diff --git a/jshERP-boot/docs/jsh_erp.sql b/jshERP-boot/docs/jsh_erp.sql
index 67372873..d68f012f 100644
--- a/jshERP-boot/docs/jsh_erp.sql
+++ b/jshERP-boot/docs/jsh_erp.sql
@@ -10,7 +10,7 @@ Target Server Type    : MYSQL
 Target Server Version : 50704
 File Encoding         : 65001
 
-Date: 2021-12-09 00:41:43
+Date: 2021-12-12 23:29:17
 */
 
 SET FOREIGN_KEY_CHECKS=0;
@@ -150,6 +150,7 @@ CREATE TABLE `jsh_depot_head` (
   `creator` bigint(20) DEFAULT NULL COMMENT '操作员',
   `account_id` bigint(20) DEFAULT NULL COMMENT '账户id',
   `change_amount` decimal(24,6) DEFAULT NULL COMMENT '变动金额(收款/付款)',
+  `back_amount` decimal(24,6) DEFAULT NULL COMMENT '找零金额',
   `total_price` decimal(24,6) DEFAULT NULL COMMENT '合计金额',
   `pay_type` varchar(50) DEFAULT NULL COMMENT '付款类型(现金、记账等)',
   `bill_type` varchar(50) DEFAULT NULL COMMENT '单据类型',
@@ -174,22 +175,22 @@ CREATE TABLE `jsh_depot_head` (
 -- ----------------------------
 -- Records of jsh_depot_head
 -- ----------------------------
-INSERT INTO `jsh_depot_head` VALUES ('258', '其它', '采购订单', 'CGDD00000000630', 'CGDD00000000630', '2021-06-02 00:21:54', '2021-06-02 00:21:44', '57', '63', null, null, '-110.000000', '现付', null, null, null, null, null, null, null, null, null, null, '2', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('259', '入库', '采购', 'CGRK00000000631', 'CGRK00000000631', '2021-06-02 00:22:23', '2021-06-02 00:22:05', '57', '63', '17', '-110.000000', '-110.000000', '现付', null, null, null, null, '', '', '0.000000', '0.000000', '110.000000', '0.000000', '0', 'CGDD00000000630', '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('260', '出库', '采购退货', 'CGTH00000000632', 'CGTH00000000632', '2021-06-02 00:22:35', '2021-06-02 00:22:26', '57', '63', '17', '22.000000', '22.000000', '现付', null, null, null, null, null, null, '0.000000', '0.000000', '22.000000', '0.000000', '0', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('261', '其它', '销售订单', 'XSDD00000000633', 'XSDD00000000633', '2021-06-02 00:22:48', '2021-06-02 00:22:39', '58', '63', null, null, '44.000000', '现付', null, null, null, '', null, null, null, null, null, null, '2', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('262', '出库', '销售', 'XSCK00000000634', 'XSCK00000000634', '2021-06-02 00:23:03', '2021-06-02 00:22:54', '58', '63', '17', '44.000000', '44.000000', '现付', null, null, null, '', '', '', '0.000000', '0.000000', '44.000000', '0.000000', '0', 'XSDD00000000633', '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('263', '入库', '销售退货', 'XSTH00000000635', 'XSTH00000000635', '2021-06-02 00:23:12', '2021-06-02 00:23:05', '71', '63', '17', '-22.000000', '-22.000000', '现付', null, null, null, '', '', '', '0.000000', '0.000000', '22.000000', '0.000000', '0', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('264', '出库', '零售', 'LSCK00000000636', 'LSCK00000000636', '2021-06-02 00:23:21', '2021-06-02 00:23:14', '60', '63', '17', '22.000000', '22.000000', '现付', null, null, null, null, null, null, null, null, null, null, '0', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('265', '入库', '零售退货', 'LSTH00000000637', 'LSTH00000000637', '2021-06-02 00:23:29', '2021-06-02 00:23:23', '60', '63', '17', '-22.000000', '-22.000000', '现付', null, null, null, null, null, null, null, null, null, null, '0', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('266', '入库', '其它', 'QTRK00000000638', 'QTRK00000000638', '2021-06-02 00:23:48', '2021-06-02 00:23:36', '57', '63', null, null, '55.000000', '现付', null, null, null, null, null, null, null, null, null, null, '1', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('267', '出库', '其它', 'QTCK00000000639', 'QTCK00000000639', '2021-06-02 00:23:59', '2021-06-02 00:23:50', '58', '63', null, null, '30.000000', '现付', null, null, null, null, null, null, null, null, null, null, '0', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('268', '出库', '调拨', 'DBCK00000000640', 'DBCK00000000640', '2021-06-02 00:24:09', '2021-06-02 00:24:00', null, '63', null, null, '11.000000', '现付', null, null, null, null, null, null, null, null, null, null, '0', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('269', '其它', '组装单', 'ZZD00000000641', 'ZZD00000000641', '2021-06-02 00:24:29', '2021-06-02 00:24:11', null, '63', null, null, '0.000000', '现付', null, null, null, null, null, null, null, null, null, null, '0', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('270', '其它', '拆卸单', 'CXD00000000642', 'CXD00000000642', '2021-06-02 00:24:45', '2021-06-02 00:24:32', null, '63', null, null, '0.000000', '现付', null, null, null, null, null, null, null, null, null, null, '0', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('271', '入库', '采购', 'CGRK00000000651', 'CGRK00000000651', '2021-07-06 23:45:20', '2021-07-06 23:44:45', '57', '63', '17', '-20.000000', '-80.000000', '现付', null, null, null, null, '', '', '0.000000', '0.000000', '80.000000', '0.000000', '0', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('272', '出库', '销售', 'XSCK00000000652', 'XSCK00000000652', '2021-07-06 23:46:07', '2021-07-06 23:45:24', '58', '63', '17', '8.000000', '28.000000', '现付', null, null, null, '', '', '', '0.000000', '0.000000', '28.000000', '0.000000', '0', null, '63', '0');
-INSERT INTO `jsh_depot_head` VALUES ('273', '入库', '采购', 'CGRK00000000658', 'CGRK00000000658', '2021-07-28 00:58:12', '2021-07-28 00:58:02', '57', '63', '17', '-60.000000', '-60.000000', '现付', null, null, null, null, '', '', '0.000000', '0.000000', '60.000000', '0.000000', '0', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('258', '其它', '采购订单', 'CGDD00000000630', 'CGDD00000000630', '2021-06-02 00:21:54', '2021-06-02 00:21:44', '57', '63', null, null, null, '-110.000000', '现付', null, null, null, null, null, null, null, null, null, null, '2', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('259', '入库', '采购', 'CGRK00000000631', 'CGRK00000000631', '2021-06-02 00:22:23', '2021-06-02 00:22:05', '57', '63', '17', '-110.000000', null, '-110.000000', '现付', null, null, null, null, '', '', '0.000000', '0.000000', '110.000000', '0.000000', '0', 'CGDD00000000630', '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('260', '出库', '采购退货', 'CGTH00000000632', 'CGTH00000000632', '2021-06-02 00:22:35', '2021-06-02 00:22:26', '57', '63', '17', '22.000000', null, '22.000000', '现付', null, null, null, null, null, null, '0.000000', '0.000000', '22.000000', '0.000000', '0', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('261', '其它', '销售订单', 'XSDD00000000633', 'XSDD00000000633', '2021-06-02 00:22:48', '2021-06-02 00:22:39', '58', '63', null, null, null, '44.000000', '现付', null, null, null, '', null, null, null, null, null, null, '2', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('262', '出库', '销售', 'XSCK00000000634', 'XSCK00000000634', '2021-06-02 00:23:03', '2021-06-02 00:22:54', '58', '63', '17', '44.000000', null, '44.000000', '现付', null, null, null, '', '', '', '0.000000', '0.000000', '44.000000', '0.000000', '0', 'XSDD00000000633', '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('263', '入库', '销售退货', 'XSTH00000000635', 'XSTH00000000635', '2021-06-02 00:23:12', '2021-06-02 00:23:05', '71', '63', '17', '-22.000000', null, '-22.000000', '现付', null, null, null, '', '', '', '0.000000', '0.000000', '22.000000', '0.000000', '0', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('264', '出库', '零售', 'LSCK00000000636', 'LSCK00000000636', '2021-06-02 00:23:21', '2021-06-02 00:23:14', '60', '63', '17', '22.000000', null, '22.000000', '现付', null, null, null, null, null, null, null, null, null, null, '0', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('265', '入库', '零售退货', 'LSTH00000000637', 'LSTH00000000637', '2021-06-02 00:23:29', '2021-06-02 00:23:23', '60', '63', '17', '-22.000000', null, '-22.000000', '现付', null, null, null, null, null, null, null, null, null, null, '0', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('266', '入库', '其它', 'QTRK00000000638', 'QTRK00000000638', '2021-06-02 00:23:48', '2021-06-02 00:23:36', '57', '63', null, null, null, '55.000000', '现付', null, null, null, null, null, null, null, null, null, null, '1', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('267', '出库', '其它', 'QTCK00000000639', 'QTCK00000000639', '2021-06-02 00:23:59', '2021-06-02 00:23:50', '58', '63', null, null, null, '30.000000', '现付', null, null, null, null, null, null, null, null, null, null, '0', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('268', '出库', '调拨', 'DBCK00000000640', 'DBCK00000000640', '2021-06-02 00:24:09', '2021-06-02 00:24:00', null, '63', null, null, null, '11.000000', '现付', null, null, null, null, null, null, null, null, null, null, '0', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('269', '其它', '组装单', 'ZZD00000000641', 'ZZD00000000641', '2021-06-02 00:24:29', '2021-06-02 00:24:11', null, '63', null, null, null, '0.000000', '现付', null, null, null, null, null, null, null, null, null, null, '0', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('270', '其它', '拆卸单', 'CXD00000000642', 'CXD00000000642', '2021-06-02 00:24:45', '2021-06-02 00:24:32', null, '63', null, null, null, '0.000000', '现付', null, null, null, null, null, null, null, null, null, null, '0', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('271', '入库', '采购', 'CGRK00000000651', 'CGRK00000000651', '2021-07-06 23:45:20', '2021-07-06 23:44:45', '57', '63', '17', '-20.000000', null, '-80.000000', '现付', null, null, null, null, '', '', '0.000000', '0.000000', '80.000000', '0.000000', '0', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('272', '出库', '销售', 'XSCK00000000652', 'XSCK00000000652', '2021-07-06 23:46:07', '2021-07-06 23:45:24', '58', '63', '17', '8.000000', null, '28.000000', '现付', null, null, null, '', '', '', '0.000000', '0.000000', '28.000000', '0.000000', '0', null, '63', '0');
+INSERT INTO `jsh_depot_head` VALUES ('273', '入库', '采购', 'CGRK00000000658', 'CGRK00000000658', '2021-07-28 00:58:12', '2021-07-28 00:58:02', '57', '63', '17', '-60.000000', null, '-60.000000', '现付', null, null, null, null, '', '', '0.000000', '0.000000', '60.000000', '0.000000', '0', null, '63', '0');
 
 -- ----------------------------
 -- Table structure for jsh_depot_item
diff --git a/jshERP-boot/docs/数据库更新记录-首次安装请勿使用.txt b/jshERP-boot/docs/数据库更新记录-首次安装请勿使用.txt
index 0155da11..674116b5 100644
--- a/jshERP-boot/docs/数据库更新记录-首次安装请勿使用.txt
+++ b/jshERP-boot/docs/数据库更新记录-首次安装请勿使用.txt
@@ -1322,4 +1322,11 @@ insert into `jsh_function`(`number`, `name`, `parent_number`, `url`, `component`
  values ('000112', '平台配置', '0001', '/system/platform_config', '/system/PlatformConfigList', '\0', '0175', '
', '电脑版', '', 'profile', '0');
 insert into `jsh_platform_config`(`platform_key`, `platform_key_info`, `platform_value`)
  values ('register_flag', '注册启用标记', '1');
-update jsh_msg set status='2' where id=2;
\ No newline at end of file
+update jsh_msg set status='2' where id=2;
+
+-- --------------------------------------------------------
+-- 时间 2021年12月12日
+-- by jishenghua
+-- 给单据表增加找零字段backAmount
+-- --------------------------------------------------------
+alter table jsh_depot_head add back_amount decimal(24,6) DEFAULT NULL COMMENT '找零金额' after change_amount;
\ No newline at end of file
diff --git a/jshERP-boot/src/main/java/com/jsh/erp/datasource/entities/DepotHead.java b/jshERP-boot/src/main/java/com/jsh/erp/datasource/entities/DepotHead.java
index 94212251..e11abd8c 100644
--- a/jshERP-boot/src/main/java/com/jsh/erp/datasource/entities/DepotHead.java
+++ b/jshERP-boot/src/main/java/com/jsh/erp/datasource/entities/DepotHead.java
@@ -26,6 +26,8 @@ public class DepotHead {
 
     private BigDecimal changeAmount;
 
+    private BigDecimal backAmount;
+
     private BigDecimal totalPrice;
 
     private String payType;
@@ -146,6 +148,14 @@ public class DepotHead {
         this.changeAmount = changeAmount;
     }
 
+    public BigDecimal getBackAmount() {
+        return backAmount;
+    }
+
+    public void setBackAmount(BigDecimal backAmount) {
+        this.backAmount = backAmount;
+    }
+
     public BigDecimal getTotalPrice() {
         return totalPrice;
     }
diff --git a/jshERP-boot/src/main/java/com/jsh/erp/datasource/entities/DepotHeadExample.java b/jshERP-boot/src/main/java/com/jsh/erp/datasource/entities/DepotHeadExample.java
index 05b3322c..b1f0e583 100644
--- a/jshERP-boot/src/main/java/com/jsh/erp/datasource/entities/DepotHeadExample.java
+++ b/jshERP-boot/src/main/java/com/jsh/erp/datasource/entities/DepotHeadExample.java
@@ -806,6 +806,66 @@ public class DepotHeadExample {
             return (Criteria) this;
         }
 
+        public Criteria andBackAmountIsNull() {
+            addCriterion("back_amount is null");
+            return (Criteria) this;
+        }
+
+        public Criteria andBackAmountIsNotNull() {
+            addCriterion("back_amount is not null");
+            return (Criteria) this;
+        }
+
+        public Criteria andBackAmountEqualTo(BigDecimal value) {
+            addCriterion("back_amount =", value, "backAmount");
+            return (Criteria) this;
+        }
+
+        public Criteria andBackAmountNotEqualTo(BigDecimal value) {
+            addCriterion("back_amount <>", value, "backAmount");
+            return (Criteria) this;
+        }
+
+        public Criteria andBackAmountGreaterThan(BigDecimal value) {
+            addCriterion("back_amount >", value, "backAmount");
+            return (Criteria) this;
+        }
+
+        public Criteria andBackAmountGreaterThanOrEqualTo(BigDecimal value) {
+            addCriterion("back_amount >=", value, "backAmount");
+            return (Criteria) this;
+        }
+
+        public Criteria andBackAmountLessThan(BigDecimal value) {
+            addCriterion("back_amount <", value, "backAmount");
+            return (Criteria) this;
+        }
+
+        public Criteria andBackAmountLessThanOrEqualTo(BigDecimal value) {
+            addCriterion("back_amount <=", value, "backAmount");
+            return (Criteria) this;
+        }
+
+        public Criteria andBackAmountIn(List<BigDecimal> values) {
+            addCriterion("back_amount in", values, "backAmount");
+            return (Criteria) this;
+        }
+
+        public Criteria andBackAmountNotIn(List<BigDecimal> values) {
+            addCriterion("back_amount not in", values, "backAmount");
+            return (Criteria) this;
+        }
+
+        public Criteria andBackAmountBetween(BigDecimal value1, BigDecimal value2) {
+            addCriterion("back_amount between", value1, value2, "backAmount");
+            return (Criteria) this;
+        }
+
+        public Criteria andBackAmountNotBetween(BigDecimal value1, BigDecimal value2) {
+            addCriterion("back_amount not between", value1, value2, "backAmount");
+            return (Criteria) this;
+        }
+
         public Criteria andTotalPriceIsNull() {
             addCriterion("total_price is null");
             return (Criteria) this;
diff --git a/jshERP-boot/src/main/resources/mapper_xml/DepotHeadMapper.xml b/jshERP-boot/src/main/resources/mapper_xml/DepotHeadMapper.xml
index b851a258..07212fb4 100644
--- a/jshERP-boot/src/main/resources/mapper_xml/DepotHeadMapper.xml
+++ b/jshERP-boot/src/main/resources/mapper_xml/DepotHeadMapper.xml
@@ -13,6 +13,7 @@
     <result column="creator" jdbcType="BIGINT" property="creator" />
     <result column="account_id" jdbcType="BIGINT" property="accountId" />
     <result column="change_amount" jdbcType="DECIMAL" property="changeAmount" />
+    <result column="back_amount" jdbcType="DECIMAL" property="backAmount" />
     <result column="total_price" jdbcType="DECIMAL" property="totalPrice" />
     <result column="pay_type" jdbcType="VARCHAR" property="payType" />
     <result column="bill_type" jdbcType="VARCHAR" property="billType" />
@@ -90,9 +91,9 @@
   </sql>
   <sql id="Base_Column_List">
     id, type, sub_type, default_number, number, create_time, oper_time, organ_id, creator, 
-    account_id, change_amount, total_price, pay_type, bill_type, remark, file_name, sales_man, 
-    account_id_list, account_money_list, discount, discount_money, discount_last_money, 
-    other_money, status, link_number, tenant_id, delete_flag
+    account_id, change_amount, back_amount, total_price, pay_type, bill_type, remark, 
+    file_name, sales_man, account_id_list, account_money_list, discount, discount_money, 
+    discount_last_money, other_money, status, link_number, tenant_id, delete_flag
   </sql>
   <select id="selectByExample" parameterType="com.jsh.erp.datasource.entities.DepotHeadExample" resultMap="BaseResultMap">
     select
@@ -128,23 +129,23 @@
     insert into jsh_depot_head (id, type, sub_type, 
       default_number, number, create_time, 
       oper_time, organ_id, creator, 
-      account_id, change_amount, total_price, 
-      pay_type, bill_type, remark, 
-      file_name, sales_man, account_id_list, 
-      account_money_list, discount, discount_money, 
-      discount_last_money, other_money, status, 
-      link_number, tenant_id, delete_flag
-      )
+      account_id, change_amount, back_amount, 
+      total_price, pay_type, bill_type, 
+      remark, file_name, sales_man, 
+      account_id_list, account_money_list, discount, 
+      discount_money, discount_last_money, other_money, 
+      status, link_number, tenant_id, 
+      delete_flag)
     values (#{id,jdbcType=BIGINT}, #{type,jdbcType=VARCHAR}, #{subType,jdbcType=VARCHAR}, 
       #{defaultNumber,jdbcType=VARCHAR}, #{number,jdbcType=VARCHAR}, #{createTime,jdbcType=TIMESTAMP}, 
       #{operTime,jdbcType=TIMESTAMP}, #{organId,jdbcType=BIGINT}, #{creator,jdbcType=BIGINT}, 
-      #{accountId,jdbcType=BIGINT}, #{changeAmount,jdbcType=DECIMAL}, #{totalPrice,jdbcType=DECIMAL}, 
-      #{payType,jdbcType=VARCHAR}, #{billType,jdbcType=VARCHAR}, #{remark,jdbcType=VARCHAR}, 
-      #{fileName,jdbcType=VARCHAR}, #{salesMan,jdbcType=VARCHAR}, #{accountIdList,jdbcType=VARCHAR}, 
-      #{accountMoneyList,jdbcType=VARCHAR}, #{discount,jdbcType=DECIMAL}, #{discountMoney,jdbcType=DECIMAL}, 
-      #{discountLastMoney,jdbcType=DECIMAL}, #{otherMoney,jdbcType=DECIMAL}, #{status,jdbcType=VARCHAR}, 
-      #{linkNumber,jdbcType=VARCHAR}, #{tenantId,jdbcType=BIGINT}, #{deleteFlag,jdbcType=VARCHAR}
-      )
+      #{accountId,jdbcType=BIGINT}, #{changeAmount,jdbcType=DECIMAL}, #{backAmount,jdbcType=DECIMAL}, 
+      #{totalPrice,jdbcType=DECIMAL}, #{payType,jdbcType=VARCHAR}, #{billType,jdbcType=VARCHAR}, 
+      #{remark,jdbcType=VARCHAR}, #{fileName,jdbcType=VARCHAR}, #{salesMan,jdbcType=VARCHAR}, 
+      #{accountIdList,jdbcType=VARCHAR}, #{accountMoneyList,jdbcType=VARCHAR}, #{discount,jdbcType=DECIMAL}, 
+      #{discountMoney,jdbcType=DECIMAL}, #{discountLastMoney,jdbcType=DECIMAL}, #{otherMoney,jdbcType=DECIMAL}, 
+      #{status,jdbcType=VARCHAR}, #{linkNumber,jdbcType=VARCHAR}, #{tenantId,jdbcType=BIGINT}, 
+      #{deleteFlag,jdbcType=VARCHAR})
   </insert>
   <insert id="insertSelective" parameterType="com.jsh.erp.datasource.entities.DepotHead">
     insert into jsh_depot_head
@@ -182,6 +183,9 @@
       <if test="changeAmount != null">
         change_amount,
       </if>
+      <if test="backAmount != null">
+        back_amount,
+      </if>
       <if test="totalPrice != null">
         total_price,
       </if>
@@ -265,6 +269,9 @@
       <if test="changeAmount != null">
         #{changeAmount,jdbcType=DECIMAL},
       </if>
+      <if test="backAmount != null">
+        #{backAmount,jdbcType=DECIMAL},
+      </if>
       <if test="totalPrice != null">
         #{totalPrice,jdbcType=DECIMAL},
       </if>
@@ -357,6 +364,9 @@
       <if test="record.changeAmount != null">
         change_amount = #{record.changeAmount,jdbcType=DECIMAL},
       </if>
+      <if test="record.backAmount != null">
+        back_amount = #{record.backAmount,jdbcType=DECIMAL},
+      </if>
       <if test="record.totalPrice != null">
         total_price = #{record.totalPrice,jdbcType=DECIMAL},
       </if>
@@ -423,6 +433,7 @@
       creator = #{record.creator,jdbcType=BIGINT},
       account_id = #{record.accountId,jdbcType=BIGINT},
       change_amount = #{record.changeAmount,jdbcType=DECIMAL},
+      back_amount = #{record.backAmount,jdbcType=DECIMAL},
       total_price = #{record.totalPrice,jdbcType=DECIMAL},
       pay_type = #{record.payType,jdbcType=VARCHAR},
       bill_type = #{record.billType,jdbcType=VARCHAR},
@@ -476,6 +487,9 @@
       <if test="changeAmount != null">
         change_amount = #{changeAmount,jdbcType=DECIMAL},
       </if>
+      <if test="backAmount != null">
+        back_amount = #{backAmount,jdbcType=DECIMAL},
+      </if>
       <if test="totalPrice != null">
         total_price = #{totalPrice,jdbcType=DECIMAL},
       </if>
@@ -539,6 +553,7 @@
       creator = #{creator,jdbcType=BIGINT},
       account_id = #{accountId,jdbcType=BIGINT},
       change_amount = #{changeAmount,jdbcType=DECIMAL},
+      back_amount = #{backAmount,jdbcType=DECIMAL},
       total_price = #{totalPrice,jdbcType=DECIMAL},
       pay_type = #{payType,jdbcType=VARCHAR},
       bill_type = #{billType,jdbcType=VARCHAR},