diff --git a/java/pom.xml b/java/pom.xml
index 3663742..23fd09a 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -1,11 +1,11 @@
 <?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">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://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>2.2.6.RELEASE</version>
+        <version>2.1.5.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.hzu</groupId>
@@ -21,20 +21,30 @@
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-security</artifactId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-jdbc</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid</artifactId>
+            <version>1.1.4</version>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
         <dependency>
-            <groupId>org.mybatis.spring.boot</groupId>
-            <artifactId>mybatis-spring-boot-starter</artifactId>
-            <version>2.1.2</version>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
         </dependency>
 
         <dependency>
@@ -43,19 +53,9 @@
             <optional>true</optional>
         </dependency>
         <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-test</artifactId>
-            <scope>test</scope>
-            <exclusions>
-                <exclusion>
-                    <groupId>org.junit.vintage</groupId>
-                    <artifactId>junit-vintage-engine</artifactId>
-                </exclusion>
-            </exclusions>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework.security</groupId>
-            <artifactId>spring-security-test</artifactId>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>RELEASE</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/java/src/main/java/com/hzu/bookingsystem/VO/test.java b/java/src/main/java/com/hzu/bookingsystem/VO/test.java
deleted file mode 100644
index e69de29..0000000
diff --git a/java/src/main/resources/application.properties b/java/src/main/resources/application.properties
index 0aaf2ac..9e0cb59 100644
--- a/java/src/main/resources/application.properties
+++ b/java/src/main/resources/application.properties
@@ -2,11 +2,4 @@ server.tomcat.uri-encoding=UTF-8
 server.servlet.context-path=/lb
 server.port=8080
 
-### mysql连接信息
-spring.datasource.url=jdbc:mysql://127.0.0.1:3306/lab_booking?characterEncoding=utf-8&serverTimezone=UTC
-### 用户名
-spring.datasource.username=root
-### 密码
-spring.datasource.password=123456
-### 驱动
-spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
\ No newline at end of file
+spring.jpa.show-sql=true
diff --git a/java/src/main/resources/application.yml b/java/src/main/resources/application.yml
new file mode 100644
index 0000000..62da168
--- /dev/null
+++ b/java/src/main/resources/application.yml
@@ -0,0 +1,26 @@
+spring:
+  datasource:
+    username: root
+    password: 123456
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://127.0.0.1:3306/lab_booking?characterEncoding=utf-8&serverTimezone=UTC
+    type: com.alibaba.druid.pool.DruidDataSource
+
+    initialSize: 5
+    minIdle: 5
+    maxActive: 20
+    maxWait: 60000
+    timeBetweenEvictionRunsMillis: 60000
+    minEvictableIdleTimeMillis: 300000
+    validationQuery: SELECT 1 FROM DUAL
+    testWhileIdle: true
+    testOnBorrow: false
+    testOnReturn: false
+    poolPreparedStatements: true
+
+    filters: stat,wall,log4j
+    maxPoolPreparedStatementPerConnectionSize: 20
+    useGlobalDataourceStat: true
+    connectionProperties: druid.stat.mergeSql=true:druid.stat.slowSqlMillis=500
+
+