diff --git a/source/libs/qworker/inc/qwInt.h b/source/libs/qworker/inc/qwInt.h
index 9d8fad6fea..eb6091d605 100644
--- a/source/libs/qworker/inc/qwInt.h
+++ b/source/libs/qworker/inc/qwInt.h
@@ -31,7 +31,7 @@ extern "C" {
 
 #define QW_DEFAULT_SCHEDULER_NUMBER 100
 #define QW_DEFAULT_TASK_NUMBER      10000
-#define QW_DEFAULT_SCH_TASK_NUMBER  3000
+#define QW_DEFAULT_SCH_TASK_NUMBER  500
 #define QW_DEFAULT_SHORT_RUN_TIMES  2
 #define QW_DEFAULT_HEARTBEAT_MSEC   5000
 #define QW_SCH_TIMEOUT_MSEC         180000