diff --git a/zh-cn/application-dev/reference/apis/js-apis-sensor.md b/zh-cn/application-dev/reference/apis/js-apis-sensor.md
index 8b2a7cc506e48ba4d63158087be66e4b0468ce97..d78a61f961c5e86b0ddb336b6ef3d0fc94a3950b 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-sensor.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-sensor.md
@@ -2439,7 +2439,7 @@ sensor.getSensorList().then((data) => {
 });
 ```
 
-##  sensor. getSingleSensor <sup>9+</sup>
+##  sensor.getSingleSensor<sup>9+</sup>
 
 getSingleSensor(type：SensorType, callback: AsyncCallback&lt;sensor&gt;): void
 
@@ -2466,7 +2466,7 @@ getSingleSensor(type：SensorType, callback: AsyncCallback&lt;sensor&gt;): void
 });
 ```
 
-##  sensor. getSingleSensor <sup>9+</sup>
+##  sensor.getSingleSensor<sup>9+</sup>
 
  getSingleSensor(type: SensorType,): Promise&lt;Sensor&gt;