update document

pom.xml

@@ -26,7 +26,7 @@
 
 		<xxl-rpc.version>1.4.1</xxl-rpc.version>
 
-		<spring.version>4.3.24.RELEASE</spring.version>
+		<spring.version>4.3.25.RELEASE</spring.version>
 		<spring-boot.version>1.5.22.RELEASE</spring-boot.version>
 		<mybatis-spring-boot-starter.version>1.3.5</mybatis-spring-boot-starter.version>
 		<mysql-connector-java.version>5.1.48</mysql-connector-java.version>