有两个jar missing

Description Resource Path Location Type

Project build error: 'dependencies.dependency.version' for org.springframework:spring-webmvc:jar is missing. pom.xml /spring-mvc-study Maven Webapp line 28 Maven pom Loading Problem

Description Resource Path Location Type

Project build error: 'dependencyManagement.dependencies.dependency.groupId' for null:spring-framework-bom:pom is missing. pom.xml /spring-mvc-study Maven Webapp line 18 Maven pom Loading Problem

要怎么解决啊。。。。