diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index 58f144c5871ff7ec6b32095d05d06f92fc887dc8..aa5962a846088437fd228a17581a51c5c6a89413 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -729,7 +729,7 @@ static void doInitGlobalConfig(void) {
   cfg.valType = TAOS_CFG_VTYPE_INT32;
   cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_SHOW;
   cfg.minValue = 8;
-  cfg.maxValue = 2048;
+  cfg.maxValue = 20480;
   cfg.ptrLength = 0;
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosInitConfigOption(cfg);
diff --git a/src/util/src/ttimer.c b/src/util/src/ttimer.c
index 865e1159c1995b2796682d64ee06de02442b7a25..eef3ff43eefd0f023cb497743683ebbf5665a2ae 100644
--- a/src/util/src/ttimer.c
+++ b/src/util/src/ttimer.c
@@ -84,7 +84,7 @@ typedef struct time_wheel_t {
 } time_wheel_t;
 
 int32_t tmrDebugFlag = 131;
-uint32_t tsMaxTmrCtrl = 512;
+uint32_t tsMaxTmrCtrl = 20480;
 
 static pthread_once_t  tmrModuleInit = PTHREAD_ONCE_INIT;
 static pthread_mutex_t tmrCtrlMutex;