             amount      = order["to_pay"] as? Int,
             evaluated   = order["evaluated"] as? Bool,
             isteacherPublished = order["is_teacher_published"] as? Bool {
-            
+            // 创建订单模型
             let orderForm = OrderForm(id: id, orderId: orderId, teacherId: teacher, teacherName: teacherName, schoolId: schoolId, schoolName: schoolName, gradeName: grade, subjectName: subject, orderStatus: status, amount: amount, evaluated: evaluated, teacherPublished: isteacherPublished)
-            
+            // 教师头像
             if let avatar = order["teacher_avatar"] as? String {
                 orderForm.avatarURL = avatar
             }

        isTimeAllocated = orderInfo["is_timeslot_allocated"] as? Bool,
        isteacherPublished = orderInfo["is_teacher_published"] as? Bool {
        // 订单信息
        let order = OrderForm(id: id, orderId: orderId, teacherId: teacher, teacherName: teacherName, avatarURL: avatar, schoolId: schoolId, schoolName: school, gradeName: grade, subjectName: subject, orderStatus: status, hours: hours, amount: amount, timeSlots: timeSlots, createAt: createdAt, evaluated: evaluated, teacherPublished: isteacherPublished)
        // 判断是否存在支付时间（未支付状态无此数据）
        if let paidAt = orderInfo["paid_at"] as? NSTimeInterval {
            order.paidAt = paidAt

        if let chargeChannel   = orderInfo["charge_channel"] as? String {
            order.chargeChannel = chargeChannel
        }
        // 教师头像
        if let avatar = orderInfo["teacher_avatar"] as? String {
            order.avatarURL = avatar
        }
        return order
    }
    return nil
