diff --git a/package-lock.json b/package-lock.json
index c678180..844bf86 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,6 +16,7 @@
         "@radix-ui/react-tooltip": "^1.1.8",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
+        "html2canvas": "^1.4.1",
         "katex": "^0.16.21",
         "lucide-react": "^0.263.1",
         "openai": "^4.83.0",
@@ -2111,6 +2112,14 @@
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
+    "node_modules/base64-arraybuffer": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-1.0.2.tgz",
+      "integrity": "sha512-I3yl4r9QB5ZRY3XuJVEPfc2XhZO6YweFPI+UovAzn+8/hb3oJ6lnysaFcjVpkCPfVWFUDvoZ8kmVDP7WyRtYtQ==",
+      "engines": {
+        "node": ">= 0.6.0"
+      }
+    },
     "node_modules/base64-js": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
@@ -2478,6 +2487,14 @@
         "node": ">= 8"
       }
     },
+    "node_modules/css-line-break": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/css-line-break/-/css-line-break-2.1.0.tgz",
+      "integrity": "sha512-FHcKFCZcAha3LwfVBhCQbW2nCNbkZXn7KVUJcsT5/P8YmfsVja0FMPJr0B903j/E69HUphKiV9iQArX8SDYA4w==",
+      "dependencies": {
+        "utrie": "^1.0.2"
+      }
+    },
     "node_modules/cssesc": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-3.0.0.tgz",
@@ -3241,6 +3258,18 @@
         "url": "https://opencollective.com/unified"
       }
     },
+    "node_modules/html2canvas": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/html2canvas/-/html2canvas-1.4.1.tgz",
+      "integrity": "sha512-fPU6BHNpsyIhr8yyMpTLLxAbkaK8ArIBcmZIRiBLiDhjeqvXolaEmDGmELFuX9I4xDcaKKcJl+TKZLqruBbmWA==",
+      "dependencies": {
+        "css-line-break": "^2.1.0",
+        "text-segmentation": "^1.0.3"
+      },
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
     "node_modules/human-signals": {
       "version": "4.3.1",
       "resolved": "https://registry.npmjs.org/human-signals/-/human-signals-4.3.1.tgz",
@@ -5845,6 +5874,14 @@
         "tailwindcss": ">=3.0.0 || insiders"
       }
     },
+    "node_modules/text-segmentation": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/text-segmentation/-/text-segmentation-1.0.3.tgz",
+      "integrity": "sha512-iOiPUo/BGnZ6+54OsWxZidGCsdU8YbE4PSpdPinp7DeMtUJNJBoJ/ouUSTJjHkh1KntHaltHl/gDs2FC4i5+Nw==",
+      "dependencies": {
+        "utrie": "^1.0.2"
+      }
+    },
     "node_modules/thenify": {
       "version": "3.3.1",
       "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.1.tgz",
@@ -6118,6 +6155,14 @@
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
     },
+    "node_modules/utrie": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/utrie/-/utrie-1.0.2.tgz",
+      "integrity": "sha512-1MLa5ouZiOmQzUbjbu9VmjLzn1QLXBhwpUa7kdLUQK+KQ5KA9I1vk5U4YHe/X2Ch7PYnJfWuWT+VbuxbGwljhw==",
+      "dependencies": {
+        "base64-arraybuffer": "^1.0.2"
+      }
+    },
     "node_modules/vfile": {
       "version": "6.0.3",
       "resolved": "https://registry.npmmirror.com/vfile/-/vfile-6.0.3.tgz",
diff --git a/package.json b/package.json
index 6854214..059eae2 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "@radix-ui/react-tooltip": "^1.1.8",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "html2canvas": "^1.4.1",
     "katex": "^0.16.21",
     "lucide-react": "^0.263.1",
     "openai": "^4.83.0",
diff --git a/src/components/ChatUI.tsx b/src/components/ChatUI.tsx
index 7b77b49..b41ac6d 100644
--- a/src/components/ChatUI.tsx
+++ b/src/components/ChatUI.tsx
@@ -1,5 +1,5 @@
 import React, { useState, useRef, useEffect } from 'react';
-import { Send, Menu, MoreHorizontal, UserPlus, UserMinus, Users2, Users, MoreVertical, Mic, MicOff } from 'lucide-react';
+import { Send, Menu, MoreHorizontal, UserPlus, UserMinus, Users2, Users, MoreVertical, Share2, Mic, MicOff } from 'lucide-react';
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { ScrollArea } from "@/components/ui/scroll-area";
@@ -25,6 +25,8 @@ import ReactMarkdown from 'react-markdown';
 import remarkGfm from 'remark-gfm'
 import remarkMath from 'remark-math'
 import rehypeKatex from 'rehype-katex'
+import html2canvas from 'html2canvas';
+import { SharePoster } from '@/components/SharePoster';
 
 // 使用本地头像数据，避免外部依赖
 const getAvatarData = (name: string) => {
@@ -349,6 +351,16 @@ const ChatUI = () => {
     };
   }, []);
 
+  // 添加对聊天区域的引用
+  const chatAreaRef = useRef<HTMLDivElement>(null);
+
+  // 更新分享函数
+  const [showPoster, setShowPoster] = useState(false);
+
+  const handleShareChat = () => {
+    setShowPoster(true);
+  };
+
   return (
     <>
       <KaTeXStyle />
@@ -437,7 +449,7 @@ const ChatUI = () => {
         {/* Main Chat Area */}
         <div className="flex-1 overflow-hidden">
           <ScrollArea className="h-full p-4">
-            <div className="space-y-4">
+            <div className="space-y-4" ref={chatAreaRef}>
               {messages.map((message) => (
                 <div key={message.id} 
                   className={`flex items-start gap-2 ${message.sender.name === "我" ? "justify-end" : ""}`}>
@@ -520,6 +532,23 @@ const ChatUI = () => {
         {/* Input Area */}
         <div className="bg-white border-t pb-[calc(0.75rem+env(safe-area-inset-bottom))] pt-3 px-4">
           <div className="flex gap-2">
+            <TooltipProvider>
+              <Tooltip>
+                <TooltipTrigger asChild>
+                  <Button 
+                    variant="outline"
+                    size="icon"
+                    onClick={handleShareChat}
+                    className="px-3"
+                  >
+                    <Share2 className="w-4 h-4" />
+                  </Button>
+                </TooltipTrigger>
+                <TooltipContent>
+                  <p>分享聊天记录</p>
+                </TooltipContent>
+              </Tooltip>
+            </TooltipProvider>
             <Input 
               placeholder="输入消息..." 
               className="flex-1"
@@ -615,6 +644,13 @@ const ChatUI = () => {
           </DialogContent>
         </Dialog>
       </div>
+
+      {/* 添加 SharePoster 组件 */}
+      <SharePoster 
+        isOpen={showPoster}
+        onClose={() => setShowPoster(false)}
+        chatAreaRef={chatAreaRef}
+      />
     </>
   );
 };