用继承方式实现，否则spring boot 插件无法导入

 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+   <parent>
+       <groupId>org.springframework.boot</groupId>
+       <artifactId>spring-boot-dependencies</artifactId>
+       <version>2.0.3.RELEASE</version>
+   </parent>
+
+
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.yoho</groupId>
     <artifactId>parent</artifactId>
@@ -11,7 +18,7 @@
     <properties>
         <java.version>1.8</java.version>
         <java.encoding>UTF-8</java.encoding>
-        <spring.boot.version>2.0.3.RELEASE</spring.boot.version>
+        <!--<spring.boot.version>2.0.3.RELEASE</spring.boot.version>-->
         <!-- spring版本号 -->
         <spring.version>5.0.7.RELEASE</spring.version>
         <!-- mybatis版本号 -->
@@ -267,13 +274,13 @@
             </dependency>
             <!-- spring核心包 -->
 
-            <dependency>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-dependencies</artifactId>
-                <version>${spring.boot.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
+            <!--<dependency>-->
+                <!--<groupId>org.springframework.boot</groupId>-->
+                <!--<artifactId>spring-boot-dependencies</artifactId>-->
+                <!--<version>${spring.boot.version}</version>-->
+                <!--<type>pom</type>-->
+                <!--<scope>import</scope>-->
+            <!--</dependency>-->
 
             <dependency>
                 <groupId>org.springframework</groupId>
@@ -867,6 +874,7 @@
         </plugins>
         <pluginManagement>
             <plugins>
+
                 <!-- jetty -->
                 <plugin>
                     <groupId>org.mortbay.jetty</groupId>