修复页面生成导致显示错误bug

lib/util/widget_factory.dart

@@ -37,7 +37,7 @@ class WidgetFactory {
       creater = widgetCreaters[name];
       List<Widget> result = [];
 //      if (type == WidgetType.normal)
-        result = creater.createWidgets(model);
+      result = creater.createWidgets(model);
 //      else
 //        result = creater.createSkeleton(model);
       if (isSliver) {
@@ -50,21 +50,29 @@ class WidgetFactory {
         }
       } else {
         if (creater.isSliverChild()) {
-          return _createEmpty();
+          return _createEmpty(isSliver);
         } else {
           return result;
         }
       }
     }
-    return _createEmpty();
+    return _createEmpty(isSliver);
   }
 
-  static List<Widget> _createEmpty() {
+  static List<Widget> _createEmpty(bool isSliver) {
     const bool inProduction = const bool.fromEnvironment("dart.vm.product");
     if (!inProduction) {
-      return [];
+      return isSliver
+          ? [
+              SliverToBoxAdapter(
+                child: Container(),
+              )
+            ]
+          : [];
     } else {
-      return [EmptyPage()];
+      return isSliver
+          ? [SliverToBoxAdapter(child: EmptyPage())]
+          : [EmptyPage()];
     }
   }