diff --git a/zh-cn/application-dev/reference/apis/js-apis-net-statistics.md b/zh-cn/application-dev/reference/apis/js-apis-net-statistics.md
index e443def5d46c3121609bfd0489fcf798a5ddf2c6..2a5b0578d4be07172fd3103cd12cad254b902239 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-net-statistics.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-net-statistics.md
@@ -623,7 +623,7 @@ on(type: 'netStatsChange', callback: Callback\<{ iface: string, uid?: number }>)
});
```
-## statistics.on('netStatsChange')10+
+## statistics.off('netStatsChange')10+
off(type: 'netStatsChange', callback?: Callback\<{ iface: string, uid?: number }>): void;