diff --git a/pkg/clustercache/controller.go b/pkg/clustercache/controller.go
index f879323d6..972808676 100644
--- a/pkg/clustercache/controller.go
+++ b/pkg/clustercache/controller.go
@@ -216,6 +216,7 @@ func (h *clusterCache) List(gvr schema2.GroupVersionResource) []interface{} {
 }
 
 func (h *clusterCache) start() {
+	defer h.workqueue.ShutDown()
 	for {
 		eventObj, ok := h.workqueue.Get()
 		if ok {
@@ -235,18 +236,22 @@ func (h *clusterCache) start() {
 			_, err := callAll(h.changeHandlers.List(), event.gvr, key, event.obj, event.oldObj)
 			if err != nil {
 				logrus.Errorf("failed to handle add event: %v", err)
+				h.workqueue.AddAfter(eventObj, 5*time.Second)
 			}
 		} else if event.add {
 			_, err := callAll(h.addHandlers.List(), event.gvr, key, event.obj, nil)
 			if err != nil {
 				logrus.Errorf("failed to handle add event: %v", err)
+				h.workqueue.AddAfter(eventObj, 5*time.Second)
 			}
 		} else {
 			_, err := callAll(h.removeHandlers.List(), event.gvr, key, event.obj, nil)
 			if err != nil {
 				logrus.Errorf("failed to handle remove event: %v", err)
+				h.workqueue.AddAfter(eventObj, 5*time.Second)
 			}
 		}
+		h.workqueue.Done(eventObj)
 	}
 }