使用过powerdesign的能不能帮忙解决一下这些警告?

SQL code

Category    Check    Object    LocationTable Column    Missing computed column expression    Column '服务端命令类型.主键'    <Model>::服务端命令类型

SQL code

Category    Check    Object    LocationTable    Existence of reference    Table '系统菜单'    <Model>

SQL code

Category    Check    Object    LocationTable    Existence of key    Table '服务器配置'    <Model>

SQL code

Category    Check    Object    LocationTable    Existence of index    Table '服务端命令类型'    <Model>