diff --git a/zh-cn/device-dev/reference/hdi-apis/_sensor_events.md b/zh-cn/device-dev/reference/hdi-apis/_sensor_events.md
index fab5cc2235df5218bb8248b3fa719a79d1838f3c..399be8a87a2254510a176a0053cb7182e00bd953 100644
--- a/zh-cn/device-dev/reference/hdi-apis/_sensor_events.md
+++ b/zh-cn/device-dev/reference/hdi-apis/_sensor_events.md
@@ -110,7 +110,7 @@ int32_t SensorEvents::version
 传感器算法版本号。
 
 
-### h2dataLen
+### dataLen
 
   
 ```