diff --git a/src/main/java/io/nutz/demo/maker/module/MakerModule.java b/src/main/java/io/nutz/demo/maker/module/MakerModule.java
index 6050df16c3d4129c73d909f381a07bfa37523069..34c85adfdf0eabce62399405ac097ff5e246f379 100644
--- a/src/main/java/io/nutz/demo/maker/module/MakerModule.java
+++ b/src/main/java/io/nutz/demo/maker/module/MakerModule.java
@@ -65,7 +65,7 @@ public class MakerModule {
     @At("/maker/download/?")
     @Ok("raw:zip")
     public File download(String key, HttpServletResponse resp) {
-        String finalName = key.split("_")[0];
+        String finalName = key.substring(0,key.lastIndexOf("_"));
         resp.setHeader("Content-Disposition", "attachment; filename=" + finalName + ".zip");
         return new File(tmpDir + "/" + key + ".zip");
     }