doc: correct errors and optimize language.

README.md

@@ -21,9 +21,9 @@
 
 # What is RadonDB MySQL
 
-**RadonDB MySQL** is an open-source, cloud-native, and high-availability cluster solution based on MySQL. It supports the architecture of one leader node and multiple replicas, with a set of management functions for security, automatic backup, monitoring and alarming, automatic scaling, and so on.
+**RadonDB MySQL** is an open-source, cloud-native, and high-availability cluster solution based on MySQL. It adopts the architecture of one leader node and multiple replicas, with management capabilities for security, automatic backups, monitoring and alerting, automatic scaling, and so on.
 
-**RadonDB MySQL Kubernetes** supports installation, deployment and management of RadonDB MySQL clusters on [Kubernetes](https://kubernetes.io/), [KubeSphere](https://kubesphere.com.cn/) and [Rancher](https://rancher.com), and automates tasks involved in running a RadonDB MySQL cluster.
+**RadonDB MySQL Kubernetes** supports installation, deployment and management of RadonDB MySQL clusters on [Kubernetes](https://kubernetes.io/), [KubeSphere](https://kubesphere.com.cn/) and [Rancher](https://rancher.com), and automates tasks involved in running RadonDB MySQL clusters.
 
 ## Features
 🧠 **High-availability MySQL**: Automatic decentralized leader election, failover within seconds, and strong data consistency in cluster switching
@@ -32,7 +32,7 @@
 
 💻 **Monitoring and alerting**
 
-✍️ [**Backup for S3**](docs/en-us/deploy_backup_restore_s3.md)
+✍️ [**S3 backups**](docs/en-us/backup_and_restoration_s3.md) and [**NFS backups**](docs/en-us/backup_and_restoration_nfs.md)
 
 🎈 **Log management**
 

README_zh.md

@@ -32,7 +32,7 @@
 
 💻 [**监控告警**](docs/zh-cn/deploy_monitoring.md)
 
-✍️ [**备份**](docs/zh-cn/deploy_backup_restore_s3.md)
+✍️ [**S3 备份**](docs/zh-cn/backup_and_restoration_s3.md)和 [**NFS 备份**](docs/zh-cn/backup_and_restoration_nfs.md)
 
 🎈 **集群日志管理**
 

docs/en-us/deploy_backup_restore_nfs.md → docs/en-us/backup_and_restoration_nfs.md

@@ -1,4 +1,4 @@
-English | [简体中文](../zh-cn/deploy_backup_restore_nfs.md)
+English | [简体中文](../zh-cn/backup_and_restoration_nfs.md)
 
 # Quickstart for NFS backups
 
@@ -31,7 +31,7 @@ In this way, you can install the Pod and Service of the NFS server in the cluste
 ### 2. Install by kubectl
 ```shell
 kubectl apply -f config/samples/nfs_pv.yaml 
- kubectl apply -f config/samples/nfs_server.yaml 
+kubectl apply -f config/samples/nfs_server.yaml 
 ```
 
 ## Obtain `nfsServerAddress`
@@ -75,7 +75,7 @@ Configure the `nfsServerAddress` attribute to the NFS server address in the `mys
  nfsServerAddress: 10.96.253.82
  ```
  
- > Notice: `restoreFrom` stands for the pathname of the backup. You can get it by checking the path loaded by the NFS server.
+ > Notice: `restoreFrom` stands for the path name of the backup. You can get it by checking the path loaded by the NFS server.
 
 Restore cluster from NFS backup as follows.
 

docs/en-us/deploy_backup_restore_s3.md → docs/en-us/backup_and_restoration_s3.md

@@ -1,11 +1,12 @@
-English | [简体中文](../zh-cn/deploy_backup_restore_s3.md)
+English | [简体中文](../zh-cn/backup_and_restoration_s3.md)
 
-Contents
-=============
+# Quickstart for S3 backups
+
+## Contents
 
   - [Prerequisites](#Prerequisites)
   - [Overview](#Overview)
-  - [Configure the backup for S3](#Configure-the-backup-for-S3)
+  - [Configure the backup](#Configure-the-backup)
     - [Step 1: Create the Secret file](#Step-1-Create-the-Secret-file)
     - [Step 2: Configure the Secret for the Operator cluster](#Step-2-Configure-the-Secret-for-the-Operator-cluster)
   - [Start the backup](#Start-the-backup)
@@ -17,7 +18,7 @@ Contents
 ## Overview
 This tutorial displays how to back up and restore the deployed RadonDB MySQL Operator cluster.
 
-## Configure the S3 backup
+## Configure the backup
 
 ### Step 1: Create the Secret file
 ```yaml
@@ -44,7 +45,7 @@ Then, create the backup Secret.
 kubectl create -f config/samples/backup_secret.yaml
 ```
 
-### Step 2: Configure the Secret for the Operator cluster
+### Step 2: Configure the backup Secret for the Operator cluster
 Configure the `backupSecretName` property in `mysql_v1alpha1_mysqlcluster.yaml`, for example, `sample-backup-secre`.
 
 ```yaml
@@ -67,14 +68,14 @@ spec:
   clusterName: sample
 
 ```
-| Name | Description  | 
-|------|--------|
-|hostName|pod name in cluser|
-|clusterName|cluster name|
+| Parameter   | Description  |
+| ----------- | ------------ |
+| hostName    | Pod name     |
+| clusterName | Cluster name |
 
 ## Start the backup
 
-Before starting backup, you need to start the cluster.
+Before starting the backup, you need to start the cluster.
 
 ```shell
 kubectl apply -f config/samples/mysql_v1alpha1_backup.yaml
@@ -89,7 +90,7 @@ backup-sample   sample_2022526155115   2022-05-26T15:51:15   S3
 ```
 
 ## Restore the cluster from the backup
-Check the S3 bucket and set the `RestoreFrom` property in the `mysql_v1alpha1_backup.yaml` file to the backup directory, for example, `sample_2022526155115`.
+Check the S3 bucket and set the `RestoreFrom` property in the `mysql_v1alpha1_mysqlcluster.yaml` file to the backup directory, for example, `sample_2022526155115`.
 
 ```yaml
 ...

docs/zh-cn/deploy_backup_restore_nfs.md → docs/zh-cn/backup_and_restoration_nfs.md

@@ -1,4 +1,4 @@
-[English](../en-us/deploy_backup_restore_nfs.md) | 简体中文
+[English](../en-us/backup_restoration_nfs.md) | 简体中文
 
 # NFS 备份快速手册
 

docs/zh-cn/deploy_backup_restore_s3.md → docs/zh-cn/backup_and_restoration_s3.md

@@ -1,13 +1,13 @@
-[English](../en-us/deploy_backup_restore_s3.md) | 简体中文
+[English](../en-us/backup_restoration_s3.md) | 简体中文
 
-目录
-=============
+# S3 备份快速手册
 
+## 目录
   - [前提条件](#前提条件)
   - [简介](#简介)
-  - [配置 backup](#配置-backup)
-    - [步骤 1: 添加 Secret 文件](#1-添加-secret-文件)
-    - [步骤 2: 将 Secret 配置到 Operator 集群](#2-将-secret-配置到-Operator-集群)
+  - [配置备份](#配置备份)
+    - [步骤 1: 添加 Secret 文件](#步骤-1-添加-secret-文件)
+    - [步骤 2: 将 Secret 配置到 Operator 集群](#步骤-2-将-secret-配置到-operator-集群)
   - [启动备份](#启动备份)
   - [从备份副本恢复到新集群](#从备份副本恢复到新集群)
 
@@ -19,9 +19,9 @@
 
 本文档介绍如何对部署的 RadonDB MySQL Operator 集群进行备份和恢复。
 
-## 配置 backup
+## 配置备份
 
-### 步骤 1: 添加 Secret 文件
+### 步骤 1: 创建 Secret 配置文件
 ```yaml
 kind: Secret
 apiVersion: v1
@@ -36,17 +36,17 @@ data:
 type: Opaque
 
 ```
-s3-xxxx 值用 base64 编码，注意不要把换行符编码进去，可以用如下命令获取 base64 编码：
+`s3-xxxx` 字段的值采用 base64 编码，注意不要包含换行符的编码。您可以用如下命令获取 base64 编码：
 ```
 echo -n "替换为您的S3-XXX值"|base64
 ```
-随后，用如下命令创建备份 Secret：
+然后，使用如下命令创建备份 Secret：
 
 ```
 kubectl create -f config/samples/backup_secret.yaml
 ```
 ### 步骤 2: 将 Secret 配置到 Operator 集群
-将备份 Secret 名称添加到 mysql_v1alpha1_mysqlcluster.yaml 中，本例中名称为 sample-backup-secret：
+将备份 Secret 名称添加到 `mysql_v1alpha1_mysqlcluster.yaml` 中，本例中的名称为 `sample-backup-secret`：
 
 ```yaml
 spec:
@@ -55,7 +55,7 @@ spec:
   backupSecretName: sample-backup-secret
   ...
 ```
-如下创建备份YAML文件`mysql_v1alpha1_backup`.yaml：
+如下创建备份 YAML 配置文件 `mysql_v1alpha1_backup.yaml`：
 
 ```yaml
 apiVersion: mysql.radondb.com/v1alpha1
@@ -68,27 +68,27 @@ spec:
   clusterName: sample
 
 ```
-| 参数名 | 描述  | 
-|------|--------|
-|hostName| 集群中Pod的名称 |
-|clusterName| 数据库集群名称 |
+| 参数名      | 描述            |
+| ----------- | --------------- |
+| hostName    | 集群中 Pod 的名称 |
+| clusterName | 数据库集群名称  |
 
 
 ##  启动备份
 启动集群后，才可以进行备份操作。
 ```shell
 kubectl apply -f config/samples/mysql_v1alpha1_backup.yaml
 ```
-执行成功后，可以通过如下命令查看备份状况
+执行成功后，可以通过如下命令查看备份状况：
 ```
 kubectl get backups.mysql.radondb.com 
 NAME            BACKUPNAME             BACKUPDATE            TYPE
 backup-sample   sample_2022526155115   2022-05-26T15:51:15   S3
 ```
 
 ## 从备份副本恢复到新集群
-检查您的 S3 bucket，得到您需要的备份文件夹如 `sample_2022526155115`。
-添加 RestoreFrom 字段到 mysql_v1alpha1_backup.yaml 中，如下：
+检查您的 S3 bucket，得到您需要的备份文件夹，如 `sample_2022526155115`。
+在 `mysql_v1alpha1_mysqlcluster.yaml` 中添加 `RestoreFrom` 字段，如下：
 
 ```yaml
 ...

docs/zh-cn/mgt_mysqluser.md

@@ -15,7 +15,7 @@
       * [5.1 Secret](#5.1-Secret)
       * [5.2 MysqlUser](#5.2-MysqlUser)
 
-# 使用 MysqlUser CRD 管理 MySQL用户
+# 使用 MysqlUser CRD 管理 MySQL 用户
 
 ##  1. 前提条件