diff --git a/backend/app/models/models.py b/backend/app/models/models.py
index 63cc467e..4b7f1e50 100644
--- a/backend/app/models/models.py
+++ b/backend/app/models/models.py
@@ -1075,6 +1075,9 @@ class BizCollectionProtocol(Base):
     to_research_time = Column(DateTime, nullable=True, comment="协议转科研时间")
     to_research_desc = Column(String(512), nullable=True, comment="协议转科研描述")
     collector_user_id = Column(String(64), nullable=True, comment="采集专员用户ID")
+    protocol_total_amount = Column(Numeric(18, 2), nullable=True, comment="手填协议总金额")
+    source_presign_order_id = Column(String(64), nullable=True, comment="来源预签约订单ID")
+    payment_model_version = Column(SmallInteger, nullable=False, default=2, comment="缴费模型版本 1旧/2新")
     tenant_no = Column(String(64), nullable=False, default="zkxw", comment="租户编号")
     order_num = Column(Integer, nullable=True, comment="排序号")
     remark = Column(String(512), nullable=True, comment="备注信息")
@@ -1211,6 +1214,183 @@ class BizProtocolPaymentDetail(Base):
     del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")
 
 
+class BizProtocolSamplePayment(Base):
+    """采集协议单-按样本缴费方案 biz_protocol_sample_payment"""
+
+    __tablename__ = "biz_protocol_sample_payment"
+
+    id = Column(String(64), primary_key=True, comment="主键ID")
+    collection_protocol_id = Column(String(64), nullable=False, comment="采集协议单ID")
+    protocol_sample_id = Column(String(64), nullable=True, comment="协议样本ID（可空兜底）")
+    sample_code = Column(String(32), nullable=False, comment="样本编码（业务关联键）")
+    pay_mode = Column(String(8), nullable=False, comment="dj趸交 fq分期")
+    contract_amount = Column(Numeric(18, 2), nullable=True, comment="该样本合同金额")
+    installment_count = Column(Integer, nullable=True, comment="分期期数")
+    installment_interval_months = Column(Numeric(10, 2), nullable=True, comment="每期间隔（月）")
+    installment_start_date = Column(CHAR(8), nullable=True, comment="分期开始YYYYMMDD")
+    installment_advance_days = Column(Integer, nullable=True, comment="第2期起应缴费提前天数")
+    installment_ratios = Column(String(256), nullable=True, comment="各期缴费比例JSON数组")
+    lump_sum_deadline = Column(CHAR(8), nullable=True, comment="趸交截止时间YYYYMMDD")
+    tenant_no = Column(String(64), nullable=False, default="zkxw", comment="租户编号")
+    order_num = Column(Integer, nullable=True, comment="排序号")
+    remark = Column(String(512), nullable=True, comment="备注")
+    create_by = Column(String(64), nullable=True, comment="创建人id")
+    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
+    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
+    update_by = Column(String(64), nullable=True, comment="更新人id")
+    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
+    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")
+
+
+class BizProtocolPaymentSchedule(Base):
+    """采集协议单-应缴批次 biz_protocol_payment_schedule"""
+
+    __tablename__ = "biz_protocol_payment_schedule"
+
+    id = Column(String(64), primary_key=True, comment="主键ID")
+    sample_payment_id = Column(String(64), nullable=False, comment="样本缴费方案ID")
+    collection_protocol_id = Column(String(64), nullable=False, comment="采集协议单ID")
+    sample_code = Column(String(32), nullable=False, comment="样本编码")
+    schedule_no = Column(Integer, nullable=True, comment="期次序号")
+    due_amount = Column(Numeric(18, 2), nullable=True, comment="应缴金额")
+    due_date = Column(CHAR(8), nullable=True, comment="应缴日期YYYYMMDD")
+    schedule_status = Column(String(16), nullable=True, comment="批次状态 open/cleared/void")
+    tenant_no = Column(String(64), nullable=False, default="zkxw", comment="租户编号")
+    order_num = Column(Integer, nullable=True, comment="排序号")
+    remark = Column(String(512), nullable=True, comment="备注")
+    create_by = Column(String(64), nullable=True, comment="创建人id")
+    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
+    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
+    update_by = Column(String(64), nullable=True, comment="更新人id")
+    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
+    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")
+
+
+class BizProtocolPaymentTransfer(Base):
+    """采集协议单-缴费转账笔 biz_protocol_payment_transfer"""
+
+    __tablename__ = "biz_protocol_payment_transfer"
+
+    id = Column(String(64), primary_key=True, comment="主键ID")
+    schedule_id = Column(String(64), nullable=False, comment="应缴批次ID")
+    sample_payment_id = Column(String(64), nullable=False, comment="样本缴费方案ID")
+    collection_protocol_id = Column(String(64), nullable=False, comment="采集协议单ID")
+    sample_code = Column(String(32), nullable=False, comment="样本编码")
+    transfer_amount = Column(Numeric(18, 2), nullable=True, comment="转账金额")
+    transfer_time = Column(DateTime, nullable=True, comment="转账时间")
+    transfer_type = Column(String(16), nullable=True, comment="转账方式")
+    transfer_attachments = Column(Text, nullable=True, comment="转账附件")
+    pay_status = Column(String(32), nullable=False, default="dfj", comment="缴费状态 dfj/jfqrz/yjf")
+    finance_confirm_attachments = Column(Text, nullable=True, comment="缴费财务确认附件")
+    finance_remark = Column(String(512), nullable=True, comment="缴费财务确认备注")
+    tenant_no = Column(String(64), nullable=False, default="zkxw", comment="租户编号")
+    order_num = Column(Integer, nullable=True, comment="排序号")
+    remark = Column(String(512), nullable=True, comment="备注")
+    create_by = Column(String(64), nullable=True, comment="创建人id")
+    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
+    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
+    update_by = Column(String(64), nullable=True, comment="更新人id")
+    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
+    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")
+
+
+class BizProtocolRefundRecord(Base):
+    """采集协议单-退费登记 biz_protocol_refund_record"""
+
+    __tablename__ = "biz_protocol_refund_record"
+
+    id = Column(String(64), primary_key=True, comment="主键ID")
+    collection_protocol_id = Column(String(64), nullable=False, comment="采集协议单ID")
+    refund_amount = Column(Numeric(18, 2), nullable=True, comment="退费金额")
+    refund_time = Column(DateTime, nullable=True, comment="退费时间")
+    refund_remark = Column(String(512), nullable=True, comment="退费备注")
+    refund_attachments = Column(Text, nullable=True, comment="退费附件")
+    workflow_instance_id = Column(String(64), nullable=True, comment="OA工作流实例ID")
+    tenant_no = Column(String(64), nullable=False, default="zkxw", comment="租户编号")
+    order_num = Column(Integer, nullable=True, comment="排序号")
+    remark = Column(String(512), nullable=True, comment="备注")
+    create_by = Column(String(64), nullable=True, comment="创建人id")
+    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
+    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
+    update_by = Column(String(64), nullable=True, comment="更新人id")
+    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
+    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")
+
+
+class BizPresignOrder(Base):
+    """预签约订单 biz_presign_order"""
+
+    __tablename__ = "biz_presign_order"
+
+    id = Column(String(64), primary_key=True, comment="主键ID")
+    order_date = Column(CHAR(8), nullable=True, comment="业务日期YYYYMMDD")
+    protocol_no = Column(String(64), nullable=True, comment="协议编号")
+    mother_name = Column(String(64), nullable=True, comment="母亲姓名")
+    expected_delivery_date = Column(CHAR(8), nullable=True, comment="预产期YYYYMMDD")
+    region_id = Column(String(64), nullable=True, comment="采集地区ID")
+    hospital_id = Column(String(64), nullable=True, comment="医院ID")
+    sample_collect_time = Column(DateTime, nullable=True, comment="采集时间")
+    pay_mode = Column(String(8), nullable=True, comment="整单缴费方式 dj/fq")
+    contract_amount = Column(Numeric(18, 2), nullable=True, comment="整单合同金额")
+    sales_user_id = Column(String(64), nullable=True, comment="市场专员用户ID")
+    region_manager_user_id = Column(String(64), nullable=True, comment="地区经理用户ID")
+    order_status = Column(String(16), nullable=True, comment="订单状态 draft/active/converted/void")
+    converted_protocol_id = Column(String(64), nullable=True, comment="转成的正式协议ID")
+    tenant_no = Column(String(64), nullable=False, default="zkxw", comment="租户编号")
+    order_num = Column(Integer, nullable=True, comment="排序号")
+    remark = Column(String(512), nullable=True, comment="备注")
+    create_by = Column(String(64), nullable=True, comment="创建人id")
+    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
+    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
+    update_by = Column(String(64), nullable=True, comment="更新人id")
+    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
+    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")
+
+
+class BizPresignOrderSampleType(Base):
+    """预签约订单-样本类型 biz_presign_order_sample_type"""
+
+    __tablename__ = "biz_presign_order_sample_type"
+
+    id = Column(String(64), primary_key=True, comment="主键ID")
+    presign_order_id = Column(String(64), nullable=False, comment="预签约订单ID")
+    sample_type_id = Column(String(64), nullable=False, comment="样本类型ID")
+    tenant_no = Column(String(64), nullable=False, default="zkxw", comment="租户编号")
+    order_num = Column(Integer, nullable=True, comment="排序号")
+    remark = Column(String(512), nullable=True, comment="备注")
+    create_by = Column(String(64), nullable=True, comment="创建人id")
+    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
+    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
+    update_by = Column(String(64), nullable=True, comment="更新人id")
+    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
+    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")
+
+
+class BizPresignTransfer(Base):
+    """预签约订单-意向金转账笔 biz_presign_transfer"""
+
+    __tablename__ = "biz_presign_transfer"
+
+    id = Column(String(64), primary_key=True, comment="主键ID")
+    presign_order_id = Column(String(64), nullable=False, comment="预签约订单ID")
+    transfer_amount = Column(Numeric(18, 2), nullable=True, comment="转账金额")
+    transfer_time = Column(DateTime, nullable=True, comment="转账时间")
+    transfer_type = Column(String(16), nullable=True, comment="转账方式")
+    transfer_attachments = Column(Text, nullable=True, comment="转账附件")
+    pay_status = Column(String(32), nullable=False, default="dfj", comment="缴费状态 dfj/jfqrz/yjf")
+    finance_confirm_attachments = Column(Text, nullable=True, comment="缴费财务确认附件")
+    finance_remark = Column(String(512), nullable=True, comment="缴费财务确认备注")
+    tenant_no = Column(String(64), nullable=False, default="zkxw", comment="租户编号")
+    order_num = Column(Integer, nullable=True, comment="排序号")
+    remark = Column(String(512), nullable=True, comment="备注")
+    create_by = Column(String(64), nullable=True, comment="创建人id")
+    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
+    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
+    update_by = Column(String(64), nullable=True, comment="更新人id")
+    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
+    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")
+
+
 class BizProtocolInvoiceRequest(Base):
     """采集协议单开票申请主表 biz_protocol_invoice_request"""
 
diff --git a/docs/sql/biz_per_sample_payment_presign.sql b/docs/sql/biz_per_sample_payment_presign.sql
new file mode 100644
index 00000000..3434f64d
--- /dev/null
+++ b/docs/sql/biz_per_sample_payment_presign.sql
@@ -0,0 +1,236 @@
+-- 按样本缴费 + 预签约订单 + 协议退费登记
+-- MySQL 5.7 / utf8mb4
+-- 说明：
+--   1) biz_collection_protocol 增量字段用 information_schema 判断后 ADD，可重复执行
+--   2) payment_model_version 默认 2；首次升级将存量行置为 1（已有 version=1 则跳过 UPDATE）
+--   3) 新表 CREATE TABLE IF NOT EXISTS
+
+-- ---------------------------------------------------------------------------
+-- 1) 采集协议单增量字段
+-- ---------------------------------------------------------------------------
+SET @db := DATABASE();
+
+SET @col_exists := (
+  SELECT COUNT(*) FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'biz_collection_protocol' AND COLUMN_NAME = 'protocol_total_amount'
+);
+SET @sql := IF(@col_exists = 0,
+  'ALTER TABLE `biz_collection_protocol` ADD COLUMN `protocol_total_amount` DECIMAL(18,2) DEFAULT NULL COMMENT ''手填协议总金额'' AFTER `collector_user_id`',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @col_exists := (
+  SELECT COUNT(*) FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'biz_collection_protocol' AND COLUMN_NAME = 'source_presign_order_id'
+);
+SET @sql := IF(@col_exists = 0,
+  'ALTER TABLE `biz_collection_protocol` ADD COLUMN `source_presign_order_id` VARCHAR(64) DEFAULT NULL COMMENT ''来源预签约订单ID'' AFTER `protocol_total_amount`',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @col_exists := (
+  SELECT COUNT(*) FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'biz_collection_protocol' AND COLUMN_NAME = 'payment_model_version'
+);
+SET @sql := IF(@col_exists = 0,
+  'ALTER TABLE `biz_collection_protocol` ADD COLUMN `payment_model_version` SMALLINT NOT NULL DEFAULT 2 COMMENT ''缴费模型版本 1旧/2新'' AFTER `source_presign_order_id`',
+  'SELECT 1');
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+-- 存量协议走旧模型；若库中已有 version=1 则视为已回填，跳过（避免重跑误伤新单）
+SET @has_v1 := (
+  SELECT IF(EXISTS(
+    SELECT 1 FROM `biz_collection_protocol` WHERE `payment_model_version` = 1 LIMIT 1
+  ), 1, 0)
+);
+UPDATE `biz_collection_protocol`
+SET `payment_model_version` = 1
+WHERE @has_v1 = 0;
+
+-- ---------------------------------------------------------------------------
+-- 2) 样本缴费方案
+-- ---------------------------------------------------------------------------
+CREATE TABLE IF NOT EXISTS `biz_protocol_sample_payment` (
+  `id` varchar(64) NOT NULL COMMENT '主键ID',
+  `collection_protocol_id` varchar(64) NOT NULL COMMENT '采集协议单ID',
+  `protocol_sample_id` varchar(64) DEFAULT NULL COMMENT '协议样本ID（可空兜底）',
+  `sample_code` varchar(32) NOT NULL COMMENT '样本编码（业务关联键）',
+  `pay_mode` varchar(8) NOT NULL COMMENT 'dj趸交 fq分期',
+  `contract_amount` decimal(18,2) DEFAULT NULL COMMENT '该样本合同金额',
+  `installment_count` int(11) DEFAULT NULL COMMENT '分期期数',
+  `installment_interval_months` decimal(10,2) DEFAULT NULL COMMENT '每期间隔（月）',
+  `installment_start_date` char(8) DEFAULT NULL COMMENT '分期开始YYYYMMDD',
+  `installment_advance_days` int(11) DEFAULT NULL COMMENT '第2期起应缴费提前天数',
+  `installment_ratios` varchar(256) DEFAULT NULL COMMENT '各期缴费比例JSON数组',
+  `lump_sum_deadline` char(8) DEFAULT NULL COMMENT '趸交截止时间YYYYMMDD',
+  `tenant_no` varchar(64) NOT NULL DEFAULT 'zkxw' COMMENT '租户编号',
+  `order_num` int(11) DEFAULT NULL COMMENT '排序号',
+  `remark` varchar(512) DEFAULT NULL COMMENT '备注',
+  `create_by` varchar(64) DEFAULT NULL COMMENT '创建人id',
+  `create_dept_id` varchar(64) NOT NULL DEFAULT '' COMMENT '创建人部门ID',
+  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_by` varchar(64) DEFAULT NULL COMMENT '更新人id',
+  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  `del_flag` smallint(6) NOT NULL DEFAULT '0' COMMENT '删除标记',
+  PRIMARY KEY (`id`),
+  KEY `idx_psp_tenant_protocol` (`tenant_no`,`collection_protocol_id`,`del_flag`),
+  KEY `idx_psp_tenant_sample` (`tenant_no`,`sample_code`,`del_flag`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='采集协议单-按样本缴费方案';
+
+-- ---------------------------------------------------------------------------
+-- 3) 应缴批次
+-- ---------------------------------------------------------------------------
+CREATE TABLE IF NOT EXISTS `biz_protocol_payment_schedule` (
+  `id` varchar(64) NOT NULL COMMENT '主键ID',
+  `sample_payment_id` varchar(64) NOT NULL COMMENT '样本缴费方案ID',
+  `collection_protocol_id` varchar(64) NOT NULL COMMENT '采集协议单ID',
+  `sample_code` varchar(32) NOT NULL COMMENT '样本编码',
+  `schedule_no` int(11) DEFAULT NULL COMMENT '期次序号',
+  `due_amount` decimal(18,2) DEFAULT NULL COMMENT '应缴金额',
+  `due_date` char(8) DEFAULT NULL COMMENT '应缴日期YYYYMMDD',
+  `schedule_status` varchar(16) DEFAULT NULL COMMENT '批次状态 open/cleared/void',
+  `tenant_no` varchar(64) NOT NULL DEFAULT 'zkxw' COMMENT '租户编号',
+  `order_num` int(11) DEFAULT NULL COMMENT '排序号',
+  `remark` varchar(512) DEFAULT NULL COMMENT '备注',
+  `create_by` varchar(64) DEFAULT NULL COMMENT '创建人id',
+  `create_dept_id` varchar(64) NOT NULL DEFAULT '' COMMENT '创建人部门ID',
+  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_by` varchar(64) DEFAULT NULL COMMENT '更新人id',
+  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  `del_flag` smallint(6) NOT NULL DEFAULT '0' COMMENT '删除标记',
+  PRIMARY KEY (`id`),
+  KEY `idx_pps_tenant_protocol` (`tenant_no`,`collection_protocol_id`,`del_flag`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='采集协议单-应缴批次';
+
+-- ---------------------------------------------------------------------------
+-- 4) 转账笔（无退费字段）
+-- ---------------------------------------------------------------------------
+CREATE TABLE IF NOT EXISTS `biz_protocol_payment_transfer` (
+  `id` varchar(64) NOT NULL COMMENT '主键ID',
+  `schedule_id` varchar(64) NOT NULL COMMENT '应缴批次ID',
+  `sample_payment_id` varchar(64) NOT NULL COMMENT '样本缴费方案ID',
+  `collection_protocol_id` varchar(64) NOT NULL COMMENT '采集协议单ID',
+  `sample_code` varchar(32) NOT NULL COMMENT '样本编码',
+  `transfer_amount` decimal(18,2) DEFAULT NULL COMMENT '转账金额',
+  `transfer_time` datetime DEFAULT NULL COMMENT '转账时间',
+  `transfer_type` varchar(16) DEFAULT NULL COMMENT '转账方式',
+  `transfer_attachments` text COMMENT '转账附件',
+  `pay_status` varchar(32) NOT NULL DEFAULT 'dfj' COMMENT '缴费状态 dfj/jfqrz/yjf',
+  `finance_confirm_attachments` text COMMENT '缴费财务确认附件',
+  `finance_remark` varchar(512) DEFAULT NULL COMMENT '缴费财务确认备注',
+  `tenant_no` varchar(64) NOT NULL DEFAULT 'zkxw' COMMENT '租户编号',
+  `order_num` int(11) DEFAULT NULL COMMENT '排序号',
+  `remark` varchar(512) DEFAULT NULL COMMENT '备注',
+  `create_by` varchar(64) DEFAULT NULL COMMENT '创建人id',
+  `create_dept_id` varchar(64) NOT NULL DEFAULT '' COMMENT '创建人部门ID',
+  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_by` varchar(64) DEFAULT NULL COMMENT '更新人id',
+  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  `del_flag` smallint(6) NOT NULL DEFAULT '0' COMMENT '删除标记',
+  PRIMARY KEY (`id`),
+  KEY `idx_ppt_tenant_protocol` (`tenant_no`,`collection_protocol_id`,`del_flag`),
+  KEY `idx_ppt_tenant_sample` (`tenant_no`,`sample_code`,`del_flag`),
+  KEY `idx_ppt_tenant_pay_status` (`tenant_no`,`pay_status`,`del_flag`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='采集协议单-缴费转账笔';
+
+-- ---------------------------------------------------------------------------
+-- 5) 协议退费登记
+-- ---------------------------------------------------------------------------
+CREATE TABLE IF NOT EXISTS `biz_protocol_refund_record` (
+  `id` varchar(64) NOT NULL COMMENT '主键ID',
+  `collection_protocol_id` varchar(64) NOT NULL COMMENT '采集协议单ID',
+  `refund_amount` decimal(18,2) DEFAULT NULL COMMENT '退费金额',
+  `refund_time` datetime DEFAULT NULL COMMENT '退费时间',
+  `refund_remark` varchar(512) DEFAULT NULL COMMENT '退费备注',
+  `refund_attachments` text COMMENT '退费附件',
+  `workflow_instance_id` varchar(64) DEFAULT NULL COMMENT 'OA工作流实例ID',
+  `tenant_no` varchar(64) NOT NULL DEFAULT 'zkxw' COMMENT '租户编号',
+  `order_num` int(11) DEFAULT NULL COMMENT '排序号',
+  `remark` varchar(512) DEFAULT NULL COMMENT '备注',
+  `create_by` varchar(64) DEFAULT NULL COMMENT '创建人id',
+  `create_dept_id` varchar(64) NOT NULL DEFAULT '' COMMENT '创建人部门ID',
+  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_by` varchar(64) DEFAULT NULL COMMENT '更新人id',
+  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  `del_flag` smallint(6) NOT NULL DEFAULT '0' COMMENT '删除标记',
+  PRIMARY KEY (`id`),
+  KEY `idx_prr_tenant_protocol` (`tenant_no`,`collection_protocol_id`,`del_flag`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='采集协议单-退费登记';
+
+-- ---------------------------------------------------------------------------
+-- 6) 预签约订单
+-- ---------------------------------------------------------------------------
+CREATE TABLE IF NOT EXISTS `biz_presign_order` (
+  `id` varchar(64) NOT NULL COMMENT '主键ID',
+  `order_date` char(8) DEFAULT NULL COMMENT '业务日期YYYYMMDD',
+  `protocol_no` varchar(64) DEFAULT NULL COMMENT '协议编号',
+  `mother_name` varchar(64) DEFAULT NULL COMMENT '母亲姓名',
+  `expected_delivery_date` char(8) DEFAULT NULL COMMENT '预产期YYYYMMDD',
+  `region_id` varchar(64) DEFAULT NULL COMMENT '采集地区ID',
+  `hospital_id` varchar(64) DEFAULT NULL COMMENT '医院ID',
+  `sample_collect_time` datetime DEFAULT NULL COMMENT '采集时间',
+  `pay_mode` varchar(8) DEFAULT NULL COMMENT '整单缴费方式 dj/fq',
+  `contract_amount` decimal(18,2) DEFAULT NULL COMMENT '整单合同金额',
+  `sales_user_id` varchar(64) DEFAULT NULL COMMENT '市场专员用户ID',
+  `region_manager_user_id` varchar(64) DEFAULT NULL COMMENT '地区经理用户ID',
+  `order_status` varchar(16) DEFAULT NULL COMMENT '订单状态 draft/active/converted/void',
+  `converted_protocol_id` varchar(64) DEFAULT NULL COMMENT '转成的正式协议ID',
+  `tenant_no` varchar(64) NOT NULL DEFAULT 'zkxw' COMMENT '租户编号',
+  `order_num` int(11) DEFAULT NULL COMMENT '排序号',
+  `remark` varchar(512) DEFAULT NULL COMMENT '备注',
+  `create_by` varchar(64) DEFAULT NULL COMMENT '创建人id',
+  `create_dept_id` varchar(64) NOT NULL DEFAULT '' COMMENT '创建人部门ID',
+  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_by` varchar(64) DEFAULT NULL COMMENT '更新人id',
+  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  `del_flag` smallint(6) NOT NULL DEFAULT '0' COMMENT '删除标记',
+  PRIMARY KEY (`id`),
+  KEY `idx_po_tenant_protocol_no` (`tenant_no`,`protocol_no`,`del_flag`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='预签约订单';
+
+-- ---------------------------------------------------------------------------
+-- 7) 预签约样本类型
+-- ---------------------------------------------------------------------------
+CREATE TABLE IF NOT EXISTS `biz_presign_order_sample_type` (
+  `id` varchar(64) NOT NULL COMMENT '主键ID',
+  `presign_order_id` varchar(64) NOT NULL COMMENT '预签约订单ID',
+  `sample_type_id` varchar(64) NOT NULL COMMENT '样本类型ID',
+  `tenant_no` varchar(64) NOT NULL DEFAULT 'zkxw' COMMENT '租户编号',
+  `order_num` int(11) DEFAULT NULL COMMENT '排序号',
+  `remark` varchar(512) DEFAULT NULL COMMENT '备注',
+  `create_by` varchar(64) DEFAULT NULL COMMENT '创建人id',
+  `create_dept_id` varchar(64) NOT NULL DEFAULT '' COMMENT '创建人部门ID',
+  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_by` varchar(64) DEFAULT NULL COMMENT '更新人id',
+  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  `del_flag` smallint(6) NOT NULL DEFAULT '0' COMMENT '删除标记',
+  PRIMARY KEY (`id`),
+  KEY `idx_post_presign` (`tenant_no`,`presign_order_id`,`del_flag`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='预签约订单-样本类型';
+
+-- ---------------------------------------------------------------------------
+-- 8) 预签约意向金转账笔
+-- ---------------------------------------------------------------------------
+CREATE TABLE IF NOT EXISTS `biz_presign_transfer` (
+  `id` varchar(64) NOT NULL COMMENT '主键ID',
+  `presign_order_id` varchar(64) NOT NULL COMMENT '预签约订单ID',
+  `transfer_amount` decimal(18,2) DEFAULT NULL COMMENT '转账金额',
+  `transfer_time` datetime DEFAULT NULL COMMENT '转账时间',
+  `transfer_type` varchar(16) DEFAULT NULL COMMENT '转账方式',
+  `transfer_attachments` text COMMENT '转账附件',
+  `pay_status` varchar(32) NOT NULL DEFAULT 'dfj' COMMENT '缴费状态 dfj/jfqrz/yjf',
+  `finance_confirm_attachments` text COMMENT '缴费财务确认附件',
+  `finance_remark` varchar(512) DEFAULT NULL COMMENT '缴费财务确认备注',
+  `tenant_no` varchar(64) NOT NULL DEFAULT 'zkxw' COMMENT '租户编号',
+  `order_num` int(11) DEFAULT NULL COMMENT '排序号',
+  `remark` varchar(512) DEFAULT NULL COMMENT '备注',
+  `create_by` varchar(64) DEFAULT NULL COMMENT '创建人id',
+  `create_dept_id` varchar(64) NOT NULL DEFAULT '' COMMENT '创建人部门ID',
+  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+  `update_by` varchar(64) DEFAULT NULL COMMENT '更新人id',
+  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+  `del_flag` smallint(6) NOT NULL DEFAULT '0' COMMENT '删除标记',
+  PRIMARY KEY (`id`),
+  KEY `idx_pt_tenant_pay_status` (`tenant_no`,`pay_status`,`del_flag`),
+  KEY `idx_pt_presign` (`tenant_no`,`presign_order_id`,`del_flag`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='预签约订单-意向金转账笔';