diff --git a/.gitignore b/.gitignore
index eb4b83089..bc4a7ffa3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,3 @@ tests/**/coverage/
 *.njsproj
 *.sln
 .env.development
-
-src/i18n/langs/diff-zh-en.json
-src/i18n/langs/diff-zh-ja.json
diff --git a/src/i18n/langs/i18n-util.py b/src/i18n/langs/i18n-util.py
old mode 100755
new mode 100644
index 10c669a33..6016f0f4e
--- a/src/i18n/langs/i18n-util.py
+++ b/src/i18n/langs/i18n-util.py
@@ -16,6 +16,7 @@
 
 """
 
+import os
 import json
 import argparse
 import data_tree
@@ -47,7 +48,9 @@ class I18NFileUtil(object):
         diff_paths = set(zh_paths) - set(lang_paths)
 
         data = {}
-        diff_filepath = f'{self.dir_path}/diff-zh-{lang}.json'
+
+        diff_filepath = f'{self.dir_path}/.diff-zh-{lang}.json'
+        
         with open(diff_filepath, 'w', encoding='utf-8') as f:
             for path in diff_paths:
                 value = zh_tree.get(path)
@@ -63,7 +66,8 @@ class I18NFileUtil(object):
             print(msg)
 
     def apply(self, lang):
-        diff_data = self.load_json(f'{self.dir_path}/diff-zh-{lang}.json')
+        diff_filepath = f'{self.dir_path}/.diff-zh-{lang}.json'
+        diff_data = self.load_json(diff_filepath)
         lang_data = self.load_json(f'{self.dir_path}/{lang}.json')
 
         lang_pdict = PathDict(lang_data, create_if_not_exists=True)
@@ -74,8 +78,10 @@ class I18NFileUtil(object):
             data = self.pathdict_to_dict(lang_pdict)
             data = json.dumps(data, ensure_ascii=False, indent=2)
             f.write(data)
-
             print(f'\n翻译文件 {self.dir_path}/{lang}.json 已更新, 总共写入新的翻译 {len(diff_data)} 条.\n')
+            
+        # 删除 diff 文件
+        os.remove(diff_filepath)
 
     def pathdict_to_dict(self, data):
         d = {}