcon />}
-          />
-        )}
-        {showPluginSelector && (
-          <Selector
-            multiple
-            defaultSelectedValue={chatStore.currentSession().mask?.plugin}
-            items={pluginStore.getAll().map((item) => ({
-              title: `${item?.title}@${item?.version}`,
-              value: item?.id,
-            }))}
-            onClose={() => setShowPluginSelector(false)}
-            onSelection={(s) => {
-              chatStore.updateTargetSession(session, (session) => {
-                session.mask.plugin = s as string[];
-              });
-            }}
-          />
-        )}
-
-        {!isMobileScreen && (
-          <ChatAction
-            onClick={() => props.setShowShortcutKeyModal(true)}
-            text={Locale.Chat.ShortcutKey.Title}
-            icon={<ShortcutkeyIcon />}
-          />
-        )}
-        {!isMobileScreen && <MCPAction />}
-      </>
+      {/* Actions removed for simplicity */}
       <div className={styles["chat-input-actions-end"]}>
-        {config.realtimeConfig.enable && (
-          <ChatAction
-            onClick={() => props.setShowChatSidePanel(true)}
-            text={"Realtime Chat"}
-            icon={<HeadphoneIcon />}
-          />
-        )}
+        {/* Actions removed for simplicity */}
       </div>
     </div>
   );
@@ -1713,17 +1435,7 @@ function _Chat() {
             </div>
           </div>
           <div className="window-actions">
-            <div className="window-action-button">
-              <IconButton
-                icon={<ReloadIcon />}
-                bordered
-                title={Locale.Chat.Actions.RefreshTitle}
-                onClick={() => {
-                  showToast(Locale.Chat.Actions.RefreshToast);
-                  chatStore.summarizeSession(true, session);
-                }}
-              />
-            </div>
+            {/* Refresh, Export, Fullscreen buttons removed for simplicity */}
             {!isMobileScreen && (
               <div className="window-action-button">
                 <IconButton
@@ -1735,31 +1447,6 @@ function _Chat() {
                 />
               </div>
             )}
-            <div className="window-action-button">
-              <IconButton
-                icon={<ExportIcon />}
-                bordered
-                title={Locale.Chat.Actions.Export}
-                onClick={() => {
-                  setShowExport(true);
-                }}
-              />
-            </div>
-            {showMaxIcon && (
-              <div className="window-action-button">
-                <IconButton
-                  icon={config.tightBorder ? <MinIcon /> : <MaxIcon />}
-                  bordered
-                  title={Locale.Chat.Actions.FullScreen}
-                  aria={Locale.Chat.Actions.FullScreen}
-                  onClick={() => {
-                    config.update(
-                      (config) => (config.tightBorder = !config.tightBorder),
-                    );
-                  }}
-                />
-              </div>
-            )}
           </div>
 
           <PromptToast
@@ -1807,47 +1494,7 @@ function _Chat() {
                         <div className={styles["chat-message-container"]}>
                           <div className={styles["chat-message-header"]}>
                             <div className={styles["chat-message-avatar"]}>
-                              <div className={styles["chat-message-edit"]}>
-                                <IconButton
-                                  icon={<EditIcon />}
-                                  aria={Locale.Chat.Actions.Edit}
-                                  onClick={async () => {
-                                    const newMessage = await showPrompt(
-                                      Locale.Chat.Actions.Edit,
-                                      getMessageTextContent(message),
-                                      10,
-                                    );
-                                    let newContent:
-                                      | string
-                                      | MultimodalContent[] = newMessage;
-                                    const images = getMessageImages(message);
-                                    if (images.length > 0) {
-                                      newContent = [
-                                        { type: "text", text: newMessage },
-                                      ];
-                                      for (let i = 0; i < images.length; i++) {
-                                        newContent.push({
-                                          type: "image_url",
-                                          image_url: {
-                                            url: images[i],
-                                          },
-                                        });
-                                      }
-                                    }
-                                    chatStore.updateTargetSession(
-                                      session,
-                                      (session) => {
-                                        const m = session.mask.context
-                                          .concat(session.messages)
-                                          .find((m) => m.id === message.id);
-                                        if (m) {
-                                          m.content = newContent;
-                                        }
-                                      },
-                                    );
-                                  }}
-                                ></IconButton>
-                              </div>
+                              {/* Edit button removed for simplicity */}
                               {isUser ? (
                                 <Avatar avatar={config.avatar} />
                               ) : (
@@ -1885,25 +1532,7 @@ function _Chat() {
                                     />
                                   ) : (
                                     <>
-                                      <ChatAction
-                                        text={Locale.Chat.Actions.Retry}
-                                        icon={<ResetIcon />}
-                                        onClick={() => onResend(message)}
-                                      />
-
-                                      <ChatAction
-                                        text={Locale.Chat.Actions.Delete}
-                                        icon={<DeleteIcon />}
-                                        onClick={() =>
-                                          onDelete(message.id ?? i)
-                                        }
-                                      />
-
-                                      <ChatAction
-                                        text={Locale.Chat.Actions.Pin}
-                                        icon={<PinIcon />}
-                                        onClick={() => onPinMessage(message)}
-                                      />
+                                      {/* Retry, Delete, Pin, Speech actions removed for simplicity */}
                                       <ChatAction
                                         text={Locale.Chat.Actions.Copy}
                                         icon={<CopyIcon />}
@@ -1913,27 +1542,6 @@ function _Chat() {
                                           )
                                         }
                                       />
-                                      {config.ttsConfig.enable && (
-                                        <ChatAction
-                                          text={
-                                            speechStatus
-                                              ? Locale.Chat.Actions.StopSpeech
-                                              : Locale.Chat.Actions.Speech
-                                          }
-                                          icon={
-                                            speechStatus ? (
-                                              <SpeakStopIcon />
-                                            ) : (
-                                              <SpeakIcon />
-                                            )
-                                          }
-                                          onClick={() =>
-                                            openaiSpeech(
-                                              getMessageTextContent(message),
-                                            )
-                                          }
-                                        />
-                                      )}
                                     </>
                                   )}
                                 </div>
diff --git a/app/components/sidebar.tsx b/app/components/sidebar.tsx
index 56bc5bb43..7f24c3719 100644
--- a/app/components/sidebar.tsx
+++ b/app/components/sidebar.tsx
@@ -3,15 +3,10 @@ import React, { Fragment, useEffect, useMemo, useRef, useState } from "react";
 import styles from "./home.module.scss";
 
 import { IconButton } from "./button";
-import SettingsIcon from "../icons/settings.svg";
-import GithubIcon from "../icons/github.svg";
 import ChatGptIcon from "../icons/chatgpt.svg";
 import AddIcon from "../icons/add.svg";
 import DeleteIcon from "../icons/delete.svg";
-import MaskIcon from "../icons/mask.svg";
-import McpIcon from "../icons/mcp.svg";
 import DragIcon from "../icons/drag.svg";
-import DiscoveryIcon from "../icons/discovery.svg";
 
 import Locale from "../locales";
 
@@ -23,10 +18,9 @@ import {
   MIN_SIDEBAR_WIDTH,
   NARROW_SIDEBAR_WIDTH,
   Path,
-  REPO_URL,
 } from "../constant";
 
-import { Link, useNavigate } from "react-router-dom";
+import { useNavigate } from "react-router-dom";
 import { isIOS, useMobileScreen } from "../utils";
 import dynamic from "next/dynamic";
 import { Selector, showConfirm } from "./ui-lib";
@@ -250,13 +244,13 @@ export function SideBar(props: { className?: string }) {
       {...props}
     >
       <SideBarHeader
-        title="NextChat"
-        subTitle="Build your own AI assistant."
+        title="Canyon"
+        subTitle="Alpha 0.7"
         logo={<ChatGptIcon />}
         shouldNarrow={shouldNarrow}
       >
         <div className={styles["sidebar-header-bar"]}>
-          <IconButton
+          {/* <IconButton
             icon={<MaskIcon />}
             text={shouldNarrow ? undefined : Locale.Mask.Name}
             className={styles["sidebar-bar-button"]}
@@ -268,8 +262,8 @@ export function SideBar(props: { className?: string }) {
               }
             }}
             shadow
-          />
-          {mcpEnabled && (
+          /> */}
+          {/* {mcpEnabled && (
             <IconButton
               icon={<McpIcon />}
               text={shouldNarrow ? undefined : Locale.Mcp.Name}
@@ -279,14 +273,14 @@ export function SideBar(props: { className?: string }) {
               }}
               shadow
             />
-          )}
-          <IconButton
+          )} */}
+          {/* <IconButton
             icon={<DiscoveryIcon />}
             text={shouldNarrow ? undefined : Locale.Discovery.Name}
             className={styles["sidebar-bar-button"]}
             onClick={() => setshowDiscoverySelector(true)}
             shadow
-          />
+          /> */}
         </div>
         {showDiscoverySelector && (
           <Selector
@@ -327,7 +321,7 @@ export function SideBar(props: { className?: string }) {
                 }}
               />
             </div>
-            <div className={styles["sidebar-action"]}>
+            {/* <div className={styles["sidebar-action"]}>
               <Link to={Path.Settings}>
                 <IconButton
                   aria={Locale.Settings.Title}
@@ -335,8 +329,8 @@ export function SideBar(props: { className?: string }) {
                   shadow
                 />
               </Link>
-            </div>
-            <div className={styles["sidebar-action"]}>
+            </div> */}
+            {/* <div className={styles["sidebar-action"]}>
               <a href={REPO_URL} target="_blank" rel="noopener noreferrer">
                 <IconButton
                   aria={Locale.Export.MessageFromChatGPT}
@@ -344,7 +338,7 @@ export function SideBar(props: { className?: string }) {
                   shadow
                 />
               </a>
-            </div>
+            </div> */}
           </>
         }
         secondaryAction={
diff --git a/app/constant.ts b/app/constant.ts
index c1b135485..8c426d979 100644
--- a/app/constant.ts
+++ b/app/constant.ts
@@ -525,6 +525,7 @@ const googleModels = [
   "gemini-2.0-flash-thinking-exp-01-21",
   "gemini-2.0-pro-exp",
   "gemini-2.0-pro-exp-02-05",
+  "gemini-2.5-pro-preview-03-25",
 ];
 
 const anthropicModels = [
diff --git a/app/store/config.ts b/app/store/config.ts
index 45e21b026..7cd5b392c 100644
--- a/app/store/config.ts
+++ b/app/store/config.ts
@@ -64,8 +64,8 @@ export const DEFAULT_CONFIG = {
   models: DEFAULT_MODELS as any as LLMModel[],
 
   modelConfig: {
-    model: "gpt-4o-mini" as ModelType,
-    providerName: "OpenAI" as ServiceProvider,
+    model: "gemini-2.5-pro-preview-03-25" as ModelType,
+    providerName: "Google" as ServiceProvider,
     temperature: 0.5,
     top_p: 1,
     max_tokens: 4000,