diff --git a/README.en.md b/README.en.md
deleted file mode 100644
index b89a3e0..0000000
--- a/README.en.md
+++ /dev/null
@@ -1,38 +0,0 @@
-# 快递代取系统-后端
-
-#### Description
-前后端分离
-后端使用springboot或者flask
-提供json的api给前端
-
-#### Software Architecture
-Software architecture description
-
-#### Installation
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### Instructions
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### Contribution
-
-1.  Fork the repository
-2.  Create Feat_xxx branch
-3.  Commit your code
-4.  Create Pull Request
-
-
-#### Gitee Feature
-
-1.  You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md
-2.  Gitee blog [blog.gitee.com](https://blog.gitee.com)
-3.  Explore open source project [https://gitee.com/explore](https://gitee.com/explore)
-4.  The most valuable open source project [GVP](https://gitee.com/gvp)
-5.  The manual of Gitee [https://gitee.com/help](https://gitee.com/help)
-6.  The most popular members  [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
diff --git a/README.md b/README.md
index 193cc1b..d18b733 100644
--- a/README.md
+++ b/README.md
@@ -108,13 +108,13 @@ jquery的ajax传给后端的数据springboot居然接收不到
 
 用ajax的前端代码如下：
 
-<img src="C:\Users\wyz\Desktop\云计算\期末大作业\DeliveryTakingSystem\image-20210108231726208.png" alt="image-20210108231726208" style="zoom:80%;" />
+<img src="image-20210108231726208.png" alt="image-20210108231726208" style="zoom:80%;" />
 
 
 
 正常用表单提交的方法如下：
 
-![image-20210108232120541](C:\Users\wyz\Desktop\云计算\期末大作业\DeliveryTakingSystem\image-20210108232120541.png)
+![image-20210108232120541](image-20210108232120541.png)
 
 
 
@@ -122,7 +122,7 @@ jquery的ajax传给后端的数据springboot居然接收不到
 
 后端代码如下：
 
-![image-20210108231944550](C:\Users\wyz\Desktop\云计算\期末大作业\DeliveryTakingSystem\image-20210108231944550.png)
+![image-20210108231944550](image-20210108231944550.png)
 
 
 
@@ -130,7 +130,7 @@ jquery的ajax传给后端的数据springboot居然接收不到
 
 用ajax发数据，结果如下：（好像第二行最前面少了一个问号？不知道表单提交的有没有）
 
-![image-20210108232255322](C:\Users\wyz\Desktop\云计算\期末大作业\DeliveryTakingSystem\image-20210108232255322.png)
+![image-20210108232255322](image-20210108232255322.png)
 
 
 
@@ -138,7 +138,7 @@ jquery的ajax传给后端的数据springboot居然接收不到
 
 正常表单提交，结果如下：
 
-![image-20210108232403810](C:\Users\wyz\Desktop\云计算\期末大作业\DeliveryTakingSystem\image-20210108232403810.png)
+![image-20210108232403810](image-20210108232403810.png)
 
 第二行为null是因为流只能读取一次
 
@@ -146,11 +146,11 @@ jquery的ajax传给后端的数据springboot居然接收不到
 
 修改以下后端代码，看看用表单提交的话InputStream是什么样的
 
-![image-20210108232529868](C:\Users\wyz\Desktop\云计算\期末大作业\DeliveryTakingSystem\image-20210108232529868.png)
+![image-20210108232529868](image-20210108232529868.png)
 
 输出！
 
-![image-20210108232612889](C:\Users\wyz\Desktop\云计算\期末大作业\DeliveryTakingSystem\image-20210108232612889.png)
+![image-20210108232612889](image-20210108232612889.png)
 
 
 
@@ -174,15 +174,15 @@ ajax那边不管data的数据有没有加上JSON.stringify()都不行
 
 ### springboot接收ajax 
 
-![image-20210109000921900](C:\Users\wyz\Desktop\云计算\期末大作业\DeliveryTakingSystem\image-20210109000921900.png)
+![image-20210109000921900](image-20210109000921900.png)
 
 ==注意画红框的这个类，这个类是需要可序列化的！！！==
 
-![image-20210109001010687](C:\Users\wyz\Desktop\云计算\期末大作业\DeliveryTakingSystem\image-20210109001010687.png)
+![image-20210109001010687](image-20210109001010687.png)
 
 ==前端传json时，需要加上JSON.Stringify==
 
-<img src="C:\Users\wyz\Desktop\云计算\期末大作业\DeliveryTakingSystem\image-20210109103550442.png" alt="image-20210109103550442" style="zoom:80%;" />
+<img src="image-20210109103550442.png" alt="image-20210109103550442" style="zoom:80%;" />
 
 
 
@@ -196,7 +196,7 @@ ajax那边不管data的数据有没有加上JSON.stringify()都不行
 
 按理说ajax这么写就行了，我还特意加了async:false来取消异步
 
-![image-20210109102502329](C:\Users\wyz\Desktop\云计算\期末大作业\DeliveryTakingSystem\image-20210109102502329.png)
+![image-20210109102502329](image-20210109102502329.png)
 
 
 
diff --git a/table.sql b/table.sql
index 48a0fa7..b6fef53 100644
--- a/table.sql
+++ b/table.sql
@@ -2,29 +2,29 @@
 -- use DeliveryTakingSystem;
 
 CREATE TABLE `user` (
-  `id` int(11) NOT NULL AUTO_INCREMENT,
-  `username` varchar(20) DEFAULT NULL,
-  `password` varchar(20) DEFAULT NULL,
-  `phone` varchar(20) DEFAULT NULL,
-  PRIMARY KEY (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+        `id` int(11) NOT NULL AUTO_INCREMENT,
+        `username` varchar(20) DEFAULT NULL,
+        `password` varchar(20) DEFAULT NULL,
+        `phone` varchar(20) DEFAULT NULL,
+        PRIMARY KEY (`id`)
+) ENGINE=InnoDB;
 
 
 CREATE TABLE `order` (
- `id` int(11) NOT NULL AUTO_INCREMENT,
- `description` text,
- `when` datetime DEFAULT NULL,
- `location` text,
- `senderId` int(11) DEFAULT NULL,
- `receiverId` int(11) DEFAULT NULL,
- `price` int(11) DEFAULT NULL,
- `status` varchar(20) DEFAULT NULL,
- `comment` text,
- `timestamp` datetime DEFAULT NULL,
- PRIMARY KEY (`id`),
- KEY `fk_senderId` (`senderId`),
- CONSTRAINT `fk_senderId` FOREIGN KEY (`senderId`) REFERENCES `user` (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+         `id` int(11) NOT NULL AUTO_INCREMENT,
+         `description` text,
+         `when` datetime DEFAULT NULL,
+         `location` text,
+         `sender_id` int(11) DEFAULT NULL,
+         `receiver_id` int(11) DEFAULT NULL,
+         `price` int(11) DEFAULT NULL,
+         `status` varchar(20) DEFAULT NULL,
+         `comment` text,
+         `timestamp` datetime DEFAULT NULL,
+         PRIMARY KEY (`id`),
+         KEY `fk_sender_id` (`sender_id`),
+         CONSTRAINT `fk_sender_id` FOREIGN KEY (`sender_id`) REFERENCES `user` (`id`)
+) ENGINE=InnoDB;
 
 
 insert into `user` values(5,"betaberry","100299","110");