diff --git a/src/app/pages/plan/plan.component.ts b/src/app/pages/plan/plan.component.ts
index 361a8a5..3f90992 100644
--- a/src/app/pages/plan/plan.component.ts
+++ b/src/app/pages/plan/plan.component.ts
@@ -83,7 +83,7 @@ export class PlanComponent implements OnInit {
     })
     //监听 delete键盘事件
     this.game.scene.onBeforeRenderObservable.add(() => {
-      PlanComponent.instance.ngAfterViewCheckedA();
+      PlanComponent.instance.onUpdate();
     })
   }
 
@@ -130,9 +130,9 @@ export class PlanComponent implements OnInit {
   }
 
   /**
-   * 视图检测改变之后
+   * 三维渲染前（每帧调用）
    */
-  ngAfterViewCheckedA() {
+  onUpdate() {
     let currentTime = new Date().getTime();
     let space = currentTime - this.lasteUpdateTime;
     if (space < this.c_frameSpace) {