fix: when the server component path is wrong, a blank interface is still displayed (#4567)

packages/effects/layouts/src/basic/content/content.vue

@@ -53,13 +53,20 @@ function transformComponent(
   component: VNode,
   route: RouteLocationNormalizedLoadedGeneric,
 ) {
+  // 组件视图未找到，如果有设置后备视图，则返回后备视图，如果没有，则抛出错误
+  if (!component) {
+    console.error(
+      'Component view not found，please check the route configuration',
+    );
+    return undefined;
+  }
+
   const routeName = route.name as string;
   // 如果组件没有 name，则直接返回
   if (!routeName) {
     return component;
   }
-
-  const componentName = (component.type as any).name;
+  const componentName = (component?.type as any)?.name;
 
   // 已经设置过 name，则直接返回
   if (componentName) {