diff --git a/src/kubernetes/pods.go b/src/kubernetes/pods.go
index ab1174c2..71e32920 100644
--- a/src/kubernetes/pods.go
+++ b/src/kubernetes/pods.go
@@ -34,7 +34,7 @@ func (kc *KubeCtl) DeletePod(name string) error {
 	return kc.Clientset.CoreV1().Pods(kc.Namespace).Delete(name, &options)
 }
 
-func (kc *KubeCtl) DoesPodCompleted(pod *corev1.Pod) bool {
+func (kc *KubeCtl) IsPodCompleted(pod *corev1.Pod) bool {
 	switch pod.Status.Phase {
 	case corev1.PodRunning, corev1.PodPending:
 		return false
diff --git a/src/kubernetes/pods_test.go b/src/kubernetes/pods_test.go
index 75d6a859..1b4997b0 100644
--- a/src/kubernetes/pods_test.go
+++ b/src/kubernetes/pods_test.go
@@ -109,10 +109,10 @@ func (suite *KubeCtlPodTestSuite) TestDoesPodCompleted() {
 		suite.NoError(err)
 	}
 
-	run := suite.kubectl.DoesPodCompleted(&pods[0])
+	run := suite.kubectl.IsPodCompleted(&pods[0])
 	suite.False(run)
 
-	run = suite.kubectl.DoesPodCompleted(&pods[1])
+	run = suite.kubectl.IsPodCompleted(&pods[1])
 	suite.True(run)
 }
 
diff --git a/src/volume/volume.go b/src/volume/volume.go
index 5db76c30..cb958a1f 100644
--- a/src/volume/volume.go
+++ b/src/volume/volume.go
@@ -64,7 +64,7 @@ func DeleteVolume(sp *serviceprovider.Container, volume *entity.Volume) error {
 	pods := []entity.Pod{}
 	err := session.FindAll(entity.PodCollectionName, bson.M{"volumes.name": volume.Name}, &pods)
 	if err != nil {
-		return fmt.Errorf("Load the database fail:%v", err)
+		return fmt.Errorf("load the database fail:%v", err)
 	}
 
 	usedPod := []string{}
@@ -75,13 +75,13 @@ func DeleteVolume(sp *serviceprovider.Container, volume *entity.Volume) error {
 			continue
 		}
 
-		if !sp.KubeCtl.DoesPodCompleted(currentPod) {
+		if !sp.KubeCtl.IsPodCompleted(currentPod) {
 			usedPod = append(usedPod, pod.Name)
 		}
 	}
 	if len(usedPod) != 0 {
 		podNames := strings.Join(usedPod, ",")
-		return fmt.Errorf("Delete the volume [%s] fail, since the followings pods still ust it: %s", volume.Name, podNames)
+		return fmt.Errorf("delete the volume [%s] fail, since the followings pods still ust it: %s", volume.Name, podNames)
 	}
 
 	return sp.KubeCtl.DeletePVC(volume.GetPVCName())