diff --git a/api/proxy.go b/api/proxy.go
index 92d8eef..3b124bc 100644
--- a/api/proxy.go
+++ b/api/proxy.go
@@ -338,7 +338,7 @@ func serverPrint(items []interface{}) interface{} {
 	indexMap := map[string]int{}
 	for i, item := range items {
 		if oo, ok := item.(v1.Object); ok {
-			indexesStr := oo.GetAnnotations()["anno.dsm.daocloud.io/indexes"]
+			indexesStr := oo.GetAnnotations()[constants.IndexAnno]
 			if len(indexesStr) == 0 {
 				continue
 			}
diff --git a/common/constants/ckube.go b/common/constants/ckube.go
index ed9c777..82abf0b 100644
--- a/common/constants/ckube.go
+++ b/common/constants/ckube.go
@@ -11,6 +11,7 @@ const (
 	SearchPartsSep       = ';'
 	DSMClusterAnno       = "ckube.doacloud.io/cluster"
 	ClusterPrefix        = "dsm-cluster-"
+	IndexAnno            = "ckube.daocloud.io/indexes"
 )
 
 var (
@@ -24,4 +25,5 @@ var (
 	_ = SearchPartsSep
 	_ = DSMClusterAnno
 	_ = ClusterPrefix
+	_ = IndexAnno
 )
diff --git a/store/memory/memory.go b/store/memory/memory.go
index f29f474..dd2079c 100644
--- a/store/memory/memory.go
+++ b/store/memory/memory.go
@@ -357,7 +357,7 @@ func (m *memoryStore) buildResourceWithIndex(gvr store.GroupVersionResource, clu
 		}
 		anno := oo.GetAnnotations()
 		index, _ := json.Marshal(s.Index)
-		anno["anno.dsm.daocloud.io/indexes"] = string(index) // todo constants
+		anno[constants.IndexAnno] = string(index) // todo constants
 		oo.SetAnnotations(anno)
 		s.Obj = oo
 	}
diff --git a/store/memory/memory_test.go b/store/memory/memory_test.go
index 4ddf148..2f44b53 100644
--- a/store/memory/memory_test.go
+++ b/store/memory/memory_test.go
@@ -79,6 +79,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "test",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test1\",\"namespace\":\"test\",\"uid\":\"test\"}",
 						},
 					},
 				}),
@@ -117,6 +118,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "test",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test2\",\"namespace\":\"test\",\"uid\":\"test\"}",
 						},
 					},
 				}),
@@ -160,6 +162,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "test",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"hello\",\"namespace\":\"test\",\"uid\":\"test\"}",
 						},
 					},
 				}, &v1.Pod{
@@ -169,6 +172,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "test",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"llo\",\"namespace\":\"test\",\"uid\":\"test\"}",
 						},
 					},
 				}),
@@ -212,6 +216,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "test",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"llo\",\"namespace\":\"test\",\"uid\":\"test\"}",
 						},
 					},
 				}),
@@ -288,6 +293,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "test",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"hello\",\"namespace\":\"test\",\"uid\":\"test\"}",
 						},
 					},
 				}, &v1.Pod{
@@ -297,6 +303,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "test",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"l1lo\",\"namespace\":\"test\",\"uid\":\"test\"}",
 						},
 					},
 				}),
@@ -394,6 +401,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "1",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test5\",\"namespace\":\"test\",\"uid\":\"1\"}",
 						},
 					},
 				}, &v1.Pod{
@@ -403,6 +411,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "2",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test1\",\"namespace\":\"test\",\"uid\":\"2\"}",
 						},
 					},
 				}, &v1.Pod{
@@ -412,6 +421,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "3",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test3\",\"namespace\":\"test\",\"uid\":\"3\"}",
 						},
 					},
 				}),
@@ -455,6 +465,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "3",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test3\",\"namespace\":\"test\",\"uid\":\"3\"}",
 						},
 					},
 				}, &v1.Pod{
@@ -464,6 +475,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "2",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test1\",\"namespace\":\"test\",\"uid\":\"2\"}",
 						},
 					},
 				}, &v1.Pod{
@@ -473,6 +485,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "1",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test5\",\"namespace\":\"test\",\"uid\":\"1\"}",
 						},
 					},
 				}),
@@ -543,6 +556,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "3",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test3\",\"namespace\":\"test\",\"uid\":\"3\"}",
 						},
 					},
 				}, &v1.Pod{
@@ -552,6 +566,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "2",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test1\",\"namespace\":\"test\",\"uid\":\"2\"}",
 						},
 					},
 				}, &v1.Pod{
@@ -561,6 +576,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "1",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test5\",\"namespace\":\"test1\",\"uid\":\"1\"}",
 						},
 					},
 				}),
@@ -604,6 +620,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "2",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test5\",\"namespace\":\"test\",\"uid\":\"2\"}",
 						},
 					},
 				}, &v1.Pod{
@@ -613,6 +630,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "3",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test3\",\"namespace\":\"test\",\"uid\":\"3\"}",
 						},
 					},
 				}, &v1.Pod{
@@ -622,6 +640,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "11",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test1\",\"namespace\":\"test\",\"uid\":\"11\"}",
 						},
 					},
 				}),
@@ -692,6 +711,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "3",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test3\",\"namespace\":\"test\",\"uid\":\"3\"}",
 						},
 					},
 				}, &v1.Pod{
@@ -701,6 +721,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "11",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test1\",\"namespace\":\"test\",\"uid\":\"11\"}",
 						},
 					},
 				}, &v1.Pod{
@@ -710,6 +731,7 @@ func TestMemoryStore_Query(t *testing.T) {
 						UID:       "20",
 						Annotations: map[string]string{
 							constants.DSMClusterAnno: "",
+							constants.IndexAnno:      "{\"cluster\":\"\",\"is_deleted\":\"false\",\"name\":\"test13\",\"namespace\":\"test1\",\"uid\":\"20\"}",
 						},
 					},
 				}),