'dependencies.dependency.version' for com.baomidou:mybatis-plus-boot-starter:jar is missin

我的是springboot多模块

父模块中引入了mybatis-plus的版本 不知道为什么在 mvn dependency:tree 时报错了

说是子模块没有设定mybatis-plus的版本 后再子模块加入版本号后不报错了，项目也可以正常启动了。

有懂的大神给看看什么问题

父pom

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.zjf</groupId>
    <artifactId>springCloudAlibaba</artifactId>
    <packaging>pom</packaging>
    <version>1.0-SNAPSHOT</version>
<modules>
        <module>cloud-service</module>
        <module>user-server</module>
</modules>
<parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.6.13</version>
        <relativePath/>
    </parent>


    <properties>
        <java.version>1.8</java.version>
        <!-- 编译时的编码 -->
        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
        <!-- 文件拷贝时的编码 -->
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <spring-boot.version>2.6.13</spring-boot.version>
        <mybatis-plus.version>3.5.1</mybatis-plus.version>
    </properties>
<!-- 全局引入下载依赖地址，并不会引入依赖 -->
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>com.baomidou</groupId>
                <artifactId>mybatis-plus-boot-starter</artifactId>
                <version>${mybatis-plus.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
</project>

子pom

<dependency>
    <groupId>com.baomidou</groupId>
    <artifactId>mybatis-plus-boot-starter</artifactId>
</dependency>