diff --git a/app/components/chat.tsx b/app/components/chat.tsx
new file mode 100644
index 000000000..7aa8bfec6
--- /dev/null
+++ b/app/components/chat.tsx
@@ -0,0 +1,643 @@
+import { useDebouncedCallback } from "use-debounce";
+import { useState, useRef, useEffect, useLayoutEffect } from "react";
+
+import SendWhiteIcon from "../icons/send-white.svg";
+import BrainIcon from "../icons/brain.svg";
+import ExportIcon from "../icons/export.svg";
+import MenuIcon from "../icons/menu.svg";
+import CopyIcon from "../icons/copy.svg";
+import DownloadIcon from "../icons/download.svg";
+import LoadingIcon from "../icons/three-dots.svg";
+import BotIcon from "../icons/bot.svg";
+import AddIcon from "../icons/add.svg";
+import DeleteIcon from "../icons/delete.svg";
+
+import { Message, SubmitKey, useChatStore, BOT_HELLO, ROLES } from "../store";
+
+import {
+  copyToClipboard,
+  downloadAs,
+  isMobileScreen,
+  selectOrCopy,
+} from "../utils";
+
+import dynamic from "next/dynamic";
+
+import { ControllerPool } from "../requests";
+import { Prompt, usePromptStore } from "../store/prompt";
+import Locale from "../locales";
+
+import { IconButton } from "./button";
+import styles from "./home.module.scss";
+import chatStyle from "./chat.module.scss";
+
+import { Modal, showModal, showToast } from "./ui-lib";
+
+const Markdown = dynamic(async () => (await import("./markdown")).Markdown, {
+  loading: () => <LoadingIcon />,
+});
+
+const Emoji = dynamic(async () => (await import("emoji-picker-react")).Emoji, {
+  loading: () => <LoadingIcon />,
+});
+
+export function Avatar(props: { role: Message["role"] }) {
+  const config = useChatStore((state) => state.config);
+
+  if (props.role !== "user") {
+    return <BotIcon className={styles["user-avtar"]} />;
+  }
+
+  return (
+    <div className={styles["user-avtar"]}>
+      <Emoji unified={config.avatar} size={18} />
+    </div>
+  );
+}
+
+function exportMessages(messages: Message[], topic: string) {
+  const mdText =
+    `# ${topic}\n\n` +
+    messages
+      .map((m) => {
+        return m.role === "user" ? `## ${m.content}` : m.content.trim();
+      })
+      .join("\n\n");
+  const filename = `${topic}.md`;
+
+  showModal({
+    title: Locale.Export.Title,
+    children: (
+      <div className="markdown-body">
+        <pre className={styles["export-content"]}>{mdText}</pre>
+      </div>
+    ),
+    actions: [
+      <IconButton
+        key="copy"
+        icon={<CopyIcon />}
+        bordered
+        text={Locale.Export.Copy}
+        onClick={() => copyToClipboard(mdText)}
+      />,
+      <IconButton
+        key="download"
+        icon={<DownloadIcon />}
+        bordered
+        text={Locale.Export.Download}
+        onClick={() => downloadAs(mdText, filename)}
+      />,
+    ],
+  });
+}
+
+function PromptToast(props: {
+  showToast?: boolean;
+  showModal?: boolean;
+  setShowModal: (_: boolean) => void;
+}) {
+  const chatStore = useChatStore();
+  const session = chatStore.currentSession();
+  const context = session.context;
+
+  const addContextPrompt = (prompt: Message) => {
+    chatStore.updateCurrentSession((session) => {
+      session.context.push(prompt);
+    });
+  };
+
+  const removeContextPrompt = (i: number) => {
+    chatStore.updateCurrentSession((session) => {
+      session.context.splice(i, 1);
+    });
+  };
+
+  const updateContextPrompt = (i: number, prompt: Message) => {
+    chatStore.updateCurrentSession((session) => {
+      session.context[i] = prompt;
+    });
+  };
+
+  return (
+    <div className={chatStyle["prompt-toast"]} key="prompt-toast">
+      {props.showToast && (
+        <div
+          className={chatStyle["prompt-toast-inner"] + " clickable"}
+          role="button"
+          onClick={() => props.setShowModal(true)}
+        >
+          <BrainIcon />
+          <span className={chatStyle["prompt-toast-content"]}>
+            {Locale.Context.Toast(context.length)}
+          </span>
+        </div>
+      )}
+      {props.showModal && (
+        <div className="modal-mask">
+          <Modal
+            title={Locale.Context.Edit}
+            onClose={() => props.setShowModal(false)}
+            actions={[
+              <IconButton
+                key="copy"
+                icon={<CopyIcon />}
+                bordered
+                text={Locale.Memory.Copy}
+                onClick={() => copyToClipboard(session.memoryPrompt)}
+              />,
+            ]}
+          >
+            <>
+              {" "}
+              <div className={chatStyle["context-prompt"]}>
+                {context.map((c, i) => (
+                  <div className={chatStyle["context-prompt-row"]} key={i}>
+                    <select
+                      value={c.role}
+                      className={chatStyle["context-role"]}
+                      onChange={(e) =>
+                        updateContextPrompt(i, {
+                          ...c,
+                          role: e.target.value as any,
+                        })
+                      }
+                    >
+                      {ROLES.map((r) => (
+                        <option key={r} value={r}>
+                          {r}
+                        </option>
+                      ))}
+                    </select>
+                    <input
+                      value={c.content}
+                      type="text"
+                      className={chatStyle["context-content"]}
+                      onChange={(e) =>
+                        updateContextPrompt(i, {
+                          ...c,
+                          content: e.target.value as any,
+                        })
+                      }
+                    ></input>
+                    <IconButton
+                      icon={<DeleteIcon />}
+                      className={chatStyle["context-delete-button"]}
+                      onClick={() => removeContextPrompt(i)}
+                      bordered
+                    />
+                  </div>
+                ))}
+
+                <div className={chatStyle["context-prompt-row"]}>
+                  <IconButton
+                    icon={<AddIcon />}
+                    text={Locale.Context.Add}
+                    bordered
+                    className={chatStyle["context-prompt-button"]}
+                    onClick={() =>
+                      addContextPrompt({
+                        role: "system",
+                        content: "",
+                        date: "",
+                      })
+                    }
+                  />
+                </div>
+              </div>
+              <div className={chatStyle["memory-prompt"]}>
+                <div className={chatStyle["memory-prompt-title"]}>
+                  {Locale.Memory.Title} ({session.lastSummarizeIndex} of{" "}
+                  {session.messages.length})
+                </div>
+                <div className={chatStyle["memory-prompt-content"]}>
+                  {session.memoryPrompt || Locale.Memory.EmptyContent}
+                </div>
+              </div>
+            </>
+          </Modal>
+        </div>
+      )}
+    </div>
+  );
+}
+
+function useSubmitHandler() {
+  const config = useChatStore((state) => state.config);
+  const submitKey = config.submitKey;
+
+  const shouldSubmit = (e: React.KeyboardEvent<HTMLTextAreaElement>) => {
+    if (e.key !== "Enter") return false;
+    if (e.key === "Enter" && e.nativeEvent.isComposing) return false;
+    return (
+      (config.submitKey === SubmitKey.AltEnter && e.altKey) ||
+      (config.submitKey === SubmitKey.CtrlEnter && e.ctrlKey) ||
+      (config.submitKey === SubmitKey.ShiftEnter && e.shiftKey) ||
+      (config.submitKey === SubmitKey.MetaEnter && e.metaKey) ||
+      (config.submitKey === SubmitKey.Enter &&
+        !e.altKey &&
+        !e.ctrlKey &&
+        !e.shiftKey &&
+        !e.metaKey)
+    );
+  };
+
+  return {
+    submitKey,
+    shouldSubmit,
+  };
+}
+
+export function PromptHints(props: {
+  prompts: Prompt[];
+  onPromptSelect: (prompt: Prompt) => void;
+}) {
+  if (props.prompts.length === 0) return null;
+
+  return (
+    <div className={styles["prompt-hints"]}>
+      {props.prompts.map((prompt, i) => (
+        <div
+          className={styles["prompt-hint"]}
+          key={prompt.title + i.toString()}
+          onClick={() => props.onPromptSelect(prompt)}
+        >
+          <div className={styles["hint-title"]}>{prompt.title}</div>
+          <div className={styles["hint-content"]}>{prompt.content}</div>
+        </div>
+      ))}
+    </div>
+  );
+}
+
+function useScrollToBottom() {
+  // for auto-scroll
+  const scrollRef = useRef<HTMLDivElement>(null);
+  const [autoScroll, setAutoScroll] = useState(true);
+
+  // auto scroll
+  useLayoutEffect(() => {
+    const dom = scrollRef.current;
+    if (dom && autoScroll) {
+      setTimeout(() => (dom.scrollTop = dom.scrollHeight), 1);
+    }
+  });
+
+  return {
+    scrollRef,
+    autoScroll,
+    setAutoScroll,
+  };
+}
+
+export function Chat(props: {
+  showSideBar?: () => void;
+  sideBarShowing?: boolean;
+}) {
+  type RenderMessage = Message & { preview?: boolean };
+
+  const chatStore = useChatStore();
+  const [session, sessionIndex] = useChatStore((state) => [
+    state.currentSession(),
+    state.currentSessionIndex,
+  ]);
+  const fontSize = useChatStore((state) => state.config.fontSize);
+
+  const inputRef = useRef<HTMLTextAreaElement>(null);
+  const [userInput, setUserInput] = useState("");
+  const [isLoading, setIsLoading] = useState(false);
+  const { submitKey, shouldSubmit } = useSubmitHandler();
+  const { scrollRef, setAutoScroll } = useScrollToBottom();
+  const [hitBottom, setHitBottom] = useState(false);
+
+  const onChatBodyScroll = (e: HTMLElement) => {
+    const isTouchBottom = e.scrollTop + e.clientHeight >= e.scrollHeight - 20;
+    setHitBottom(isTouchBottom);
+  };
+
+  // prompt hints
+  const promptStore = usePromptStore();
+  const [promptHints, setPromptHints] = useState<Prompt[]>([]);
+  const onSearch = useDebouncedCallback(
+    (text: string) => {
+      setPromptHints(promptStore.search(text));
+    },
+    100,
+    { leading: true, trailing: true },
+  );
+
+  const onPromptSelect = (prompt: Prompt) => {
+    setUserInput(prompt.content);
+    setPromptHints([]);
+    inputRef.current?.focus();
+  };
+
+  const scrollInput = () => {
+    const dom = inputRef.current;
+    if (!dom) return;
+    const paddingBottomNum: number = parseInt(
+      window.getComputedStyle(dom).paddingBottom,
+      10,
+    );
+    dom.scrollTop = dom.scrollHeight - dom.offsetHeight + paddingBottomNum;
+  };
+
+  // only search prompts when user input is short
+  const SEARCH_TEXT_LIMIT = 30;
+  const onInput = (text: string) => {
+    scrollInput();
+    setUserInput(text);
+    const n = text.trim().length;
+
+    // clear search results
+    if (n === 0) {
+      setPromptHints([]);
+    } else if (!chatStore.config.disablePromptHint && n < SEARCH_TEXT_LIMIT) {
+      // check if need to trigger auto completion
+      if (text.startsWith("/")) {
+        let searchText = text.slice(1);
+        if (searchText.length === 0) {
+          searchText = " ";
+        }
+        onSearch(searchText);
+      }
+    }
+  };
+
+  // submit user input
+  const onUserSubmit = () => {
+    if (userInput.length <= 0) return;
+    setIsLoading(true);
+    chatStore.onUserInput(userInput).then(() => setIsLoading(false));
+    setUserInput("");
+    setPromptHints([]);
+    if (!isMobileScreen()) inputRef.current?.focus();
+    setAutoScroll(true);
+  };
+
+  // stop response
+  const onUserStop = (messageIndex: number) => {
+    ControllerPool.stop(sessionIndex, messageIndex);
+  };
+
+  // check if should send message
+  const onInputKeyDown = (e: React.KeyboardEvent<HTMLTextAreaElement>) => {
+    if (shouldSubmit(e)) {
+      onUserSubmit();
+      e.preventDefault();
+    }
+  };
+  const onRightClick = (e: any, message: Message) => {
+    // auto fill user input
+    if (message.role === "user") {
+      setUserInput(message.content);
+    }
+
+    // copy to clipboard
+    if (selectOrCopy(e.currentTarget, message.content)) {
+      e.preventDefault();
+    }
+  };
+
+  const onResend = (botIndex: number) => {
+    // find last user input message and resend
+    for (let i = botIndex; i >= 0; i -= 1) {
+      if (messages[i].role === "user") {
+        setIsLoading(true);
+        chatStore
+          .onUserInput(messages[i].content)
+          .then(() => setIsLoading(false));
+        inputRef.current?.focus();
+        return;
+      }
+    }
+  };
+
+  const config = useChatStore((state) => state.config);
+
+  const context: RenderMessage[] = session.context.slice();
+
+  if (
+    context.length === 0 &&
+    session.messages.at(0)?.content !== BOT_HELLO.content
+  ) {
+    context.push(BOT_HELLO);
+  }
+
+  // preview messages
+  const messages = context
+    .concat(session.messages as RenderMessage[])
+    .concat(
+      isLoading
+        ? [
+            {
+              role: "assistant",
+              content: "……",
+              date: new Date().toLocaleString(),
+              preview: true,
+            },
+          ]
+        : [],
+    )
+    .concat(
+      userInput.length > 0 && config.sendPreviewBubble
+        ? [
+            {
+              role: "user",
+              content: userInput,
+              date: new Date().toLocaleString(),
+              preview: true,
+            },
+          ]
+        : [],
+    );
+
+  const [showPromptModal, setShowPromptModal] = useState(false);
+
+  // Auto focus
+  useEffect(() => {
+    if (props.sideBarShowing && isMobileScreen()) return;
+    inputRef.current?.focus();
+  }, []);
+
+  return (
+    <div className={styles.chat} key={session.id}>
+      <div className={styles["window-header"]}>
+        <div
+          className={styles["window-header-title"]}
+          onClick={props?.showSideBar}
+        >
+          <div
+            className={`${styles["window-header-main-title"]} ${styles["chat-body-title"]}`}
+            onClick={() => {
+              const newTopic = prompt(Locale.Chat.Rename, session.topic);
+              if (newTopic && newTopic !== session.topic) {
+                chatStore.updateCurrentSession(
+                  (session) => (session.topic = newTopic!),
+                );
+              }
+            }}
+          >
+            {session.topic}
+          </div>
+          <div className={styles["window-header-sub-title"]}>
+            {Locale.Chat.SubTitle(session.messages.length)}
+          </div>
+        </div>
+        <div className={styles["window-actions"]}>
+          <div className={styles["window-action-button"] + " " + styles.mobile}>
+            <IconButton
+              icon={<MenuIcon />}
+              bordered
+              title={Locale.Chat.Actions.ChatList}
+              onClick={props?.showSideBar}
+            />
+          </div>
+          <div className={styles["window-action-button"]}>
+            <IconButton
+              icon={<BrainIcon />}
+              bordered
+              title={Locale.Chat.Actions.CompressedHistory}
+              onClick={() => {
+                setShowPromptModal(true);
+              }}
+            />
+          </div>
+          <div className={styles["window-action-button"]}>
+            <IconButton
+              icon={<ExportIcon />}
+              bordered
+              title={Locale.Chat.Actions.Export}
+              onClick={() => {
+                exportMessages(
+                  session.messages.filter((msg) => !msg.isError),
+                  session.topic,
+                );
+              }}
+            />
+          </div>
+        </div>
+
+        <PromptToast
+          showToast={!hitBottom}
+          showModal={showPromptModal}
+          setShowModal={setShowPromptModal}
+        />
+      </div>
+
+      <div
+        className={styles["chat-body"]}
+        ref={scrollRef}
+        onScroll={(e) => onChatBodyScroll(e.currentTarget)}
+        onWheel={(e) => setAutoScroll(hitBottom && e.deltaY > 0)}
+        onTouchStart={() => {
+          inputRef.current?.blur();
+          setAutoScroll(false);
+        }}
+      >
+        {messages.map((message, i) => {
+          const isUser = message.role === "user";
+
+          return (
+            <div
+              key={i}
+              className={
+                isUser ? styles["chat-message-user"] : styles["chat-message"]
+              }
+            >
+              <div className={styles["chat-message-container"]}>
+                <div className={styles["chat-message-avatar"]}>
+                  <Avatar role={message.role} />
+                </div>
+                {(message.preview || message.streaming) && (
+                  <div className={styles["chat-message-status"]}>
+                    {Locale.Chat.Typing}
+                  </div>
+                )}
+                <div className={styles["chat-message-item"]}>
+                  {!isUser &&
+                    !(message.preview || message.content.length === 0) && (
+                      <div className={styles["chat-message-top-actions"]}>
+                        {message.streaming ? (
+                          <div
+                            className={styles["chat-message-top-action"]}
+                            onClick={() => onUserStop(i)}
+                          >
+                            {Locale.Chat.Actions.Stop}
+                          </div>
+                        ) : (
+                          <div
+                            className={styles["chat-message-top-action"]}
+                            onClick={() => onResend(i)}
+                          >
+                            {Locale.Chat.Actions.Retry}
+                          </div>
+                        )}
+
+                        <div
+                          className={styles["chat-message-top-action"]}
+                          onClick={() => copyToClipboard(message.content)}
+                        >
+                          {Locale.Chat.Actions.Copy}
+                        </div>
+                      </div>
+                    )}
+                  {(message.preview || message.content.length === 0) &&
+                  !isUser ? (
+                    <LoadingIcon />
+                  ) : (
+                    <div
+                      className="markdown-body"
+                      style={{ fontSize: `${fontSize}px` }}
+                      onContextMenu={(e) => onRightClick(e, message)}
+                      onDoubleClickCapture={() => {
+                        if (!isMobileScreen()) return;
+                        setUserInput(message.content);
+                      }}
+                    >
+                      <Markdown content={message.content} />
+                    </div>
+                  )}
+                </div>
+                {!isUser && !message.preview && (
+                  <div className={styles["chat-message-actions"]}>
+                    <div className={styles["chat-message-action-date"]}>
+                      {message.date.toLocaleString()}
+                    </div>
+                  </div>
+                )}
+              </div>
+            </div>
+          );
+        })}
+      </div>
+
+      <div className={styles["chat-input-panel"]}>
+        <PromptHints prompts={promptHints} onPromptSelect={onPromptSelect} />
+        <div className={styles["chat-input-panel-inner"]}>
+          <textarea
+            ref={inputRef}
+            className={styles["chat-input"]}
+            placeholder={Locale.Chat.Input(submitKey)}
+            rows={2}
+            onInput={(e) => onInput(e.currentTarget.value)}
+            value={userInput}
+            onKeyDown={onInputKeyDown}
+            onFocus={() => setAutoScroll(true)}
+            onBlur={() => {
+              setAutoScroll(false);
+              setTimeout(() => setPromptHints([]), 500);
+            }}
+            autoFocus={!props?.sideBarShowing}
+          />
+          <IconButton
+            icon={<SendWhiteIcon />}
+            text={Locale.Chat.Send}
+            className={styles["chat-input-send"]}
+            noDark
+            onClick={onUserSubmit}
+          />
+        </div>
+      </div>
+    </div>
+  );
+}