修改js-apis-sensor.md

Signed-off-by: N li-yaoyao777 <liyaoyao7@huawei.com>

修改js-apis-sensor.md
Signed-off-by: N li-yaoyao777 <liyaoyao7@huawei.com>
50ee773f · li-yaoyao777 · 79d953ce · 50ee773f
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zh-cn/application-dev/reference/apis/js-apis-sensor.md zh-cn/application-dev/reference/apis/js-apis-sensor.md +0 -4

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--- a/zh-cn/application-dev/reference/apis/js-apis-sensor.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-sensor.md
@@ -886,10 +886,6 @@ once(type: SensorType.SENSOR_TYPE_ID_PROXIMITY, callback: Callback&lt;ProximityR
 **示例：** 
  ```js
  sensor.once(sensor.SensorType.SENSOR_TYPE_ID_PROXIMITY, function(data) {
-      if (error) {
-          console.error("Subscription failed. Error code: " + error.code + "; message: " + error.message);
-          return;
-      }
      console.info('Distance: ' + data.distance);
    }
  );