diff --git a/internal/proxy/task_scheduler.go b/internal/proxy/task_scheduler.go
index 34d54d249d..a8f3e14017 100644
--- a/internal/proxy/task_scheduler.go
+++ b/internal/proxy/task_scheduler.go
@@ -482,7 +482,7 @@ func (sched *taskScheduler) definitionLoop() {
 		case <-sched.ddQueue.utChan():
 			if !sched.ddQueue.utEmpty() {
 				t := sched.scheduleDdTask()
-				go sched.processTask(t, sched.ddQueue)
+				sched.processTask(t, sched.ddQueue)
 			}
 		}
 	}