!100 单例模式

Merge pull request !100 from geekymv/master

ruoyi-framework/src/main/java/com/ruoyi/framework/manager/AsyncManager.java

@@ -26,6 +26,8 @@ public class AsyncManager
     /**
      * 单例模式
      */
+    private AsyncManager(){}
+
     private static AsyncManager me = new AsyncManager();
 
     public static AsyncManager me()