feat: 添加认证服务模块，包括注册、登录、OAuth、令牌管理及密码更新功能，并新增密码修改组件。

src/components/settings/ChangePassword/ChangePassword.tsx

@@ -1,6 +1,6 @@
-import { useState } from 'react';
+import { useState, useEffect } from 'react';
 import { Icon } from '@iconify/react';
-import { updatePassword } from '../../../services/authService';
+import { updatePassword, getCurrentUser, type User } from '../../../services/authService';
 import './ChangePassword.css';
 
 /**
@@ -8,12 +8,26 @@ import './ChangePassword.css';
  * Allows users to change their login password
  */
 function ChangePassword() {
+    const [user, setUser] = useState<User | null>(null);
     const [oldPassword, setOldPassword] = useState('');
     const [newPassword, setNewPassword] = useState('');
     const [confirmPassword, setConfirmPassword] = useState('');
     const [loading, setLoading] = useState(false);
     const [message, setMessage] = useState<{ type: 'success' | 'error'; text: string } | null>(null);
 
+    useEffect(() => {
+        loadUser();
+    }, []);
+
+    const loadUser = async () => {
+        try {
+            const userData = await getCurrentUser();
+            setUser(userData);
+        } catch (error) {
+            console.error('Failed to load user info', error);
+        }
+    };
+
     const handleSubmit = async (e: React.FormEvent) => {
         e.preventDefault();
 
@@ -28,7 +42,7 @@ function ChangePassword() {
             return;
         }
 
-        if (oldPassword === newPassword) {
+        if (user?.has_password && oldPassword === newPassword) {
             setMessage({ type: 'error', text: '新密码不能与旧密码相同' });
             return;
         }
@@ -37,28 +51,35 @@ function ChangePassword() {
         setMessage(null);
 
         try {
-            await updatePassword(oldPassword, newPassword);
-            setMessage({ type: 'success', text: '登录密码修改成功' });
+            // If user has no password, send empty string as old password
+            await updatePassword(user?.has_password ? oldPassword : '', newPassword);
+            setMessage({ type: 'success', text: user?.has_password ? '登录密码修改成功' : '登录密码设置成功' });
+
             // Clear forms
             setOldPassword('');
             setNewPassword('');
             setConfirmPassword('');
+
+            // Refresh user info to update has_password status
+            loadUser();
         } catch (error) {
             setMessage({
                 type: 'error',
-                text: error instanceof Error ? error.message : '修改密码失败，请检查旧密码是否正确'
+                text: error instanceof Error ? error.message : '操作失败'
             });
         } finally {
             setLoading(false);
         }
     };
 
+    const hasPassword = user?.has_password ?? false;
+
     return (
         <div className="change-password-settings">
             <section className="password-section">
                 <h3>
                     <Icon icon="solar:lock-password-bold-duotone" className="text-primary" />
-                    登录密码
+                    {hasPassword ? '修改登录密码' : '设置登录密码'}
                 </h3>
 
                 {message && (
@@ -69,21 +90,23 @@ function ChangePassword() {
                 )}
 
                 <form onSubmit={handleSubmit} className="password-form">
-                    <div className="form-group">
-                        <label htmlFor="login-old-password">当前密码</label>
-                        <input
-                            type="password"
-                            id="login-old-password"
-                            value={oldPassword}
-                            onChange={(e) => setOldPassword(e.target.value)}
-                            placeholder="输入当前使用的登录密码"
-                            disabled={loading}
-                            required
-                        />
-                    </div>
+                    {hasPassword && (
+                        <div className="form-group">
+                            <label htmlFor="login-old-password">当前密码</label>
+                            <input
+                                type="password"
+                                id="login-old-password"
+                                value={oldPassword}
+                                onChange={(e) => setOldPassword(e.target.value)}
+                                placeholder="输入当前使用的登录密码"
+                                disabled={loading}
+                                required
+                            />
+                        </div>
+                    )}
 
                     <div className="form-group">
-                        <label htmlFor="login-new-password">新密码</label>
+                        <label htmlFor="login-new-password">{hasPassword ? '新密码' : '设置密码'}</label>
                         <input
                             type="password"
                             id="login-new-password"
@@ -113,11 +136,11 @@ function ChangePassword() {
                     <button type="submit" disabled={loading} className="password-btn">
                         {loading ? (
                             <>
-                                <Icon icon="line-md:loading-loop" /> 修改中...
+                                <Icon icon="line-md:loading-loop" /> {hasPassword ? '修改中...' : '设置中...'}
                             </>
                         ) : (
                             <>
-                                <Icon icon="solar:check-read-bold" /> 修改密码
+                                <Icon icon="solar:check-read-bold" /> {hasPassword ? '修改密码' : '设置密码'}
                             </>
                         )}
                     </button>
@@ -130,6 +153,7 @@ function ChangePassword() {
                     <li>使用包含字母、数字和符号的强密码</li>
                     <li>不要使用与其他网站相同的密码</li>
                     <li>定期更换密码可以提高账户安全性</li>
+                    {!hasPassword && <li>设置密码后，您可以使用邮箱和密码登录，也可以继续使用第三方账号登录</li>}
                 </ul>
             </div>
         </div>

src/services/authService.ts

@@ -17,6 +17,7 @@ export interface User {
   username: string;
   avatar?: string;
   is_active: boolean;
+  has_password?: boolean;
   created_at: string;
   updated_at: string;
 }