diff --git a/miniprogram/src/pages/user/index.tsx b/miniprogram/src/pages/user/index.tsx
index 79cf15d..a0f272e 100644
--- a/miniprogram/src/pages/user/index.tsx
+++ b/miniprogram/src/pages/user/index.tsx
@@ -307,7 +307,10 @@ export default function UserIndex() {
       {/* Profile Card */}
       <View className='profile-card'>
         <View className='avatar-container' onClick={handleAvatarClick}>
-            <Image src={userInfo?.avatar_url || 'https://via.placeholder.com/150/00b96b/FFFFFF?text=USER'} className='avatar' />
+            <Image 
+                src={userInfo?.avatar_url || `https://api.dicebear.com/7.x/miniavs/svg?seed=${userInfo?.id || 'guest'}`} 
+                className='avatar' 
+            />
             {userInfo && <View className='online-dot' />}
         </View>
         <View className='info-col'>
@@ -341,14 +344,14 @@ export default function UserIndex() {
                 </View>
             )}
 
-            <Text className='uid'>ID: {userInfo ? (userInfo.phone_number || userInfo.id || '----') : '----'}</Text>
+            <Text className='uid'>ID: {userInfo?.phone_number || '未绑定手机号'}</Text>
             {!userInfo?.phone_number && (
                 <View className='login-btns'>
                     <Button 
                         className='btn-login primary' 
                         onClick={() => setShowLoginModal(true)}
                     >
-                        立即登录
+                        {userInfo ? '绑定手机号' : '立即登录'}
                     </Button>
                 </View>
             )}