diff --git a/source/dnode/vnode/src/vnd/vnodeOpen.c b/source/dnode/vnode/src/vnd/vnodeOpen.c
index e1f76b3a25..de1f0bca09 100644
--- a/source/dnode/vnode/src/vnd/vnodeOpen.c
+++ b/source/dnode/vnode/src/vnd/vnodeOpen.c
@@ -485,21 +485,25 @@ SVnode *vnodeOpen(const char *path, int32_t diskPrimary, STfs *pTfs, SMsgCb msgC
   snprintf(pVnode->monitor.strVgId, TSDB_VGROUP_ID_LEN, "%"PRId32, pVnode->config.vgId);
 
   if(pVnode->monitor.insertCounter == NULL){
-    int32_t label_count = 7;
-    const char *sample_labels[] = {VNODE_METRIC_TAG_NAME_SQL_TYPE, VNODE_METRIC_TAG_NAME_CLUSTER_ID,
-                                   VNODE_METRIC_TAG_NAME_DNODE_ID, VNODE_METRIC_TAG_NAME_DNODE_EP,
-                                   VNODE_METRIC_TAG_NAME_VGROUP_ID, VNODE_METRIC_TAG_NAME_USERNAME,
-                                   VNODE_METRIC_TAG_NAME_RESULT};
-    taos_counter_t *counter = taos_counter_new(VNODE_METRIC_SQL_COUNT, "counter for insert sql",  
-                                                label_count, sample_labels);
-    vInfo("vgId:%d, new metric:%p",TD_VID(pVnode), counter);
-    if(taos_collector_registry_register_metric(counter) == 1){
-      taos_counter_destroy(counter);
-      counter = taos_collector_registry_get_metric(VNODE_METRIC_SQL_COUNT);
-      vInfo("vgId:%d, get metric from registry:%p",TD_VID(pVnode), counter);
+    taos_counter_t *counter = NULL;
+    counter = taos_collector_registry_get_metric(VNODE_METRIC_SQL_COUNT);
+    if(counter == NULL){
+      int32_t label_count = 7;
+      const char *sample_labels[] = {VNODE_METRIC_TAG_NAME_SQL_TYPE, VNODE_METRIC_TAG_NAME_CLUSTER_ID,
+                                    VNODE_METRIC_TAG_NAME_DNODE_ID, VNODE_METRIC_TAG_NAME_DNODE_EP,
+                                    VNODE_METRIC_TAG_NAME_VGROUP_ID, VNODE_METRIC_TAG_NAME_USERNAME,
+                                    VNODE_METRIC_TAG_NAME_RESULT};
+      counter = taos_counter_new(VNODE_METRIC_SQL_COUNT, "counter for insert sql",  
+                                                  label_count, sample_labels);
+      vInfo("vgId:%d, new metric:%p",TD_VID(pVnode), counter);
+      if(taos_collector_registry_register_metric(counter) == 1){
+        taos_counter_destroy(counter);
+        counter = taos_collector_registry_get_metric(VNODE_METRIC_SQL_COUNT);
+        vInfo("vgId:%d, get metric from registry:%p",TD_VID(pVnode), counter);
+      }
+      pVnode->monitor.insertCounter = counter;
+      vInfo("vgId:%d, succeed to set metric:%p",TD_VID(pVnode), counter);      
     }
-    pVnode->monitor.insertCounter = counter;
-    vInfo("vgId:%d, succeed to set metric:%p",TD_VID(pVnode), counter);
   }
 
   return pVnode;