diff --git a/src/common/framework/event.ts b/src/common/framework/event.ts
index 53fdc3aa..ff513c25 100644
--- a/src/common/framework/event.ts
+++ b/src/common/framework/event.ts
@@ -124,9 +124,7 @@ export class NTEventChannel extends EventEmitter {
         EventName = '', timeout: number = 3000, ...args: Parameters<EventType>) {
         return new Promise<Awaited<ReturnType<EventType>>>(async (resolve, reject) => {
             const EventFunc = this.createEventFunction<EventType>(EventName);
-            let complete = false;
             const retData = await EventFunc!(...args);
-            complete = true;
             resolve(retData);
         });
     }