diff --git a/ZhuQue/src/main/java/com/dsideal/ZhuQue/Ylt/Controller/YltController.java b/ZhuQue/src/main/java/com/dsideal/ZhuQue/Ylt/Controller/YltController.java
index 736f099..53ad7bc 100644
--- a/ZhuQue/src/main/java/com/dsideal/ZhuQue/Ylt/Controller/YltController.java
+++ b/ZhuQue/src/main/java/com/dsideal/ZhuQue/Ylt/Controller/YltController.java
@@ -185,7 +185,6 @@ public class YltController extends Controller {
         renderJson(CommonUtil.getRet(false, "发现了一个未知的闸机厂商，请联系开发人员！"));
     }
 
-
     /**
      * 功能：根据用户id查询挂起订单
      * state:           订单状态 0  创建中 1准备充电中 2 充电中 3完成 4 取消 5挂起 6需要手动补单 7结算中
diff --git a/业务梳理/~$特收到的需求、分析与现状.docx b/业务梳理/~$特收到的需求、分析与现状.docx
new file mode 100644
index 0000000..adbf6ee
Binary files /dev/null and b/业务梳理/~$特收到的需求、分析与现状.docx differ
diff --git a/业务梳理/驿来特收到的需求、分析与现状.docx b/业务梳理/驿来特收到的需求、分析与现状.docx
index f137bda..8fe829e 100644
Binary files a/业务梳理/驿来特收到的需求、分析与现状.docx and b/业务梳理/驿来特收到的需求、分析与现状.docx differ
diff --git a/操作文档/7、Mysql数据库下载与还原.md b/操作文档/7、Mysql数据库下载与还原.md
index 2e2d213..3964cfc 100644
--- a/操作文档/7、Mysql数据库下载与还原.md
+++ b/操作文档/7、Mysql数据库下载与还原.md
@@ -30,6 +30,12 @@ yum -y install qpress
 
 
 
+#### 冷知识：为什么不使用$MysqlDump$备份数据库，而是采用了$XtraBackup$进行备份数据库?
+
+**答**：因为逻辑备份时，会导致锁表，数据库性能下降，如果此时有大量用户使用，就带来的非常不好的体验，这时，$XtraBackup$的无感备份机制就有了用武之地。
+
+
+
 #### 上传备份文件到主机
 
 ```
@@ -116,9 +122,7 @@ innodb_log_buffer_size = 16M
 innodb_log_file_size = 170M
 innodb_lock_wait_timeout = 60
 
-#sql_mode=ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
-
-sql-mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
+sql_mode=ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
 
 [mysql]
 socket=/tmp/mysql.sock
@@ -184,13 +188,23 @@ rm -rf /var/mysql_bkdata/mysql/proxies_priv.TRG
  CREATE USER 'ycharge'@'localhost' IDENTIFIED BY 'ycharge';
  GRANT ALL PRIVILEGES ON *.* TO 'ycharge'@'%'IDENTIFIED BY 'ycharge' WITH GRANT OPTION; 
  flush privileges;
+ 
+ 
+ # 切换三张表的引擎为MyISAM,防止出现  1105 ER_UNKNOWN_ERROR
+ use mysql;
+ 
+ ALTER TABLE `mysql`.`proc` ENGINE = MyISAM;
+ ALTER TABLE `mysql`.`event`  ENGINE = MyISAM;
+ ALTER TABLE `mysql`.`func`  ENGINE = MyISAM;
  ```
 
-#### 移动到SSD硬盘上
+#### 移动到$SSD$硬盘上
 
 ```Shell
 df -h
+```
 
+```
 [root@RockyLinux local]# df -h
 Filesystem           Size  Used Avail Use% Mounted on
 devtmpfs             4.0M     0  4.0M   0% /dev