fix test error (#440)

diff --git a/app/horus/core/horuser/pod_evict.go b/app/horus/core/horuser/pod_evict.go
index 3b63de8..573d227 100644
--- a/app/horus/core/horuser/pod_evict.go
+++ b/app/horus/core/horuser/pod_evict.go
@@ -45,7 +45,7 @@
 		PropagationPolicy:  &propagationPolicy,
 	})
 	if err != nil {
-		klog.Error("pod Evict delete failed err:%v", err)
+		klog.Errorf("pod Evict delete failed err:%v", err)
 		klog.Infof("clusterName:%v\n podName:%v\n podNamespace:%v\n", clusterName, podName, podNamespace)
 		return err
 	}