diff --git a/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/service/XhpcDownCodeServiceImpl.java b/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/service/XhpcDownCodeServiceImpl.java
index e416ffd8..dc4f129c 100644
--- a/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/service/XhpcDownCodeServiceImpl.java
+++ b/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/service/XhpcDownCodeServiceImpl.java
@@ -195,7 +195,7 @@ public class XhpcDownCodeServiceImpl implements IXhpcDownCodeService {
 
         DownMaterialUtil.fileToZip(file,url);
 
-        return "Material"+l+".zip";
+        return "QRcodeMaterial" + l + ".zip";
     }
 
     static boolean delFile(File file) {