[完善]修复报错

src/app/ui/collection-tools/examinationQuestions.ts

@@ -23,8 +23,8 @@ export class examinationQuestions {
     ngOnInit(): void {
       console.log(this.data.treeData)
     }
-    nzEvent($event,key){
+    nzEvent($event){
-
+      
     }
     //提交
     submit () {