change readme

Author: roycetomato

README.md

@@ -2,7 +2,7 @@
 ## Usage
 NotificationManager 
 
- NotificationManager.scheduleNotification(id: "标识", title: "通知测试", subtitle: "子标题", body: "风雨一夜花满楼", badgeCount: 10)
+         NotificationManager.scheduleNotification(id: "标识", title: "通知测试", subtitle: "子标题", body: "风雨一夜花满楼", badgeCount: 10)
         
         NotificationManager.pending { [weak self] value in
             print("\(value)未发送")