stats

Change-Id: Ic1df9bf4a5224bbd06a12fdd4dcb56fb16435564
Signed-off-by: Nxujie <xujie223@huawei.com>

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')<sup>10+</sup>
+## statistics.off('netStatsChange')<sup>10+</sup>
 
 off(type: 'netStatsChange', callback?: Callback\<{ iface: string, uid?: number }>): void;