[货主管理](%E8%B4%A7%E4%B8%BB%E7%AE%A1%E7%90%86.md) [承运商管理](%E6%89%BF%E8%BF%90%E5%95%86%E7%AE%A1%E7%90%86.md) [自定义对象](%E8%87%AA%E5%AE%9A%E4%B9%89%E5%AF%B9%E8%B1%A1.md)