diff --git a/src/main/java/net/tccn/base/MetaRender.java b/src/main/java/net/tccn/base/MetaRender.java
index 344e5ec..85de432 100644
--- a/src/main/java/net/tccn/base/MetaRender.java
+++ b/src/main/java/net/tccn/base/MetaRender.java
@@ -27,11 +27,14 @@ public class MetaRender implements HttpRender<HttpScope> {
             List list = (List) attr.get("data");
             Kv heads = (Kv) attr.get("heads");
             String fileName = (String) attr.get("fileName");
+            if (!fileName.endsWith(".xls")) {
+                fileName += ".xls";
+            }
 
             try {
                 Workbook workbook = ExcelKit.exportExcel(list, heads);
 
-                File file = new File(String.format("tmp/%s.xls", fileName));
+                File file = new File(String.format("tmp/%s", fileName));
                 file.getParentFile().mkdirs();
                 if (file.exists()) file.delete();
 
@@ -43,7 +46,7 @@ public class MetaRender implements HttpRender<HttpScope> {
                 } catch (Exception e) {
                     e.printStackTrace();
                 }
-                response.finish(file);
+                response.finish(fileName, file);
             } catch (Exception e) {
                 e.printStackTrace();
             }