diff --git a/hyp-admin/src/main/java/com/hyp/web/controller/reward/FileRelationController.java b/hyp-admin/src/main/java/com/hyp/web/controller/reward/FileRelationController.java
index c2b65f5..5ce85dc 100644
--- a/hyp-admin/src/main/java/com/hyp/web/controller/reward/FileRelationController.java
+++ b/hyp-admin/src/main/java/com/hyp/web/controller/reward/FileRelationController.java
@@ -29,6 +29,7 @@ import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.util.List;
 import java.util.Objects;
@@ -99,7 +100,7 @@ public class FileRelationController extends BaseController {
     public void fileView(@PathVariable String fileId, HttpServletResponse response) throws IOException {
         String filePath = fileRelationManager.getFilePath(fileId);
         String fileName = fileRelationManager.getRealName(fileId);
-        String encodedFileName = new String(fileName.getBytes("UTF-8"),"ISO-8859-1");
+        String encodedFileName = new String(fileName.getBytes(StandardCharsets.UTF_8),StandardCharsets.ISO_8859_1);
         InputStream in = null;
         OutputStream out = null;
         try {