diff --git a/seafobj/commit_differ.py b/seafobj/commit_differ.py
index bf60983..0d2ff3b 100644
--- a/seafobj/commit_differ.py
+++ b/seafobj/commit_differ.py
@@ -1,11 +1,11 @@
-#coding: UTF-8
+# coding: UTF-8
 
 from seafobj import fs_mgr
 import os
-import logging
 
 ZERO_OBJ_ID = '0000000000000000000000000000000000000000'
 
+
 class DiffEntry(object):
     def __init__(self, path, obj_id, size=-1, new_path=None):
         self.path = path
@@ -22,6 +22,19 @@ def __init__(self, repo_id, version, root1, root2, handle_rename=False, fold_dir
         self.handle_rename = handle_rename
         self.fold_dirs = fold_dirs
 
+    def diff_to_unicode(self):
+        # you can also do this by overwriting key points
+        res = []
+        diff_res = self.diff()
+        for dirents in diff_res:
+            for dirent in dirents:
+                for key in dirent.__dict__.keys():
+                    v = dirent.__dict__[key]
+                    if isinstance(v, str):
+                        dirent.__dict__[key] = v.decode('utf8')
+            res.append(dirents)
+        return tuple(res)
+
     def diff(self):
         added_files = []
         deleted_files = []