更新RM

xxl-job-executor-samples/xxl-job-executor-sample-springboot/pom.xml

             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${spring-boot.version}</version>
                 <executions>
                     <execution>
                         <goals>