add:maven打包版本指定

distributed-print/pom.xml

@@ -39,6 +39,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>2.6.2</version>
                 <configuration>
                     <includeSystemScope>true</includeSystemScope>
                 </configuration>

teachcloud-report/pom.xml

@@ -39,6 +39,7 @@
 			<plugin>
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-maven-plugin</artifactId>
+				<version>2.6.2</version>
 				<configuration>
 					<includeSystemScope>true</includeSystemScope>
 				</configuration>

teachcloud-task/pom.xml

@@ -33,6 +33,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>2.6.2</version>
                 <configuration>
                     <includeSystemScope>true</includeSystemScope>
                 </configuration>