diff --git a/app/modules/prover/lib/engine.ts b/app/modules/prover/lib/engine.ts
index 6ab1ca6458f52047e3e2dfa2548b1fd73f316ed9..0f42ec11ea6b866fe929f0d690232134fd4cea97 100644
--- a/app/modules/prover/lib/engine.ts
+++ b/app/modules/prover/lib/engine.ts
@@ -33,7 +33,7 @@ export class PowEngine {
   }
 
   async prove(stuff:any) {
-    await this.cluster.cancelWork()
+    this.cluster.cancelWork()
     return await this.cluster.proveByWorkers(stuff)
   }