添加系统信息卡片

pages/profile/index.wxml

@@ -101,21 +101,16 @@
     </view>
   </view>
     
-  <view class="card" wx:if="{{false}}">
-    <view class="title">身份管理</view>
-    <button 
-      class="btn" 
-      style="background-color: {{userType === 'buyer' || userType === 'both' ? '#888' : '#07c160'}}; color: white;"
-      bindtap="setAsBuyer"
-    >
-      {{userType === 'buyer' || userType === 'both' ? '已设为买家' : '设为买家'}}
-    </button>
-    <button 
-      class="btn" 
-      style="background-color: {{userType === 'seller' || userType === 'both' ? '#888' : '#1677ff'}}; color: white;"
-      bindtap="setAsSeller"
-    >
-      {{userType === 'seller' || userType === 'both' ? '已设为卖家' : '设为卖家'}}
-    </button>
+  <!-- 版本信息 -->
+  <view class="card">
+    <view class="title">系统信息</view>
+    <view style="padding: 20rpx 0;">
+      <view style="font-size: 26rpx; color: #333; margin-bottom: 16rpx;">
+        当前版本：{{versionInfo.version || '2.6.10'}}
+      </view>
+      <view style="font-size: 26rpx; color: #333; margin-bottom: 16rpx;">
+        上次更新：{{versionInfo.lastUpdate || '2026-02-8'}}
+      </view>
+    </view>
   </view>
 </view>