Update Aurora MySQL dumpling command (#6847) (#7014)

[ti-chi-bot]

This is an automated cherry-pick of #7014

This is an automated cherry-pick of #6847

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[TomShawn]

Suggested change

	<<<<<<< HEAD
	3. 检查备份目录的权限，例如 `backup` 目录是备份数据存储目录。命令示例如下：
	=======
	3. 检查备份目录的权限，例如 `backup` 目录是备份数据存储目录。命令示例如下
	>>>>>>> 3eb2f51eb (Update Aurora MySQL dumpling command (#6847) (#7014))
	3. 检查备份目录的权限，例如 `backup` 目录是备份数据存储目录。命令示例如下