No plugin found for prefix 'help' in the current project and in the plugin groups [org.apache.maven.

遠程倉庫地址配置也是正確的，mvn -v 可以獲取版本信息，但一直報錯 No plugin found for prefix ‘help’ in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repositories [loc

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