update DevOps.md.

DevOps.md

@@ -2848,6 +2848,24 @@ git config --global --unset http.proxy                    # remove  proxy config
 ```
 
 
+### 批量修改远程仓库邮箱地址和用户名
+```shell
+git filter-branch -f --env-filter '
+OLD_EMAIL="原来的邮箱"
+CORRECT_NAME="现在的名字"
+CORRECT_EMAIL="现在的邮箱"
+if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
+then
+export GIT_COMMITTER_NAME="$CORRECT_NAME"
+export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"
+fi
+if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
+then
+export GIT_AUTHOR_NAME="$CORRECT_NAME"
+export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
+fi
+' --tag-name-filter cat -- --branches --tags
+```
 
 ### 增加/删除文件