diff --git a/pom.xml b/pom.xml
index 5678002..943ab97 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,8 +14,9 @@
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
         <java.version>11</java.version>
-        <spring.version>5.3.10</spring.version>
+        <spring.version>5.2.15.RELEASE</spring.version>
         <mysql.version>8.0.30</mysql.version>
+        <spring.boot.version>2.3.12.RELEASE</spring.boot.version>
     </properties>
 
     <modules>
@@ -39,39 +40,19 @@
 
     <dependencies>
         <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-context</artifactId>
-            <version>${spring.version}</version>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <version>${spring.boot.version}</version>
         </dependency>
         <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-aspects</artifactId>
-            <version>${spring.version}</version>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-aop</artifactId>
+            <version>${spring.boot.version}</version>
         </dependency>
         <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-aop</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-tx</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-webmvc</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-jdbc</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>mysql</groupId>
-            <artifactId>mysql-connector-java</artifactId>
-            <version>${mysql.version}</version>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-jdbc</artifactId>
+            <version>${spring.boot.version}</version>
         </dependency>
     </dependencies>
 
diff --git a/spring-aware/spring-aware-applicationStartupAware/pom.xml b/spring-aware/spring-aware-applicationStartupAware/pom.xml
index 7d5df82..45dc297 100644
--- a/spring-aware/spring-aware-applicationStartupAware/pom.xml
+++ b/spring-aware/spring-aware-applicationStartupAware/pom.xml
@@ -7,15 +7,8 @@
         <groupId>com.xcs.spring</groupId>
         <version>0.0.1-SNAPSHOT</version>
     </parent>
-    <modelVersion>4.0.0</modelVersion>
 
+    <modelVersion>4.0.0</modelVersion>
     <artifactId>spring-aware-applicationStartupAware</artifactId>
 
-    <dependencies>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter</artifactId>
-            <version>2.5.5</version>
-        </dependency>
-    </dependencies>
 </project>
\ No newline at end of file
diff --git a/spring-transaction/pom.xml b/spring-transaction/pom.xml
index dc2105a..039ab31 100644
--- a/spring-transaction/pom.xml
+++ b/spring-transaction/pom.xml
@@ -26,4 +26,12 @@
         <module>spring-transaction-transactionInterceptor</module>
     </modules>
 
+    <dependencies>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>${mysql.version}</version>
+        </dependency>
+    </dependencies>
+
 </project>
\ No newline at end of file
diff --git a/spring-transaction/spring-transaction-springTransactionAnnotationParser/src/main/java/com/xcs/spring/ScoresServiceImpl.java b/spring-transaction/spring-transaction-springTransactionAnnotationParser/src/main/java/com/xcs/spring/ScoresServiceImpl.java
index 027e441..0069457 100644
--- a/spring-transaction/spring-transaction-springTransactionAnnotationParser/src/main/java/com/xcs/spring/ScoresServiceImpl.java
+++ b/spring-transaction/spring-transaction-springTransactionAnnotationParser/src/main/java/com/xcs/spring/ScoresServiceImpl.java
@@ -10,8 +10,7 @@ public class ScoresServiceImpl implements ScoresService {
             readOnly = true,
             rollbackFor = Exception.class,
             isolation = Isolation.REPEATABLE_READ,
-            timeout = 30,
-            label = {"tx1", "tx2"}
+            timeout = 30
     )
     public void insertScore() {
         // TODO
diff --git a/spring-transaction/spring-transaction-transactionAttributeSource/src/main/java/com/xcs/spring/ScoresServiceImpl.java b/spring-transaction/spring-transaction-transactionAttributeSource/src/main/java/com/xcs/spring/ScoresServiceImpl.java
index 027e441..0069457 100644
--- a/spring-transaction/spring-transaction-transactionAttributeSource/src/main/java/com/xcs/spring/ScoresServiceImpl.java
+++ b/spring-transaction/spring-transaction-transactionAttributeSource/src/main/java/com/xcs/spring/ScoresServiceImpl.java
@@ -10,8 +10,7 @@ public class ScoresServiceImpl implements ScoresService {
             readOnly = true,
             rollbackFor = Exception.class,
             isolation = Isolation.REPEATABLE_READ,
-            timeout = 30,
-            label = {"tx1", "tx2"}
+            timeout = 30
     )
     public void insertScore() {
         // TODO