diff --git a/go.mod b/go.mod
index e317e16e7b71a0697f97d9fe3ad80a604bc01930..a3a379d607090a551a891810165de9d8f096d01e 100644
--- a/go.mod
+++ b/go.mod
@@ -93,6 +93,7 @@ require (
 	k8s.io/klog/v2 v2.0.0
 	k8s.io/kube-openapi v0.0.0-20200410145947-61e04a5be9a6
 	k8s.io/kubectl v0.18.6
+	k8s.io/kubernetes v1.14.0
 	k8s.io/utils v0.0.0-20200603063816-c1c6865ac451
 	openpitrix.io/openpitrix v0.4.9-0.20200611125425-ae07f141e797
 	sigs.k8s.io/application v0.8.4-0.20201016185654-c8e2959e57a0
diff --git a/go.sum b/go.sum
index 3199dd2a25a76f586b1931286e2bc833fd0ff645..5dfde1ecd0941cc2f936d19f303f70db6ef36f5d 100644
--- a/go.sum
+++ b/go.sum
@@ -770,6 +770,17 @@ k8s.io/kubectl v0.18.6/go.mod h1:3TLzFOrF9h4mlRPAvdNkDbs5NWspN4e0EnPnEB41CGo=
 k8s.io/metrics v0.18.6/go.mod h1:iAwGeabusQNO3duHDM7BBExTUB8L+iq8PM7N9EtQw6g=
 k8s.io/utils v0.0.0-20200603063816-c1c6865ac451 h1:v8ud2Up6QK1lNOKFgiIVrZdMg7MpmSnvtrOieolJKoE=
 k8s.io/utils v0.0.0-20200603063816-c1c6865ac451/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
+k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a h1:UcxjrRMyNx/i/y8G7kPvLyy7rfbeuf1PYyBf973pgyU=
+k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
+k8s.io/kubectl v0.17.3 h1:9HHYj07kuFkM+sMJMOyQX29CKWq4lvKAG1UIPxNPMQ4=
+k8s.io/kubectl v0.17.3/go.mod h1:NUn4IBY7f7yCMwSop2HCXlw/MVYP4HJBiUmOR3n9w28=
+k8s.io/kubernetes v1.14.0 h1:6T2iAEoOYQnzQb3WvPlUkcczEEXZ7+YPlAO8olwujRw=
+k8s.io/kubernetes v1.14.0/go.mod h1:ocZa8+6APFNC2tX1DZASIbocyYT5jHzqFVsY5aoB7Jk=
+k8s.io/metrics v0.17.3/go.mod h1:HEJGy1fhHOjHggW9rMDBJBD3YuGroH3Y1pnIRw9FFaI=
+k8s.io/utils v0.0.0-20191114184206-e782cd3c129f h1:GiPwtSzdP43eI1hpPCbROQCCIgCuiMMNF8YUVLF3vJo=
+k8s.io/utils v0.0.0-20191114184206-e782cd3c129f/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
+kubesphere.io/application v1.0.0 h1:1H9HOb2OryNdrlUqrrhqtKC+IWmeE1rUsjrtcgKczEk=
+kubesphere.io/application v1.0.0/go.mod h1:Mv+ht9RE/QNtITYCzRbt3XTIN6t6so6cInmiyg6wOIg=
 kubesphere.io/im v0.1.0 h1:Isu/WBOawUb4fzSlQeD1f6Vbq9pqFS0PmDg8v8iFYaY=
 kubesphere.io/im v0.1.0/go.mod h1:DHJj/JngMUFyaXecLjBPXj/zk5Oi7ifIixLRp0qJkyA=
 openpitrix.io/iam v0.1.0 h1:cb1mCusim7EGeoXEfuaVa1m7Co/pzim3keoxxKdv944=
diff --git a/pkg/apis/devops/v1alpha3/pipeline_types.go b/pkg/apis/devops/v1alpha3/pipeline_types.go
index 61478d2afafb35bfc32c29cc4abdaccf1342862a..25f4282baa7eb6ce2190e35dbf8ef017498894d5 100644
--- a/pkg/apis/devops/v1alpha3/pipeline_types.go
+++ b/pkg/apis/devops/v1alpha3/pipeline_types.go
@@ -30,6 +30,7 @@ const (
 	ResourceSingularPipeline  = "pipeline"
 	ResourcePluralPipeline    = "pipelines"
 	PipelinePrefix            = "pipeline.devops.kubesphere.io/"
+	PipelineSpecHash          = PipelinePrefix + "spechash"
 	PipelineSyncStatusAnnoKey = PipelinePrefix + "syncstatus"
 	PipelineSyncTimeAnnoKey   = PipelinePrefix + "synctime"
 	PipelineSyncMsgAnnoKey    = PipelinePrefix + "syncmsg"
diff --git a/pkg/controller/pipeline/pipeline_controller.go b/pkg/controller/pipeline/pipeline_controller.go
index c176e707e9887a940ba8fb1567fd4545156ffcb9..a9df2efdefa94def1c0659ba64b0facace8314ac 100644
--- a/pkg/controller/pipeline/pipeline_controller.go
+++ b/pkg/controller/pipeline/pipeline_controller.go
@@ -20,9 +20,11 @@ import (
 	"context"
 	"fmt"
 	"github.com/emicklei/go-restful"
+	"hash/fnv"
 	v1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/rand"
 	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	"k8s.io/apimachinery/pkg/util/wait"
 	corev1informer "k8s.io/client-go/informers/core/v1"
@@ -34,6 +36,7 @@ import (
 	"k8s.io/client-go/tools/record"
 	"k8s.io/client-go/util/workqueue"
 	"k8s.io/klog"
+	hashutil "k8s.io/kubernetes/pkg/util/hash"
 	devopsv1alpha3 "kubesphere.io/kubesphere/pkg/apis/devops/v1alpha3"
 	kubesphereclient "kubesphere.io/kubesphere/pkg/client/clientset/versioned"
 	devopsinformers "kubesphere.io/kubesphere/pkg/client/informers/externalversions/devops/v1alpha3"
@@ -229,9 +232,21 @@ func (c *Controller) syncHandler(key string) error {
 	copyPipeline := pipeline.DeepCopy()
 	// DeletionTimestamp.IsZero() means copyPipeline has not been deleted.
 	if copyPipeline.ObjectMeta.DeletionTimestamp.IsZero() {
+		// make sure Annotations is not nil
+		if copyPipeline.Annotations == nil {
+			copyPipeline.Annotations = map[string]string{}
+		}
+
 		//If the sync is successful, return handle
-		if state, ok := pipeline.Annotations[devopsv1alpha3.PipelineSyncStatusAnnoKey]; ok && state == modelsdevops.StatusSuccessful {
-			return nil
+		if state, ok := copyPipeline.Annotations[devopsv1alpha3.PipelineSyncStatusAnnoKey]; ok && state == modelsdevops.StatusSuccessful {
+			specHash := computeHash(copyPipeline.Spec)
+			oldHash, _ := copyPipeline.Annotations[devopsv1alpha3.PipelineSpecHash] // don't need to check if it's nil, only compare if they're different
+			if specHash == oldHash {
+				// it was synced successfully, and there's any change with the Pipeline spec, skip this round
+				return nil
+			} else {
+				copyPipeline.Annotations[devopsv1alpha3.PipelineSpecHash] = specHash
+			}
 		}
 
 		// https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definitions/#finalizers
@@ -261,9 +276,6 @@ func (c *Controller) syncHandler(key string) error {
 		}
 
 		//If there is no early return, then the sync is successful.
-		if copyPipeline.Annotations == nil {
-			copyPipeline.Annotations = map[string]string{}
-		}
 		copyPipeline.Annotations[devopsv1alpha3.PipelineSyncStatusAnnoKey] = modelsdevops.StatusSuccessful
 	} else {
 		// Finalizers processing logic
@@ -306,6 +318,12 @@ func (c *Controller) syncHandler(key string) error {
 	return nil
 }
 
+func computeHash(obj interface{}) string {
+	hasher := fnv.New32a()
+	hashutil.DeepHashObject(hasher, obj)
+	return rand.SafeEncodeString(fmt.Sprint(hasher.Sum32()))
+}
+
 func isDevOpsProjectAdminNamespace(namespace *v1.Namespace) bool {
 	_, ok := namespace.Labels[constants.DevOpsProjectLabelKey]