fix: 19768 内容找不到了默认缺省页，顶部缺少分割线，左下角缺少返回按钮，见截图

@@ -338,8 +338,7 @@ export struct SpacialTopicPageComponent {
       // WindowModel.shared.setWindowLayoutFullScreen(true)
       // WindowModel.shared.setWindowLayoutFullScreen(true)
     }
     }
     this.webUrl = this.action?.params?.url || ''
     this.webUrl = this.action?.params?.url || ''
-    // this.isNetConnected = NetworkUtil.isNetConnected()
-    this.isNetConnected = false;
+    this.isNetConnected = NetworkUtil.isNetConnected()
     // this.getDetail()
     // this.getDetail()
   }
   }