diff --git a/nkebao/src/pages/workspace/ai-assistant/AIAssistant.module.scss b/nkebao/src/pages/workspace/ai-assistant/AIAssistant.module.scss
new file mode 100644
index 000000000..d5a7cd33d
--- /dev/null
+++ b/nkebao/src/pages/workspace/ai-assistant/AIAssistant.module.scss
@@ -0,0 +1,139 @@
+.chatContainer {
+  display: flex;
+  flex-direction: column;
+}
+
+.messageList {
+  flex: 1;
+  overflow-y: auto;
+  padding: 16px 12px 80px 12px;
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.userMessage {
+  display: flex;
+  flex-direction: column;
+  align-items: flex-end;
+}
+
+.aiMessage {
+  display: flex;
+  flex-direction: column;
+  align-items: flex-start;
+}
+
+.bubble {
+  max-width: 80%;
+  padding: 10px 14px;
+  border-radius: 18px;
+  font-size: 15px;
+  line-height: 1.6;
+  word-break: break-word;
+  background: #fff;
+  color: #222;
+  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
+}
+
+.userMessage .bubble {
+  background: linear-gradient(135deg, #a7e0ff 0%, #5bbcff 100%);
+  color: #222;
+  border-bottom-right-radius: 6px;
+}
+
+.aiMessage .bubble {
+  background: #fff;
+  color: #222;
+  border-bottom-left-radius: 6px;
+}
+
+.time {
+  font-size: 11px;
+  color: #aaa;
+  margin: 4px 8px 0 8px;
+  align-self: flex-end;
+}
+
+.inputBar {
+  position: fixed;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  display: flex;
+  align-items: center;
+  background: #fff;
+  padding: 10px 12px 10px 12px;
+  box-shadow: 0 -2px 8px rgba(0,0,0,0.04);
+  z-index: 10;
+}
+
+.input {
+  flex: 1;
+  border: none;
+  outline: none;
+  background: #f3f4f6;
+  border-radius: 18px;
+  padding: 10px 14px;
+  font-size: 15px;
+  margin-right: 8px;
+}
+
+.sendButton {
+  background: var(--primary-gradient, linear-gradient(135deg, #a7e0ff 0%, #5bbcff 100%));
+  color: #fff;
+  border: none;
+  border-radius: 18px;
+  padding: 8px 18px;
+  font-size: 15px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: background 0.2s;
+}
+
+.sendButton:disabled {
+  background: #e5e7eb;
+  color: #aaa;
+  cursor: not-allowed;
+}
+
+.iconBtn {
+  background: none;
+  border: none;
+  outline: none;
+  margin-right: 6px;
+  font-size: 20px;
+  color: #888;
+  cursor: pointer;
+  padding: 4px;
+  border-radius: 50%;
+  transition: background 0.2s, color 0.2s;
+}
+
+.iconBtn:hover, .iconBtn:active {
+  background: #f3f4f6;
+  color: #5bbcff;
+}
+
+.image {
+  max-width: 180px;
+  max-height: 180px;
+  border-radius: 10px;
+  display: block;
+}
+
+.fileLink {
+  color: #5bbcff;
+  text-decoration: none;
+  font-size: 15px;
+  word-break: break-all;
+  display: flex;
+  align-items: center;
+}
+
+.nav-title {
+  color: var(--primary-color);
+  font-weight: 700;
+  font-size: 18px;
+  text-shadow: 0 2px 4px rgba(24, 142, 238, 0.2);
+} 
\ No newline at end of file
diff --git a/nkebao/src/pages/workspace/ai-assistant/AIAssistant.tsx b/nkebao/src/pages/workspace/ai-assistant/AIAssistant.tsx
index 2727f4534..4e60367e5 100644
--- a/nkebao/src/pages/workspace/ai-assistant/AIAssistant.tsx
+++ b/nkebao/src/pages/workspace/ai-assistant/AIAssistant.tsx
@@ -1,8 +1,264 @@
-import React from "react";
-import PlaceholderPage from "@/components/PlaceholderPage";
+import React, { useRef, useState, useEffect } from "react";
+import Layout from "@/components/Layout/Layout";
+import NavCommon from "@/components/NavCommon";
+import {
+  PictureOutlined,
+  PaperClipOutlined,
+  AudioOutlined,
+} from "@ant-design/icons";
+import styles from "./AIAssistant.module.scss";
+
+interface Message {
+  id: string;
+  content: string;
+  from: "user" | "ai";
+  time: string;
+  type?: "text" | "image" | "file" | "audio";
+  fileName?: string;
+  fileUrl?: string;
+}
+
+const initialMessages: Message[] = [
+  {
+    id: "1",
+    content: "你好！我是你的AI助手，有什么可以帮助你的吗?",
+    from: "ai",
+    time: "15:29",
+    type: "text",
+  },
+];
 
 const AIAssistant: React.FC = () => {
-  return <PlaceholderPage title="AI助手" showBack={false} />;
+  const [messages, setMessages] = useState<Message[]>(initialMessages);
+  const [input, setInput] = useState("");
+  const [loading, setLoading] = useState(false);
+  const messagesEndRef = useRef<HTMLDivElement>(null);
+  const fileInputRef = useRef<HTMLInputElement>(null);
+  const imageInputRef = useRef<HTMLInputElement>(null);
+  const [recognizing, setRecognizing] = useState(false);
+  const recognitionRef = useRef<any>(null);
+
+  useEffect(() => {
+    messagesEndRef.current?.scrollIntoView({ behavior: "smooth" });
+  }, [messages]);
+
+  // 语音识别初始化
+  useEffect(() => {
+    if (!("webkitSpeechRecognition" in window)) return;
+    const SpeechRecognition = (window as any).webkitSpeechRecognition;
+    recognitionRef.current = new SpeechRecognition();
+    recognitionRef.current.continuous = false;
+    recognitionRef.current.interimResults = false;
+    recognitionRef.current.lang = "zh-CN";
+    recognitionRef.current.onresult = (event: any) => {
+      const transcript = event.results[0][0].transcript;
+      setInput((prev) => prev + transcript);
+      setRecognizing(false);
+    };
+    recognitionRef.current.onerror = () => setRecognizing(false);
+    recognitionRef.current.onend = () => setRecognizing(false);
+  }, []);
+
+  const handleSend = async () => {
+    if (!input.trim()) return;
+    const userMsg: Message = {
+      id: Date.now().toString(),
+      content: input,
+      from: "user",
+      time: new Date().toLocaleTimeString([], {
+        hour: "2-digit",
+        minute: "2-digit",
+      }),
+      type: "text",
+    };
+    setMessages((prev) => [...prev, userMsg]);
+    setInput("");
+    setLoading(true);
+    setTimeout(() => {
+      setMessages((prev) => [
+        ...prev,
+        {
+          id: Date.now().toString() + "-ai",
+          content: "AI正在思考...（此处可接入真实API）",
+          from: "ai",
+          time: new Date().toLocaleTimeString([], {
+            hour: "2-digit",
+            minute: "2-digit",
+          }),
+          type: "text",
+        },
+      ]);
+      setLoading(false);
+    }, 1200);
+  };
+
+  // 图片上传
+  const handleImageChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0];
+    if (file) {
+      const url = URL.createObjectURL(file);
+      setMessages((prev) => [
+        ...prev,
+        {
+          id: Date.now().toString(),
+          content: url,
+          from: "user",
+          time: new Date().toLocaleTimeString([], {
+            hour: "2-digit",
+            minute: "2-digit",
+          }),
+          type: "image",
+          fileName: file.name,
+          fileUrl: url,
+        },
+      ]);
+    }
+    e.target.value = "";
+  };
+
+  // 文件上传
+  const handleFileChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0];
+    if (file) {
+      const url = URL.createObjectURL(file);
+      setMessages((prev) => [
+        ...prev,
+        {
+          id: Date.now().toString(),
+          content: file.name,
+          from: "user",
+          time: new Date().toLocaleTimeString([], {
+            hour: "2-digit",
+            minute: "2-digit",
+          }),
+          type: "file",
+          fileName: file.name,
+          fileUrl: url,
+        },
+      ]);
+    }
+    e.target.value = "";
+  };
+
+  // 语音输入
+  const handleVoiceInput = () => {
+    if (!recognitionRef.current) return alert("当前浏览器不支持语音输入");
+    if (recognizing) {
+      recognitionRef.current.stop();
+      setRecognizing(false);
+    } else {
+      recognitionRef.current.start();
+      setRecognizing(true);
+    }
+  };
+
+  return (
+    <Layout header={<NavCommon title="AI助手" />} loading={false}>
+      <div className={styles.chatContainer}>
+        <div className={styles.messageList}>
+          {messages.map((msg) => (
+            <div
+              key={msg.id}
+              className={
+                msg.from === "user" ? styles.userMessage : styles.aiMessage
+              }
+            >
+              {msg.type === "text" && (
+                <div className={styles.bubble}>{msg.content}</div>
+              )}
+              {msg.type === "image" && (
+                <div className={styles.bubble}>
+                  <img
+                    src={msg.fileUrl}
+                    alt={msg.fileName}
+                    className={styles.image}
+                  />
+                </div>
+              )}
+              {msg.type === "file" && (
+                <div className={styles.bubble}>
+                  <a
+                    href={msg.fileUrl}
+                    download={msg.fileName}
+                    className={styles.fileLink}
+                  >
+                    <PaperClipOutlined style={{ marginRight: 6 }} />
+                    {msg.fileName}
+                  </a>
+                </div>
+              )}
+              {/* 语音消息可后续扩展 */}
+              <div className={styles.time}>{msg.time}</div>
+            </div>
+          ))}
+          {loading && (
+            <div className={styles.aiMessage}>
+              <div className={styles.bubble}>AI正在输入...</div>
+            </div>
+          )}
+          <div ref={messagesEndRef} />
+        </div>
+        <div className={styles.inputBar}>
+          <button
+            className={styles.iconBtn}
+            onClick={() => imageInputRef.current?.click()}
+            title="图片"
+            type="button"
+          >
+            <PictureOutlined />
+          </button>
+          <input
+            ref={imageInputRef}
+            type="file"
+            accept="image/*"
+            style={{ display: "none" }}
+            onChange={handleImageChange}
+          />
+          <button
+            className={styles.iconBtn}
+            onClick={() => fileInputRef.current?.click()}
+            title="文件"
+            type="button"
+          >
+            <PaperClipOutlined />
+          </button>
+          <input
+            ref={fileInputRef}
+            type="file"
+            style={{ display: "none" }}
+            onChange={handleFileChange}
+          />
+          <button
+            className={styles.iconBtn}
+            onClick={handleVoiceInput}
+            title="语音输入"
+            type="button"
+            style={{ color: recognizing ? "#5bbcff" : undefined }}
+          >
+            <AudioOutlined />
+          </button>
+          <input
+            className={styles.input}
+            type="text"
+            placeholder="输入消息..."
+            value={input}
+            onChange={(e) => setInput(e.target.value)}
+            onKeyDown={(e) => {
+              if (e.key === "Enter") handleSend();
+            }}
+            disabled={loading}
+          />
+          <button
+            className={styles.sendButton}
+            onClick={handleSend}
+            disabled={loading || !input.trim()}
+          >
+            发送
+          </button>
+        </div>
+      </div>
+    </Layout>
+  );
 };
 
 export default AIAssistant;