diff --git a/adc-da-sys/src/main/java/com/adc/da/att/controller/AttFileEOController.java b/adc-da-sys/src/main/java/com/adc/da/att/controller/AttFileEOController.java
index c608dc04..b3d3665f 100644
--- a/adc-da-sys/src/main/java/com/adc/da/att/controller/AttFileEOController.java
+++ b/adc-da-sys/src/main/java/com/adc/da/att/controller/AttFileEOController.java
@@ -33,6 +33,7 @@ import javax.servlet.http.HttpServletResponse;
 import javax.validation.constraints.NotNull;
 import java.io.*;
 import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.text.SimpleDateFormat;
 import java.util.*;
@@ -310,6 +311,7 @@ public class AttFileEOController {
         response.reset();
         try {
             String fileOldName = fileNameEncoding(attFileEO.getOldFileName(),request);
+            response.setCharacterEncoding(StandardCharsets.UTF_8.name());
             response.setHeader("Content-Disposition", "attachment;filename=\""+fileOldName+"\"");
             response.setContentType("application/octet-stream");
             File file = new File(filePath+attFileEO.getFilePath()+attFileEO.getFileName());