fix bug

src/plugins/monitor/src/monMain.c

@@ -184,11 +184,17 @@ static void *monThreadFunc(void *param) {
 static void monBuildMonitorSql(char *sql, int32_t cmd) {
   memset(sql, 0, SQL_LENGTH);
 
+#ifdef _STORAGE
+  char *keepValue = "30,30,30";
+#else
+  char *keepValue = "30";
+#endif
+
   if (cmd == MON_CMD_CREATE_DB) {
     snprintf(sql, SQL_LENGTH,
-             "create database if not exists %s replica 1 days 10 keep 30 cache %d "
+             "create database if not exists %s replica 1 days 10 keep %s cache %d "
              "blocks %d precision 'us'",
-             tsMonitorDbName, TSDB_MIN_CACHE_BLOCK_SIZE, TSDB_MIN_TOTAL_BLOCKS);
+             tsMonitorDbName, keepValue, TSDB_MIN_CACHE_BLOCK_SIZE, TSDB_MIN_TOTAL_BLOCKS);
   } else if (cmd == MON_CMD_CREATE_MT_DN) {
     snprintf(sql, SQL_LENGTH,
              "create table if not exists %s.dn(ts timestamp"