diff --git a/src/components/Snackbar.jsx b/src/components/Snackbar.jsx
index 7c26224..eae061b 100644
--- a/src/components/Snackbar.jsx
+++ b/src/components/Snackbar.jsx
@@ -28,7 +28,7 @@ const Snackbar = ({ type = 'primary', message, duration = 3000, onClose }) => {
 
     return (
         <div
-            className={`snackbar alert alert-${type} d-flex align-items-center justify-content-between position-fixed top-10 start-50 translate-middle w-50 z-2 gap-2 z-3`}
+            className={`snackbar alert alert-${type} d-flex align-items-center justify-content-between position-fixed top-10 start-50 translate-middle w-50 gap-2`}
             role='alert'
         >
             <SvgIcon className={icons[type]} />
diff --git a/src/components/UserSettingsModal.jsx b/src/components/UserSettingsModal.jsx
index 73a0828..a2059e3 100644
--- a/src/components/UserSettingsModal.jsx
+++ b/src/components/UserSettingsModal.jsx
@@ -1,40 +1,205 @@
-import React, { useState } from 'react';
-import { useSelector } from 'react-redux';
+import React, { useEffect, useState } from 'react';
+import { useDispatch, useSelector } from 'react-redux';
 import '../styles/style.scss';
+import { updateProfileThunk } from '../store/auth/auth.thunk';
 
-export default function UserSettingsModal({ show, onClose }) {
-    const { user } = useSelector((state) => state.auth);
+// 部门和组别的映射关系
+const departmentGroups = {
+    达人部门: ['达人'],
+    商务部门: ['商务'],
+    样本中心: ['样本'],
+    产品部门: ['产品'],
+    AI自媒体: ['AI自媒体'],
+    HR: ['HR'],
+    技术部门: ['技术'],
+};
+
+function UserSettingsModal({ show, onClose }) {
+    const { user, loading } = useSelector((state) => state.auth);
     const [lastPasswordChange] = useState('30天前'); // This would come from backend in real app
+    const [formData, setFormData] = useState({});
+    // 可选的组别列表
+    const [availableGroups, setAvailableGroups] = useState([]);
+
+    const [submitted, setSubmitted] = useState(false);
+    const [errors, setErrors] = useState({});
+
+    const dispatch = useDispatch();
+
+    useEffect(() => {
+        if (user) {
+            setFormData({
+                name: user.name,
+                email: user.email,
+                department: user.department,
+                group: user.group,
+            });
+        }
+    }, [user]);
+
+    // 当部门变化时更新可用的组别
+    useEffect(() => {
+        if (formData.department && departmentGroups[formData.department]) {
+            setAvailableGroups(departmentGroups[formData.department]);
+        } else {
+            setAvailableGroups([]);
+        }
+    }, [formData.department]);
 
     if (!show) return null;
 
+    const handleInputChange = (e) => {
+        const { name, value } = e.target;
+
+        if (name === 'department') {
+            setFormData({
+                ...formData,
+                [name]: value,
+                ['group']: '',
+            });
+        } else {
+            setFormData({
+                ...formData,
+                [name]: value,
+            });
+        }
+
+        // 清除对应的错误信息
+        if (errors[name]) {
+            setErrors({
+                ...errors,
+                [name]: '',
+            });
+        }
+    };
+
+    const handleSubmit = async (e) => {
+        e.preventDefault();
+        setSubmitted(true);
+
+        if (validateForm()) {
+            console.log('Form submitted successfully!');
+            console.log('Update data:', formData);
+            try {
+                await dispatch(updateProfileThunk(formData)).unwrap();
+            } catch (error) {
+                console.error('Signup failed:', error);
+            }
+        }
+    };
+
+    const validateForm = () => {
+        const newErrors = {};
+        if (!formData.email) {
+            newErrors.email = 'Email is required';
+        } else if (!/^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i.test(formData.email)) {
+            newErrors.email = 'Invalid email address';
+        }
+
+        if (!formData.name) {
+            newErrors.name = 'Name is required';
+        }
+
+        if (!formData.department) {
+            newErrors.department = '请选择部门';
+        }
+
+        if (!formData.group) {
+            newErrors.group = '请选择组别';
+        }
+
+        setErrors(newErrors);
+        return Object.keys(newErrors).length === 0;
+    };
+
     return (
         <div className='modal show d-block' style={{ backgroundColor: 'rgba(0,0,0,0.5)' }}>
             <div className='modal-dialog modal-dialog-centered'>
-                <div className='modal-content'>
+                <form className='modal-content' onSubmit={handleSubmit}>
                     <div className='modal-header border-0'>
-                        <h5 className='modal-title'>管理员个人设置</h5>
+                        <h5 className='modal-title'>个人设置</h5>
                         <button type='button' className='btn-close' onClick={onClose}></button>
                     </div>
                     <div className='modal-body'>
                         <div className='mb-4'>
                             <h6 className='text-secondary mb-3'>个人信息</h6>
                             <div className='mb-3'>
-                                <label className='form-label text-secondary'>姓名</label>
+                                <label className='form-label text-secondary'>用户名</label>
                                 <input type='text' className='form-control' value={user?.username || ''} readOnly />
                             </div>
+                            <div className='mb-3'>
+                                <label className='form-label text-secondary'>姓名</label>
+                                <input
+                                    type='text'
+                                    className='form-control'
+                                    value={formData?.name || ''}
+                                    onChange={handleInputChange}
+                                    disabled={loading}
+                                />
+                                {submitted && errors.name && <div className='invalid-feedback'>{errors.name}</div>}
+                            </div>
                             <div className='mb-3'>
                                 <label className='form-label text-secondary'>邮箱</label>
                                 <input
                                     type='email'
                                     className='form-control'
-                                    value={user?.email || 'admin@ooin.com'}
-                                    readOnly
+                                    value={formData?.email || 'admin@ooin.com'}
+                                    onChange={handleInputChange}
+                                    disabled={loading}
                                 />
+                                {submitted && errors.email && <div className='invalid-feedback'>{errors.email}</div>}
+                            </div>
+                            <div className='mb-3'>
+                                <select
+                                    className={`form-select form-select-lg${
+                                        submitted && errors.department ? ' is-invalid' : ''
+                                    }`}
+                                    id='department'
+                                    name='department'
+                                    value={formData.department}
+                                    onChange={handleInputChange}
+                                    disabled={loading}
+                                    required
+                                >
+                                    <option value='' disabled>
+                                        选择部门
+                                    </option>
+                                    {Object.keys(departmentGroups).map((dept, index) => (
+                                        <option key={index} value={dept}>
+                                            {dept}
+                                        </option>
+                                    ))}
+                                </select>
+                                {submitted && errors.department && (
+                                    <div className='invalid-feedback'>{errors.department}</div>
+                                )}
+                            </div>
+                            <div className='mb-3'>
+                                <select
+                                    className={`form-select form-select-lg${
+                                        submitted && errors.group ? ' is-invalid' : ''
+                                    }`}
+                                    id='group'
+                                    name='group'
+                                    value={formData.group}
+                                    onChange={handleInputChange}
+                                    disabled={loading || !formData.department}
+                                    required
+                                >
+                                    <option value='' disabled>
+                                        {formData.department ? '选择组别' : '请先选择部门'}
+                                    </option>
+                                    {availableGroups.map((group, index) => (
+                                        <option key={index} value={group}>
+                                            {group}
+                                        </option>
+                                    ))}
+                                </select>
+                                {submitted && errors.group && <div className='invalid-feedback'>{errors.group}</div>}
                             </div>
                         </div>
 
-                        <div className='mb-4'>
+                        <div className='d-none mb-4'>
                             <h6 className='text-secondary mb-3'>安全设置</h6>
                             <div className='d-flex justify-content-between align-items-center p-3 bg-light rounded'>
                                 <div>
@@ -58,7 +223,7 @@ export default function UserSettingsModal({ show, onClose }) {
                             </div>
                         </div>
 
-                        <div>
+                        <div className='d-none'>
                             <h6 className='text-secondary mb-3'>通知设置</h6>
                             <div className='form-check form-switch mb-3 dark-switch'>
                                 <input
@@ -87,15 +252,17 @@ export default function UserSettingsModal({ show, onClose }) {
                         </div>
                     </div>
                     <div className='modal-footer border-0'>
-                        <button type='button' className='btn btn-outline-dark' onClick={onClose}>
+                        <button type='button' disabled={loading} className='btn btn-outline-dark' onClick={onClose}>
                             取消
                         </button>
-                        <button type='button' className='btn btn-dark'>
+                        <button type='submit' className='btn btn-dark' disabled={loading}>
                             保存更改
                         </button>
                     </div>
-                </div>
+                </form>
             </div>
         </div>
     );
 }
+
+export default UserSettingsModal;
diff --git a/src/layouts/HeaderWithNav.jsx b/src/layouts/HeaderWithNav.jsx
index a23d0e0..1a923d8 100644
--- a/src/layouts/HeaderWithNav.jsx
+++ b/src/layouts/HeaderWithNav.jsx
@@ -121,11 +121,11 @@ export default function HeaderWithNav() {
                                             transform: 'translate(0px, 34px)',
                                         }}
                                     >
-                                        <li className='d-none'>
+                                        <li>
                                             <Link
                                                 className='dropdown-item'
                                                 to='#'
-                                                // onClick={() => setShowSettings(true)}
+                                                onClick={() => setShowSettings(true)}
                                             >
                                                 个人设置
                                             </Link>
diff --git a/src/pages/KnowledgeBase/Detail/components/KnowledgeBaseForm.jsx b/src/pages/KnowledgeBase/Detail/components/KnowledgeBaseForm.jsx
index 1ed0640..05edc08 100644
--- a/src/pages/KnowledgeBase/Detail/components/KnowledgeBaseForm.jsx
+++ b/src/pages/KnowledgeBase/Detail/components/KnowledgeBaseForm.jsx
@@ -58,7 +58,7 @@ const KnowledgeBaseForm = ({
 
     // 是否显示类型更改按钮
     const showTypeChangeButton = hasTypeChanged || (isAdmin && hasDepartmentOrGroupChanged);
-    
+
     return (
         <div className='card border-0 shadow-sm'>
             <div className='card-body'>
@@ -127,47 +127,46 @@ const KnowledgeBaseForm = ({
                     </div>
 
                     {/* 仅当不是私有知识库时才显示部门选项 */}
-                    {formData.type === 'member' ||
-                        (formData.type === 'leader' && (
-                            <div className='mb-3'>
-                                <label htmlFor='department' className='form-label'>
-                                    部门 {isAdmin && <span className='text-danger'>*</span>}
-                                </label>
-                                {isAdmin ? (
-                                    <>
-                                        <select
-                                            className={`form-select ${formErrors.department ? 'is-invalid' : ''}`}
-                                            id='department'
-                                            name='department'
-                                            value={formData.department || ''}
-                                            onChange={onInputChange}
-                                            disabled={isSubmitting}
-                                        >
-                                            <option value=''>请选择部门</option>
-                                            {departments.map((dept, index) => (
-                                                <option key={index} value={dept}>
-                                                    {dept}
-                                                </option>
-                                            ))}
-                                        </select>
-                                        {formErrors.department && (
-                                            <div className='invalid-feedback'>{formErrors.department}</div>
-                                        )}
-                                    </>
-                                ) : (
-                                    <>
-                                        <input
-                                            type='text'
-                                            className='form-control bg-light'
-                                            id='department'
-                                            name='department'
-                                            value={formData.department || ''}
-                                            readOnly
-                                        />
-                                    </>
-                                )}
-                            </div>
-                        ))}
+                    {(formData.type === 'member' || formData.type === 'leader') && (
+                        <div className='mb-3'>
+                            <label htmlFor='department' className='form-label'>
+                                部门 {isAdmin && <span className='text-danger'>*</span>}
+                            </label>
+                            {isAdmin ? (
+                                <>
+                                    <select
+                                        className={`form-select ${formErrors.department ? 'is-invalid' : ''}`}
+                                        id='department'
+                                        name='department'
+                                        value={formData.department || ''}
+                                        onChange={onInputChange}
+                                        disabled={isSubmitting}
+                                    >
+                                        <option value=''>请选择部门</option>
+                                        {departments.map((dept, index) => (
+                                            <option key={index} value={dept}>
+                                                {dept}
+                                            </option>
+                                        ))}
+                                    </select>
+                                    {formErrors.department && (
+                                        <div className='invalid-feedback'>{formErrors.department}</div>
+                                    )}
+                                </>
+                            ) : (
+                                <>
+                                    <input
+                                        type='text'
+                                        className='form-control bg-light'
+                                        id='department'
+                                        name='department'
+                                        value={formData.department || ''}
+                                        readOnly
+                                    />
+                                </>
+                            )}
+                        </div>
+                    )}
 
                     {/* 仅当不是私有知识库时才显示组别选项 */}
                     {formData.type === 'member' && (
diff --git a/src/services/websocket.js b/src/services/websocket.js
index 9c8e6e4..9902e19 100644
--- a/src/services/websocket.js
+++ b/src/services/websocket.js
@@ -2,7 +2,7 @@ import { addNotification, markNotificationAsRead } from '../store/notificationCe
 import store from '../store/store'; // 修改为默认导出
 
 // 从环境变量获取 API URL
-const API_URL = import.meta.env.VITE_API_URL || '';
+const API_URL = import.meta.env.VITE_API_URL || 'http://81.69.223.133:8008';
 // 将 HTTP URL 转换为 WebSocket URL
 const WS_BASE_URL = API_URL.replace(/^http/, 'ws').replace(/\/api\/?$/, '');
 
diff --git a/src/store/auth/auth.slice.js b/src/store/auth/auth.slice.js
index e5f2bb4..2dc029b 100644
--- a/src/store/auth/auth.slice.js
+++ b/src/store/auth/auth.slice.js
@@ -1,10 +1,9 @@
 import { createSlice } from '@reduxjs/toolkit';
-import { checkAuthThunk, loginThunk, logoutThunk, signupThunk } from './auth.thunk';
+import { checkAuthThunk, loginThunk, logoutThunk, signupThunk, updateProfileThunk } from './auth.thunk';
 
 const setPending = (state) => {
     state.loading = true;
     state.error = null;
-    state.user = null;
 };
 
 const setFulfilled = (state, action) => {
@@ -49,6 +48,16 @@ const authSlice = createSlice({
             .addCase(signupThunk.fulfilled, setFulfilled)
             .addCase(signupThunk.rejected, setRejected)
 
+            .addCase(updateProfileThunk.pending, setPending)
+            .addCase(updateProfileThunk.fulfilled, (state, action) => {
+                state.user = {
+                    ...state.user,
+                    ...action.payload,
+                };
+                state.loading = false;
+            })
+            .addCase(updateProfileThunk.rejected, setRejected)
+
             .addCase(logoutThunk.pending, (state) => {
                 state.loading = true;
                 state.error = null;
diff --git a/src/store/auth/auth.thunk.js b/src/store/auth/auth.thunk.js
index e816d44..7f8091f 100644
--- a/src/store/auth/auth.thunk.js
+++ b/src/store/auth/auth.thunk.js
@@ -1,5 +1,5 @@
 import { createAsyncThunk } from '@reduxjs/toolkit';
-import { get, post } from '../../services/api';
+import { get, post, put } from '../../services/api';
 import { showNotification } from '../notification.slice';
 import { logout } from './auth.slice';
 import CryptoJS from 'crypto-js';
@@ -40,29 +40,29 @@ export const loginThunk = createAsyncThunk(
 export const signupThunk = createAsyncThunk('auth/signup', async (userData, { rejectWithValue, dispatch }) => {
     try {
         // 使用新的注册 API
-        const response = await post('/auth/register/', userData);
-        console.log('注册返回数据:', response);
+        const { data, message, code } = await post('/auth/register/', userData);
+        console.log('注册返回数据:', data);
 
-        // 处理新的返回格式
-        if (response && response.code === 200) {
-            // // 将 token 加密存储到 sessionStorage
-            // const { token } = response.data;
-            // if (token) {
-            //     const encryptedToken = CryptoJS.AES.encrypt(token, secretKey).toString();
-            //     sessionStorage.setItem('token', encryptedToken);
-            // }
+        if (code !== 200) {
+            throw new Error(message);
+        }
+        // 将 token 加密存储到 sessionStorage
+        const { token } = data;
 
-            // 显示注册成功通知
-            dispatch(
-                showNotification({
-                    message: '注册成功',
-                    type: 'success',
-                })
-            );
-            return response.data;
+        if (token) {
+            const encryptedToken = CryptoJS.AES.encrypt(token, secretKey).toString();
+            sessionStorage.setItem('token', encryptedToken);
         }
 
-        return rejectWithValue(response.message || '注册失败');
+        // 显示注册成功通知
+        dispatch(
+            showNotification({
+                message: '注册成功',
+                type: 'success',
+            })
+        );
+
+        return data;
     } catch (error) {
         const errorMessage = error.response?.data?.message || '注册失败，请稍后重试';
         dispatch(
@@ -107,3 +107,33 @@ export const logoutThunk = createAsyncThunk('auth/logout', async (_, { rejectWit
         return rejectWithValue(errorMessage);
     }
 });
+
+// 更新个人资料
+export const updateProfileThunk = createAsyncThunk('auth/updateProfile', async (userData, { rejectWithValue, dispatch }) => {
+    try {
+        const { data, message, code } = await put('/users/profile/', userData);
+
+        if (code !== 200) {
+            throw new Error(message);
+        }
+
+        // 显示更新成功通知
+        dispatch(
+            showNotification({
+                message: '个人信息更新成功',
+                type: 'success',
+            })
+        );
+        
+        return data;
+    } catch (error) {
+        const errorMessage = error.response?.data?.message || '更新失败，请稍后重试';
+        dispatch(
+            showNotification({
+                message: errorMessage,
+                type: 'danger',
+            })
+        );
+        return rejectWithValue(errorMessage);
+    }
+});
\ No newline at end of file
diff --git a/src/styles/style.scss b/src/styles/style.scss
index b815aa5..7cd7833 100644
--- a/src/styles/style.scss
+++ b/src/styles/style.scss
@@ -9,6 +9,7 @@
 
 .snackbar {
     top: 6.5rem;
+    z-index: 9999;
 }
 
 /* Markdown styling in chat messages */