fix code sample

Signed-off-by: N xinking129 <xinxin13@huawei.com>

fix code sample
Signed-off-by: N xinking129 <xinxin13@huawei.com>
59e27391 · xinking129 · c0e18735 · 59e27391
隐藏空白更改
内联并排

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zh-cn/application-dev/reference/apis/js-apis-commonEventManager.md ...lication-dev/reference/apis/js-apis-commonEventManager.md +4 -0

未找到文件。
--- a/zh-cn/application-dev/reference/apis/js-apis-commonEventManager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-commonEventManager.md
@@ -607,6 +607,10 @@ setStaticSubscriberState(enable: boolean, callback: AsyncCallback<void>): void;

 ```ts
 CommonEventManager.setStaticSubscriberState(true, (err) => {
+    if (!err) {
+        console.info(`Set static subscriber state callback failed, err is null.`);
+        return;
+    }
    if (err.code) {
        console.info(`Set static subscriber state callback failed, errCode: ${err.code}, errMes: ${err.message}`);
        return;