diff --git a/tools/git.txt b/tools/git.txt
index 386b44f..7fd4160 100644
--- a/tools/git.txt
+++ b/tools/git.txt
@@ -35,11 +35,11 @@ git commit --amend --author "user_name <user_email>" 修改最近提交用户名
 git status
 git status -s 文件状态缩略信息, 常见 A:新增; M:文件变更; ?:未track; D:删除
 git diff <file>
-git diff HEAD -- <file>	            查看工作区和版本库里面最新版本的区别
-git diff --check <file>	            检查是否有空白错误(regex:' \{1,\}$')
-git diff --cached <file>            查看已add的内容(绿M)
-git diff branch1 branch2 --stat	    查看两个分支差异
-git diff branch1 branch2 <file...>  查看分支文件具体差异
+git diff HEAD -- <file>                 查看工作区和版本库里面最新版本的区别
+git diff --check <file>                 检查是否有空白错误(regex:' \{1,\}$')
+git diff --cached <file>                查看已add的内容(绿M)
+git diff branch1 branch2 --stat         查看两个分支差异
+git diff branch1 branch2 <file...>      查看分支文件具体差异
 
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