diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index 4961bd41d8d7a30c4f24ee47622c044b2064ac96..4a9b4c3e4357679e034fbda8ae296ed7b3589483 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -550,7 +550,7 @@ static void doInitGlobalConfig(void) {
   cfg.valType = TAOS_CFG_VTYPE_INT32;
   cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_SHOW;
   cfg.minValue = 3;
-  cfg.maxValue = 7200000;
+  cfg.maxValue = 86400 * 365;
   cfg.ptrLength = 0;
   cfg.unitType = TAOS_CFG_UTYPE_SECOND;
   taosInitConfigOption(cfg);