maven Intellij IDEA modifies the default Target bytecode version

Problem phenomenon: Use Intellij IDEA 2017.2 to create a new web project, use jdk1.8 version, the Target bytecode version should be set, and the Language level should be 1.8. However, every time a new module is added, all settings become the default 1.5.
//So you need to modify the pom.xml file

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
                <source>1.8</source>
                <target>1.8</target>
            </configuration>
        </plugin>
    </plugins>
</build>