diff --git a/app/components/chat.tsx b/app/components/chat.tsx
index 7aa8bfec6..52307078d 100644
--- a/app/components/chat.tsx
+++ b/app/components/chat.tsx
@@ -1,5 +1,5 @@
 import { useDebouncedCallback } from "use-debounce";
-import { useState, useRef, useEffect, useLayoutEffect } from "react";
+import { memo, useState, useRef, useEffect, useLayoutEffect } from "react";
 
 import SendWhiteIcon from "../icons/send-white.svg";
 import BrainIcon from "../icons/brain.svg";
@@ -17,6 +17,7 @@ import { Message, SubmitKey, useChatStore, BOT_HELLO, ROLES } from "../store";
 import {
   copyToClipboard,
   downloadAs,
+  getEmojiUrl,
   isMobileScreen,
   selectOrCopy,
 } from "../utils";
@@ -33,7 +34,7 @@ import chatStyle from "./chat.module.scss";
 
 import { Modal, showModal, showToast } from "./ui-lib";
 
-const Markdown = dynamic(async () => (await import("./markdown")).Markdown, {
+const Markdown = dynamic(async () => memo((await import("./markdown")).Markdown), {
   loading: () => <LoadingIcon />,
 });
 
@@ -50,7 +51,7 @@ export function Avatar(props: { role: Message["role"] }) {
 
   return (
     <div className={styles["user-avtar"]}>
-      <Emoji unified={config.avatar} size={18} />
+      <Emoji unified={config.avatar} size={18} getEmojiUrl={getEmojiUrl} />
     </div>
   );
 }
@@ -60,7 +61,9 @@ function exportMessages(messages: Message[], topic: string) {
     `# ${topic}\n\n` +
     messages
       .map((m) => {
-        return m.role === "user" ? `## ${m.content}` : m.content.trim();
+        return m.role === "user"
+          ? `## ${Locale.Export.MessageFromYou}:\n${m.content}`
+          : `## ${Locale.Export.MessageFromChatGPT}:\n${m.content.trim()}`;
       })
       .join("\n\n");
   const filename = `${topic}.md`;
diff --git a/app/components/settings.tsx b/app/components/settings.tsx
index 9b25adfe3..0b1971a0e 100644
--- a/app/components/settings.tsx
+++ b/app/components/settings.tsx
@@ -26,7 +26,7 @@ import {
 import { Avatar } from "./chat";
 
 import Locale, { AllLangs, changeLang, getLang } from "../locales";
-import { getCurrentVersion } from "../utils";
+import { getCurrentVersion, getEmojiUrl } from "../utils";
 import Link from "next/link";
 import { UPDATE_URL } from "../constant";
 import { SearchService, usePromptStore } from "../store/prompt";
@@ -113,7 +113,6 @@ export function Settings(props: { closeSettings: () => void }) {
 
   useEffect(() => {
     checkUpdate();
-    checkUsage();
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
@@ -182,6 +181,7 @@ export function Settings(props: { closeSettings: () => void }) {
                 <EmojiPicker
                   lazyLoadEmojis
                   theme={EmojiTheme.AUTO}
+                  getEmojiUrl={getEmojiUrl}
                   onEmojiClick={(e) => {
                     updateConfig((config) => (config.avatar = e.unified));
                     setShowEmojiPicker(false);
@@ -417,7 +417,7 @@ export function Settings(props: { closeSettings: () => void }) {
               value={config.historyMessageCount}
               min="0"
               max="25"
-              step="2"
+              step="1"
               onChange={(e) =>
                 updateConfig(
                   (config) =>
diff --git a/app/components/window.scss b/app/components/window.scss
index d89c9eb10..a92aed4eb 100644
--- a/app/components/window.scss
+++ b/app/components/window.scss
@@ -10,6 +10,7 @@
 
 .window-header-title {
   max-width: calc(100% - 100px);
+  overflow: hidden;
 
   .window-header-main-title {
     font-size: 20px;
diff --git a/app/locales/cn.ts b/app/locales/cn.ts
index 8bca83634..b6c1efc28 100644
--- a/app/locales/cn.ts
+++ b/app/locales/cn.ts
@@ -33,6 +33,8 @@ const cn = {
     Title: "导出聊天记录为 Markdown",
     Copy: "全部复制",
     Download: "下载文件",
+    MessageFromYou: "来自你的消息",
+    MessageFromChatGPT: "来自 ChatGPT 的消息",
   },
   Memory: {
     Title: "历史记忆",
diff --git a/app/locales/en.ts b/app/locales/en.ts
index ae8e88c2d..af8201503 100644
--- a/app/locales/en.ts
+++ b/app/locales/en.ts
@@ -35,6 +35,8 @@ const en: LocaleType = {
     Title: "All Messages",
     Copy: "Copy All",
     Download: "Download",
+    MessageFromYou: "Message From You",
+    MessageFromChatGPT: "Message From ChatGPT",
   },
   Memory: {
     Title: "Memory Prompt",
diff --git a/app/locales/es.ts b/app/locales/es.ts
index f3714ef3b..5c73b608b 100644
--- a/app/locales/es.ts
+++ b/app/locales/es.ts
@@ -35,6 +35,8 @@ const es: LocaleType = {
     Title: "Todos los mensajes",
     Copy: "Copiar todo",
     Download: "Descargar",
+    MessageFromYou: "Mensaje de ti",
+    MessageFromChatGPT: "Mensaje de ChatGPT",
   },
   Memory: {
     Title: "Historial de memoria",
diff --git a/app/locales/it.ts b/app/locales/it.ts
index c4736c1e0..ce87796d1 100644
--- a/app/locales/it.ts
+++ b/app/locales/it.ts
@@ -35,6 +35,8 @@ const it: LocaleType = {
     Title: "Tutti i messaggi",
     Copy: "Copia tutto",
     Download: "Scarica",
+    MessageFromYou: "Messaggio da te",
+    MessageFromChatGPT: "Messaggio da ChatGPT",
   },
   Memory: {
     Title: "Prompt di memoria",
diff --git a/app/locales/tw.ts b/app/locales/tw.ts
index f27001971..eaab03fcd 100644
--- a/app/locales/tw.ts
+++ b/app/locales/tw.ts
@@ -34,6 +34,8 @@ const tw: LocaleType = {
     Title: "匯出聊天記錄為 Markdown",
     Copy: "複製全部",
     Download: "下載檔案",
+    MessageFromYou: "來自你的訊息",
+    MessageFromChatGPT: "來自 ChatGPT 的訊息",
   },
   Memory: {
     Title: "上下文記憶 Prompt",
diff --git a/app/utils.ts b/app/utils.ts
index 5fe277c63..93f7561af 100644
--- a/app/utils.ts
+++ b/app/utils.ts
@@ -1,3 +1,4 @@
+import { EmojiStyle } from "emoji-picker-react";
 import { showToast } from "./components/ui-lib";
 import Locale from "./locales";
 
@@ -81,3 +82,7 @@ export function getCurrentVersion() {
 
   return currentId;
 }
+
+export function getEmojiUrl(unified: string, style: EmojiStyle) {
+  return `https://cdn.staticfile.org/emoji-datasource-apple/14.0.0/img/${style}/64/${unified}.png`;
+}