'求购用户', 'Type_id' => '类型', 'Price' => '价格', 'Stock' => '数量', 'Num' => '已完成数量', 'Total_price' => '总价', 'Fee' => '出售服务费', 'Status' => '状态', 'Frozen' => '冻结', 'Create_time' => '创建时间', 'Update_time' => '更新时间' ];