diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index c4aa5c6428..a7179ae033 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -1620,7 +1620,7 @@ _exit:
     int32_t label_count =1;
     const char *sample_labels[] = {"vgid"};
     insert_counter = taos_counter_new("insert_counter", "counter for insert sql",  label_count, sample_labels);
-    insert_counter = taos_collector_registry_must_register_metric(insert_counter);
+    taos_collector_registry_must_register_metric(insert_counter);
   }
 
   char vgId[50];
diff --git a/source/libs/monitorfw/src/taos_collector_registry.c b/source/libs/monitorfw/src/taos_collector_registry.c
index 25e4b5b2ca..711e66ed84 100644
--- a/source/libs/monitorfw/src/taos_collector_registry.c
+++ b/source/libs/monitorfw/src/taos_collector_registry.c
@@ -122,7 +122,8 @@ int taos_collector_registry_register_metric(taos_metric_t *metric) {
 taos_metric_t *taos_collector_registry_must_register_metric(taos_metric_t *metric) {
   int err = taos_collector_registry_register_metric(metric);
   if (err != 0) {
-    exit(err);
+    //exit(err);
+    return NULL;
   }
   return metric;
 }