diff --git a/zh-cn/device-dev/kernel/kernel-mini-memory-trace.md b/zh-cn/device-dev/kernel/kernel-mini-memory-trace.md
index 0b25cc98ef8b9d8d2a8f718fa19bd3d58b35cf59..22302976d86c2c39fbf560a41dba84ce84e8f713 100644
--- a/zh-cn/device-dev/kernel/kernel-mini-memory-trace.md
+++ b/zh-cn/device-dev/kernel/kernel-mini-memory-trace.md
@@ -174,7 +174,7 @@ OpenHarmony LiteOS-M内核的Trace模块提供下面几种功能，接口详细
 ```
 BOOL Example_HwiNumFilter(UINT32 hwiNum)
 {
-    if ((hwi == TIMER_INT) || (hwi == DMA_INT)) {
+    if ((hwiNum == TIMER_INT) || (hwiNum == DMA_INT)) {
         return TRUE;
     }
     return FALSE;
diff --git a/zh-cn/device-dev/kernel/kernel-small-debug-trace.md b/zh-cn/device-dev/kernel/kernel-small-debug-trace.md
index ffd5cfafd3daac7db6c4d5094a4b09e8a906c0de..a778ba504217ee87f1473ab5eb88a0564098b02a 100644
--- a/zh-cn/device-dev/kernel/kernel-small-debug-trace.md
+++ b/zh-cn/device-dev/kernel/kernel-small-debug-trace.md
@@ -189,7 +189,7 @@ OpenHarmony LiteOS-A内核的Trace模块提供下面几种功能，接口详细
 ```
 BOOL Example_HwiNumFilter(UINT32 hwiNum)
 {
-    if ((hwi == TIMER_INT) || (hwi == DMA_INT)) {
+    if ((hwiNum == TIMER_INT) || (hwiNum == DMA_INT)) {
         return TRUE;
     }
     return FALSE;