优化示例代码格式

Signed-off-by: N时睿 <shirui721@huawei.com>

zh-cn/application-dev/application-models/common-event-static-subscription.md

@@ -103,12 +103,11 @@
 
    ```json
    [
-     ...
+     // ...
      {
        "bundleName": "com.example.myapplication", // Bundle名称
        "app_signature": ["****"], // 指纹信息
        "allowCommonEvent": ["usual.event.A", "usual.event.B"], // 允许静态广播拉起的公共事件项
-       ]
      }
    ]
    ```