diff --git a/services/param/trigger/trigger_checker.c b/services/param/trigger/trigger_checker.c
index 42e7c2d0bfe9b5fda2f4548347288c4ee65c5bec..0e3b31ad4d49616a6d0ffe20c7a2fef051c47c0e 100644
--- a/services/param/trigger/trigger_checker.c
+++ b/services/param/trigger/trigger_checker.c
@@ -21,7 +21,7 @@
 #include "securec.h"
 
 #define MAX_CALC_PARAM 100
-// 申请整块能存作为计算的节点
+// 申请整块内存作为计算的节点
 int CalculatorInit(LogicCalculator *calculator, int dataNumber, int dataUnit, int needCondition)
 {
     PARAM_CHECK(calculator != NULL, return -1, "Invalid param");