feat: 更新链上地址页面和用户信息组件，优化地址和 UID 显示样式

src/views/onchain-address/index.vue

@@ -30,12 +30,16 @@ const { user } = useAuth();
 
           <div class="ion-text-center address-info">
             <ion-icon :icon="qrCodeOutline" class="qr-code" />
-            <div class="ion-margin-top">
+            <div class="mt-4px">
               <ion-text color="secondary">
-                <div>Onchain address</div>
+                <div class="text-sm">
+                  Onchain address
+                </div>
               </ion-text>
               <ion-text>
-                <div>0x1234567890abcdef1234</div>
+                <div class="mt-4px">
+                  0x1234567890abcdef1234
+                </div>
               </ion-text>
             </div>
           </div>

src/views/user/components/user-info.vue

@@ -15,7 +15,7 @@ const { user } = useAuth();
           {{ user?.email }}
         </div>
         <div class="user-uid">
-          uid: xxxxxxxx <ion-icon :icon="copyOutline" />
+          UID: 95223143 <ion-icon :icon="copyOutline" />
         </div>
       </div>
     </div>