[TD-13882]<fix>: fix ERROR output when monitor start first time

src/plugins/monitor/src/monMain.c

@@ -1092,28 +1092,16 @@ static void monSaveDnodesInfo() {
 
 static int32_t checkCreateVgroupTable(int32_t vgId) {
   char subsql[256];
-  bool create_table = false;
   int32_t code = TSDB_CODE_SUCCESS;
 
   memset(subsql, 0, sizeof(subsql));
-  snprintf(subsql, 255, "describe %s.vgroup_%d", tsMonitorDbName, vgId);
+  snprintf(subsql, sizeof(subsql), "create table if not exists %s.vgroup_%d using %s.vgroups_info tags(%d)",
+            tsMonitorDbName, vgId, tsMonitorDbName, vgId);
 
   TAOS_RES *result = taos_query(tsMonitor.conn, subsql);
   code = taos_errno(result);
-  if (code != 0) {
-    create_table = true;
-    snprintf(subsql, sizeof(subsql), "create table if not exists %s.vgroup_%d using %s.vgroups_info tags(%d)",
-               tsMonitorDbName, vgId, tsMonitorDbName, vgId);
-    monError("table vgroup_%d not exist, create table vgroup_%d", vgId, vgId);
-  }
   taos_free_result(result);
 
-  if (create_table == true) {
-    result = taos_query(tsMonitor.conn, subsql);
-    code = taos_errno(result);
-    taos_free_result(result);
-  }
-
   return code;
 }