diff --git a/packaging/cfg/taos.cfg b/packaging/cfg/taos.cfg
index c12726d2920f236593f6707c0071efc73eeea189..fdb846670656b189d12368c519348367ec4d2974 100644
--- a/packaging/cfg/taos.cfg
+++ b/packaging/cfg/taos.cfg
@@ -189,6 +189,9 @@
 # max number of rows per log filters
 # numOfLogLines         10000000
 
+# time of keeping log files, days
+# logKeepDays           0
+
 # enable/disable async log
 # asyncLog              1
 
diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index 3888ec07a46d0b8b5dd0e2406a1f0e69c1e7fe13..2418375ee162b29ea8ab7cf237cbc843c725dbd2 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -1024,7 +1024,7 @@ static void doInitGlobalConfig(void) {
   cfg.valType = TAOS_CFG_VTYPE_INT32;
   cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_LOG | TSDB_CFG_CTYPE_B_CLIENT;
   cfg.minValue = 0;
-  cfg.maxValue = 36500;
+  cfg.maxValue = 365000;
   cfg.ptrLength = 0;
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosInitConfigOption(cfg);