diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java b/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
index 09ceb821..58872f5b 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
@@ -969,8 +969,9 @@ public class AppMaster {
             if (response != null) {
 
             }
+            file.delete();
         } catch (Exception ex) {
-
+            ex.printStackTrace();
         }
     }