diff --git a/kernel/api/graph.go b/kernel/api/graph.go
index 5f18ef11c..8b012f09c 100644
--- a/kernel/api/graph.go
+++ b/kernel/api/graph.go
@@ -59,8 +59,13 @@ func getGraph(c *gin.Context) {
 		return
 	}
 
-	query := arg["k"].(string)
+	reqId := arg["reqId"]
+	ret.Data = map[string]interface{}{"reqId": reqId}
+	if nil == arg["id"] {
+		return
+	}
 
+	query := arg["k"].(string)
 	graphConf, err := gulu.JSON.MarshalJSON(arg["conf"])
 	if nil != err {
 		ret.Code = -1
@@ -98,6 +103,12 @@ func getLocalGraph(c *gin.Context) {
 		return
 	}
 
+	reqId := arg["reqId"]
+	ret.Data = map[string]interface{}{"reqId": reqId}
+	if nil == arg["id"] {
+		return
+	}
+
 	keyword := arg["k"].(string)
 	id := arg["id"].(string)
 
diff --git a/kernel/api/search.go b/kernel/api/search.go
index 4a3bb2468..1fe8a0315 100644
--- a/kernel/api/search.go
+++ b/kernel/api/search.go
@@ -154,6 +154,12 @@ func searchRefBlock(c *gin.Context) {
 		return
 	}
 
+	reqId := arg["reqId"]
+	ret.Data = map[string]interface{}{"reqId": reqId}
+	if nil == arg["id"] {
+		return
+	}
+
 	rootID := arg["rootID"].(string)
 	id := arg["id"].(string)
 	keyword := arg["k"].(string)