3.3.1 update

teachcloud-common/src/main/java/com/qmth/teachcloud/common/enums/UploadFileEnum.java

@@ -63,7 +63,7 @@ public enum UploadFileEnum {
     /**
      * 安装包/升级包
      */
-    UPGRADE("upgrade", "private", "");
+    UPGRADE("upgrade", "public", "");
 
 
     private String title;