diff --git a/backend/.idea/encodings.xml b/backend/.idea/encodings.xml
index 0e1c064..63574ec 100644
--- a/backend/.idea/encodings.xml
+++ b/backend/.idea/encodings.xml
@@ -2,6 +2,7 @@
 <project version="4">
   <component name="Encoding" defaultCharsetForPropertiesFiles="UTF-8">
     <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
     <file url="PROJECT" charset="UTF-8" />
   </component>
 </project>
\ No newline at end of file
diff --git a/backend/.idea/misc.xml b/backend/.idea/misc.xml
index 71dd7aa..c85cfde 100644
--- a/backend/.idea/misc.xml
+++ b/backend/.idea/misc.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="MavenProjectsManager">
     <option name="originalFiles">
       <list>
diff --git a/backend/.mvn/wrapper/maven-wrapper.jar b/backend/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000..c1dd12f
Binary files /dev/null and b/backend/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/backend/.run/Application.run.xml b/backend/.run/Application.run.xml
deleted file mode 100644
index 6d72eaa..0000000
--- a/backend/.run/Application.run.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Application" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot">
-    <option name="ACTIVE_PROFILES" />
-    <module name="entrance" />
-    <option name="SPRING_BOOT_MAIN_CLASS" value="com.cxyxiaomo.entrance.Application" />
-    <method v="2">
-      <option name="Make" enabled="true" />
-    </method>
-  </configuration>
-</component>
\ No newline at end of file
diff --git a/backend/pom.xml b/backend/pom.xml
index e3b85a7..6ec97fc 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -1,63 +1,111 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<parent>
-		<groupId>org.springframework.boot</groupId>
-		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.7.4</version>
-		<relativePath/> <!-- lookup parent from repository -->
-	</parent>
-	<groupId>com.cxyxiaomo</groupId>
-	<artifactId>entrance</artifactId>
-	<version>0.0.1-SNAPSHOT</version>
-	<name>Epidemic prevention platform</name>
-	<description></description>
-	<properties>
-		<java.version>11</java.version>
-	</properties>
-	<dependencies>
-		<!-- spring -->
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.7.4</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.cxyxiaomo</groupId>
+    <artifactId>entrance</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>Epidemic prevention platform</name>
+    <description>Epidemic prevention platform</description>
+    <properties>
+        <java.version>11</java.version>
+    </properties>
+    <dependencies>
+        <!-- Spring -->
+        <!-- spring-boot-starter -->
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>
+            <version>2.7.4</version>
 			<scope>test</scope>
 		</dependency>
-		<!-- mybatis -->
-		<dependency>
-			<groupId>org.mybatis.spring.boot</groupId>
-			<artifactId>mybatis-spring-boot-starter</artifactId>
-			<version>2.2.2</version>
-		</dependency>
-		<!-- mysql -->
-		<dependency>
-			<groupId>mysql</groupId>
-			<artifactId>mysql-connector-java</artifactId>
-			<scope>runtime</scope>
-		</dependency>
-		<!-- lombok -->
-		<dependency>
-			<groupId>org.projectlombok</groupId>
-			<artifactId>lombok</artifactId>
-			<optional>true</optional>
-		</dependency>
-	</dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jdbc</artifactId>
+            <version>2.7.4</version>
+        </dependency>
 
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-maven-plugin</artifactId>
-				<configuration>
-					<excludes>
-						<exclude>
-							<groupId>org.projectlombok</groupId>
-							<artifactId>lombok</artifactId>
-						</exclude>
-					</excludes>
-				</configuration>
-			</plugin>
-		</plugins>
-	</build>
+
+        <!-- Database -->
+		<!-- mybatis -->
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-starter</artifactId>
+            <version>2.2.2</version>
+        </dependency>
+		<!-- mysql -->
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+
+        <!-- Others -->
+		<!-- lombok -->
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+    <repositories>
+        <repository>
+            <id>spring-milestones</id>
+            <name>Spring Milestones</name>
+            <url>https://repo.spring.io/milestone</url>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+        </repository>
+        <repository>
+            <id>spring-snapshots</id>
+            <name>Spring Snapshots</name>
+            <url>https://repo.spring.io/snapshot</url>
+            <releases>
+                <enabled>false</enabled>
+            </releases>
+        </repository>
+    </repositories>
+    <pluginRepositories>
+        <pluginRepository>
+            <id>spring-milestones</id>
+            <name>Spring Milestones</name>
+            <url>https://repo.spring.io/milestone</url>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+        </pluginRepository>
+        <pluginRepository>
+            <id>spring-snapshots</id>
+            <name>Spring Snapshots</name>
+            <url>https://repo.spring.io/snapshot</url>
+            <releases>
+                <enabled>false</enabled>
+            </releases>
+        </pluginRepository>
+    </pluginRepositories>
 
 </project>
diff --git a/backend/src/main/java/com/cxyxiaomo/entrance/Application.java b/backend/src/main/java/com/cxyxiaomo/entrance/Application.java
index ed9321a..b01237a 100644
--- a/backend/src/main/java/com/cxyxiaomo/entrance/Application.java
+++ b/backend/src/main/java/com/cxyxiaomo/entrance/Application.java
@@ -6,8 +6,8 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 @SpringBootApplication
 public class Application {
 
-	public static void main(String[] args) {
-		SpringApplication.run(Application.class, args);
-	}
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
 
 }
diff --git a/backend/src/main/resources/application.properties b/backend/src/main/resources/application.properties
index 8b13789..e129fb3 100644
--- a/backend/src/main/resources/application.properties
+++ b/backend/src/main/resources/application.properties
@@ -1 +1,5 @@
-
+# MySQL配置
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+spring.datasource.url=jdbc:mysql://127.0.0.1:3306/epp?useUnicode=true&characterEncoding=utf8&useSSL=false
+spring.datasource.username=root
+spring.datasource.password=root
\ No newline at end of file
diff --git a/backend/src/test/java/com/cxyxiaomo/entrance/ApplicationTests.java b/backend/src/test/java/com/cxyxiaomo/entrance/ApplicationTests.java
index 53b7b2a..95a9f80 100644
--- a/backend/src/test/java/com/cxyxiaomo/entrance/ApplicationTests.java
+++ b/backend/src/test/java/com/cxyxiaomo/entrance/ApplicationTests.java
@@ -6,8 +6,8 @@ import org.springframework.boot.test.context.SpringBootTest;
 @SpringBootTest
 class ApplicationTests {
 
-	@Test
-	void contextLoads() {
-	}
+    @Test
+    void contextLoads() {
+    }
 
 }
diff --git a/database/epp.sql b/database/epp.sql
new file mode 100644
index 0000000..bb5fbc9
--- /dev/null
+++ b/database/epp.sql
@@ -0,0 +1,20 @@
+/*
+ Navicat Premium Data Transfer
+
+ Source Server         : localhost MySQL 8.0
+ Source Server Type    : MySQL
+ Source Server Version : 80012
+ Source Host           : localhost:3306
+ Source Schema         : epp
+
+ Target Server Type    : MySQL
+ Target Server Version : 80012
+ File Encoding         : 65001
+
+ Date: 21/10/2022 01:13:14
+*/
+
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+SET FOREIGN_KEY_CHECKS = 1;