diff --git a/xinelu-nurse-manage/src/main/java/com/xinelu/manage/controller/coupon/CouponController.java b/xinelu-nurse-manage/src/main/java/com/xinelu/manage/controller/coupon/CouponController.java
new file mode 100644
index 0000000..976eda4
--- /dev/null
+++ b/xinelu-nurse-manage/src/main/java/com/xinelu/manage/controller/coupon/CouponController.java
@@ -0,0 +1,94 @@
+package com.xinelu.manage.controller.coupon;
+
+import com.xinelu.common.annotation.Log;
+import com.xinelu.common.core.controller.BaseController;
+import com.xinelu.common.core.domain.AjaxResult;
+import com.xinelu.common.core.page.TableDataInfo;
+import com.xinelu.common.custominterface.Insert;
+import com.xinelu.common.custominterface.Update;
+import com.xinelu.common.enums.BusinessType;
+import com.xinelu.common.utils.poi.ExcelUtil;
+import com.xinelu.manage.domain.coupon.Coupon;
+import com.xinelu.manage.service.coupon.ICouponService;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import javax.servlet.http.HttpServletResponse;
+import java.util.List;
+
+/**
+ * 优惠券信息Controller
+ *
+ * @author xinyilu
+ * @date 2023-02-23
+ */
+@RestController
+@RequestMapping("/system/coupon")
+public class CouponController extends BaseController {
+    @Resource
+    private ICouponService couponService;
+
+    /**
+     * 查询优惠券信息列表
+     */
+    @PreAuthorize("@ss.hasPermi('system:coupon:list')")
+    @GetMapping("/list")
+    public TableDataInfo list(Coupon coupon) {
+        startPage();
+        List<Coupon> list = couponService.selectCouponList(coupon);
+        return getDataTable(list);
+    }
+
+    /**
+     * 导出优惠券信息列表
+     */
+    @PreAuthorize("@ss.hasPermi('system:coupon:export')")
+    @Log(title = "优惠券信息", businessType = BusinessType.EXPORT)
+    @PostMapping("/export")
+    public void export(HttpServletResponse response, Coupon coupon) {
+        List<Coupon> list = couponService.selectCouponList(coupon);
+        ExcelUtil<Coupon> util = new ExcelUtil<>(Coupon.class);
+        util.exportExcel(response, list, "优惠券信息数据");
+    }
+
+    /**
+     * 获取优惠券信息详细信息
+     */
+    @PreAuthorize("@ss.hasPermi('system:coupon:query')")
+    @GetMapping(value = "/{id}")
+    public AjaxResult getInfo(@PathVariable("id") Long id) {
+        return AjaxResult.success(couponService.selectCouponById(id));
+    }
+
+    /**
+     * 新增优惠券信息
+     */
+    @PreAuthorize("@ss.hasPermi('system:coupon:add')")
+    @Log(title = "优惠券信息", businessType = BusinessType.INSERT)
+    @PostMapping("/add")
+    public AjaxResult add(@Validated(value = Insert.class) @RequestBody Coupon coupon) {
+        return couponService.insertCoupon(coupon);
+    }
+
+    /**
+     * 修改优惠券信息
+     */
+    @PreAuthorize("@ss.hasPermi('system:coupon:edit')")
+    @Log(title = "优惠券信息", businessType = BusinessType.UPDATE)
+    @PostMapping("/edit")
+    public AjaxResult edit(@Validated(value = Update.class) @RequestBody Coupon coupon) {
+        return couponService.updateCoupon(coupon);
+    }
+
+    /**
+     * 删除优惠券信息
+     */
+    @PreAuthorize("@ss.hasPermi('system:coupon:remove')")
+    @Log(title = "优惠券信息", businessType = BusinessType.DELETE)
+    @DeleteMapping("/{ids}")
+    public AjaxResult remove(@PathVariable Long[] ids) {
+        return toAjax(couponService.deleteCouponByIds(ids));
+    }
+}
diff --git a/xinelu-nurse-manage/src/main/java/com/xinelu/manage/domain/coupon/Coupon.java b/xinelu-nurse-manage/src/main/java/com/xinelu/manage/domain/coupon/Coupon.java
new file mode 100644
index 0000000..aab3f6a
--- /dev/null
+++ b/xinelu-nurse-manage/src/main/java/com/xinelu/manage/domain/coupon/Coupon.java
@@ -0,0 +1,157 @@
+package com.xinelu.manage.domain.coupon;
+
+import com.xinelu.common.annotation.Excel;
+import com.xinelu.common.core.domain.BaseDomain;
+import com.xinelu.common.custominterface.Insert;
+import com.xinelu.common.custominterface.Update;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+import java.io.Serializable;
+import java.math.BigDecimal;
+
+/**
+ * 优惠券信息对象 coupon
+ *
+ * @author xinyilu
+ * @date 2023-02-23
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@EqualsAndHashCode(callSuper = true)
+@ApiModel(value = "优惠券信息对象", description = "coupon")
+public class Coupon extends BaseDomain implements Serializable {
+    private static final long serialVersionUID = -7531593448659387618L;
+    /**
+     * 主键id
+     */
+    @NotNull(message = "优惠券信息id不能为空", groups = {Update.class})
+    private Long id;
+
+    /**
+     * 优惠券名称
+     */
+    @ApiModelProperty(value = "优惠券名称")
+    @Excel(name = "优惠券名称")
+    @NotBlank(message = "优惠券名称不能为空", groups = {Insert.class, Update.class})
+    private String couponTitle;
+
+    /**
+     * 优惠券编码
+     */
+    @ApiModelProperty(value = "优惠券编码")
+    @Excel(name = "优惠券编码")
+    private String couponCode;
+
+    /**
+     * 优惠券类型，满减券：FULL_REDUCTION_COUPON，代金券：CASH_COUPON，兑换券：EXCHANGE_COUPON，折扣券：DISCOUNT_COUPON
+     */
+    @ApiModelProperty(value = "优惠券类型，满减券：FULL_REDUCTION_COUPON，代金券：CASH_COUPON，兑换券：EXCHANGE_COUPON，折扣券：DISCOUNT_COUPON")
+    @Excel(name = "优惠券类型，满减券：FULL_REDUCTION_COUPON，代金券：CASH_COUPON，兑换券：EXCHANGE_COUPON，折扣券：DISCOUNT_COUPON")
+    @NotBlank(message = "优惠券类型不能为空", groups = {Insert.class, Update.class})
+    private String couponType;
+
+    /**
+     * 优惠券有效期，单位：天
+     */
+    @ApiModelProperty(value = "优惠券有效期，单位：天")
+    @Excel(name = "优惠券有效期，单位：天")
+    @NotNull(message = "优惠券有效期不能为空", groups = {Insert.class, Update.class})
+    private Integer couponReductionDays;
+
+    /**
+     * 优惠券面额
+     */
+    @ApiModelProperty(value = "优惠券面额")
+    @Excel(name = "优惠券面额")
+    @NotNull(message = "优惠券面额不能为空", groups = {Update.class})
+    private BigDecimal couponPrice;
+
+    /**
+     * 优惠券适用门槛
+     */
+    @ApiModelProperty(value = "优惠券适用门槛")
+    @Excel(name = "优惠券适用门槛")
+    @NotNull(message = "优惠券适用门槛不能为空", groups = {Insert.class, Update.class})
+    private BigDecimal couponConsumePrice;
+
+    /**
+     * 优惠券概述，包括使用范围，使用注意事项等信息
+     */
+    @ApiModelProperty(value = "优惠券概述，包括使用范围，使用注意事项等信息")
+    @Excel(name = "优惠券概述，包括使用范围，使用注意事项等信息")
+    @NotBlank(message = "优惠券概述不能为空", groups = {Insert.class, Update.class})
+    private String couponDescription;
+
+    /**
+     * 领取方式，新人福利：NEW_PEOPLE_WELFARE，活动赠送：EVENT_GIFT，消费返券：CONSUME_REBATE
+     */
+    @ApiModelProperty(value = "领取方式，新人福利：NEW_PEOPLE_WELFARE，活动赠送：EVENT_GIFT，消费返券：CONSUME_REBATE")
+    @Excel(name = "领取方式，新人福利：NEW_PEOPLE_WELFARE，活动赠送：EVENT_GIFT，消费返券：CONSUME_REBATE")
+    @NotBlank(message = "优惠券领取方式不能为空", groups = {Insert.class, Update.class})
+    private String receiveType;
+
+    /**
+     * 发放数量
+     */
+    @ApiModelProperty(value = "发放数量")
+    @Excel(name = "发放数量")
+    private Integer receiveCount;
+
+    /**
+     * 发放数量上限
+     */
+    @ApiModelProperty(value = "发放数量上限")
+    @Excel(name = "发放数量上限")
+    private Integer receiveLimitCount;
+
+    /**
+     * 全部商品：ALL_PRODUCT，指定商品：SPECIFIED_COMMODITY
+     */
+    @ApiModelProperty(value = "全部商品：ALL_PRODUCT，指定商品：SPECIFIED_COMMODITY")
+    @Excel(name = "全部商品：ALL_PRODUCT，指定商品：SPECIFIED_COMMODITY")
+    private String useScope;
+
+    /**
+     * 显示顺序
+     */
+    @ApiModelProperty(value = "显示顺序")
+    @Excel(name = "显示顺序")
+    @NotNull(message = "显示顺序不能为空！", groups = {Insert.class, Update.class})
+    @Size(max = 5, message = "显示顺序不能超过5个字符")
+    private Integer showSort;
+
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this, ToStringStyle.MULTI_LINE_STYLE)
+                .append("id", getId())
+                .append("couponTitle", getCouponTitle())
+                .append("couponCode", getCouponCode())
+                .append("couponType", getCouponType())
+                .append("couponReductionDays", getCouponReductionDays())
+                .append("couponPrice", getCouponPrice())
+                .append("couponConsumePrice", getCouponConsumePrice())
+                .append("couponDescription", getCouponDescription())
+                .append("receiveType", getReceiveType())
+                .append("receiveCount", getReceiveCount())
+                .append("receiveLimitCount", getReceiveLimitCount())
+                .append("useScope", getUseScope())
+                .append("showSort", getShowSort())
+                .append("createBy", getCreateBy())
+                .append("createTime", getCreateTime())
+                .append("updateBy", getUpdateBy())
+                .append("updateTime", getUpdateTime())
+                .toString();
+    }
+}
diff --git a/xinelu-nurse-manage/src/main/java/com/xinelu/manage/mapper/coupon/CouponMapper.java b/xinelu-nurse-manage/src/main/java/com/xinelu/manage/mapper/coupon/CouponMapper.java
new file mode 100644
index 0000000..cfeeeab
--- /dev/null
+++ b/xinelu-nurse-manage/src/main/java/com/xinelu/manage/mapper/coupon/CouponMapper.java
@@ -0,0 +1,71 @@
+package com.xinelu.manage.mapper.coupon;
+
+import com.xinelu.manage.domain.coupon.Coupon;
+
+import java.util.List;
+
+
+/**
+ * 优惠券信息Mapper接口
+ *
+ * @author xinyilu
+ * @date 2023-02-23
+ */
+public interface CouponMapper {
+    /**
+     * 查询优惠券信息
+     *
+     * @param id 优惠券信息主键
+     * @return 优惠券信息
+     */
+    Coupon selectCouponById(Long id);
+
+    /**
+     * 查询优惠券信息列表
+     *
+     * @param coupon 优惠券信息
+     * @return 优惠券信息集合
+     */
+    List<Coupon> selectCouponList(Coupon coupon);
+
+    /**
+     * 新增优惠券信息
+     *
+     * @param coupon 优惠券信息
+     * @return 结果
+     */
+    int insertCoupon(Coupon coupon);
+
+    /**
+     * 修改优惠券信息
+     *
+     * @param coupon 优惠券信息
+     * @return 结果
+     */
+    int updateCoupon(Coupon coupon);
+
+    /**
+     * 删除优惠券信息
+     *
+     * @param id 优惠券信息主键
+     * @return 结果
+     */
+    int deleteCouponById(Long id);
+
+    /**
+     * 批量删除优惠券信息
+     *
+     * @param ids 需要删除的数据主键集合
+     * @return 结果
+     */
+    int deleteCouponByIds(Long[] ids);
+
+    /**
+     * 查询优惠券信息(通过名称查询优惠券信息)
+     *
+     * @param couponTitle 优惠券信息主键
+     * @return 优惠券信息
+     */
+    int selectCouponByTitle(String couponTitle);
+
+}
diff --git a/xinelu-nurse-manage/src/main/java/com/xinelu/manage/service/coupon/ICouponService.java b/xinelu-nurse-manage/src/main/java/com/xinelu/manage/service/coupon/ICouponService.java
new file mode 100644
index 0000000..d8a38a4
--- /dev/null
+++ b/xinelu-nurse-manage/src/main/java/com/xinelu/manage/service/coupon/ICouponService.java
@@ -0,0 +1,62 @@
+package com.xinelu.manage.service.coupon;
+
+import com.xinelu.common.core.domain.AjaxResult;
+import com.xinelu.manage.domain.coupon.Coupon;
+
+import java.util.List;
+
+/**
+ * 优惠券信息Service接口
+ *
+ * @author xinyilu
+ * @date 2023-02-23
+ */
+public interface ICouponService {
+    /**
+     * 查询优惠券信息
+     *
+     * @param id 优惠券信息主键
+     * @return 优惠券信息
+     */
+    Coupon selectCouponById(Long id);
+
+    /**
+     * 查询优惠券信息列表
+     *
+     * @param coupon 优惠券信息
+     * @return 优惠券信息集合
+     */
+    List<Coupon> selectCouponList(Coupon coupon);
+
+    /**
+     * 新增优惠券信息
+     *
+     * @param coupon 优惠券信息
+     * @return 结果
+     */
+    AjaxResult insertCoupon(Coupon coupon);
+
+    /**
+     * 修改优惠券信息
+     *
+     * @param coupon 优惠券信息
+     * @return 结果
+     */
+    AjaxResult updateCoupon(Coupon coupon);
+
+    /**
+     * 批量删除优惠券信息
+     *
+     * @param ids 需要删除的优惠券信息主键集合
+     * @return 结果
+     */
+    int deleteCouponByIds(Long[] ids);
+
+    /**
+     * 删除优惠券信息信息
+     *
+     * @param id 优惠券信息主键
+     * @return 结果
+     */
+    int deleteCouponById(Long id);
+}
diff --git a/xinelu-nurse-manage/src/main/java/com/xinelu/manage/service/coupon/impl/CouponServiceImpl.java b/xinelu-nurse-manage/src/main/java/com/xinelu/manage/service/coupon/impl/CouponServiceImpl.java
new file mode 100644
index 0000000..6cb78d0
--- /dev/null
+++ b/xinelu-nurse-manage/src/main/java/com/xinelu/manage/service/coupon/impl/CouponServiceImpl.java
@@ -0,0 +1,143 @@
+package com.xinelu.manage.service.coupon.impl;
+
+import com.xinelu.common.constant.Constants;
+import com.xinelu.common.core.domain.AjaxResult;
+import com.xinelu.common.utils.SecurityUtils;
+import com.xinelu.common.utils.codes.GenerateSystemCodeUtil;
+import com.xinelu.manage.domain.coupon.Coupon;
+import com.xinelu.manage.mapper.coupon.CouponMapper;
+import com.xinelu.manage.service.coupon.ICouponService;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Objects;
+
+
+/**
+ * 优惠券信息Service业务层处理
+ *
+ * @author xinyilu
+ * @date 2023-02-23
+ */
+@Service
+public class CouponServiceImpl implements ICouponService {
+    @Resource
+    private CouponMapper couponMapper;
+    @Resource
+    private GenerateSystemCodeUtil generateSystemCodeUtil;
+
+    /**
+     * 查询优惠券信息
+     *
+     * @param id 优惠券信息主键
+     * @return 优惠券信息
+     */
+    @Override
+    public Coupon selectCouponById(Long id) {
+        return couponMapper.selectCouponById(id);
+    }
+
+    /**
+     * 查询优惠券信息列表
+     *
+     * @param coupon 优惠券信息
+     * @return 优惠券信息
+     */
+    @Override
+    public List<Coupon> selectCouponList(Coupon coupon) {
+        return couponMapper.selectCouponList(coupon);
+    }
+
+    /**
+     * 新增优惠券信息
+     *
+     * @param coupon 优惠券信息
+     * @return 结果
+     */
+    @Override
+    public AjaxResult insertCoupon(Coupon coupon) {
+        //判断优惠券名称是否重复
+        int titleCount = couponMapper.selectCouponByTitle(coupon.getCouponTitle());
+        if (titleCount > 0) {
+            return AjaxResult.error("优惠劵名称重复，请重新输入！");
+        }
+        if (coupon.getCouponReductionDays() <= 0) {
+            return AjaxResult.error("优惠券有效期要大于0");
+        }
+        if (coupon.getCouponPrice().compareTo(BigDecimal.ZERO) <= 0 || coupon.getCouponConsumePrice().compareTo(BigDecimal.ZERO) <= 0) {
+            return AjaxResult.error("'优惠券面额'或'优惠券适用门槛'要大于0");
+        }
+        if (coupon.getCouponPrice().compareTo(coupon.getCouponConsumePrice()) == 0) {
+            return AjaxResult.error("优惠劵面额与优惠券门槛不能相等，请重新输入！");
+        }
+        if (coupon.getCouponPrice().compareTo(coupon.getCouponConsumePrice()) > 0) {
+            return AjaxResult.error("优惠劵面额不能大于优惠券门槛，请重新输入！");
+        }
+        coupon.setCreateTime(LocalDateTime.now());
+        coupon.setCreateBy(SecurityUtils.getUsername());
+        coupon.setCouponCode(Constants.COUPON_CODE + generateSystemCodeUtil.generateSystemCode(Constants.COUPON_CODE));
+        return AjaxResult.success(couponMapper.insertCoupon(coupon));
+    }
+
+    /**
+     * 修改优惠券信息
+     *
+     * @param coupon 优惠券信息
+     * @return 结果
+     */
+    @Override
+    public AjaxResult updateCoupon(Coupon coupon) {
+        Coupon excuseCoupon = couponMapper.selectCouponById(coupon.getId());
+        if (Objects.isNull(excuseCoupon)) {
+            return AjaxResult.error("优惠券信息不存在！");
+        }
+        if (coupon.getCouponReductionDays() <= 0) {
+            return AjaxResult.error("优惠券有效期要大于0");
+        }
+        if (coupon.getCouponPrice().compareTo(BigDecimal.ZERO) <= 0 || coupon.getCouponConsumePrice().compareTo(BigDecimal.ZERO) <= 0) {
+            return AjaxResult.error("'优惠券面额'或'优惠券适用门槛'要大于0");
+        }
+        if (coupon.getCouponPrice().compareTo(coupon.getCouponConsumePrice()) == 0) {
+            return AjaxResult.error("优惠劵面额与优惠券门槛不能相等，请重新输入！");
+        }
+        if (coupon.getCouponPrice().compareTo(coupon.getCouponConsumePrice()) > 0) {
+            return AjaxResult.error("优惠劵面额不能大于优惠券门槛，请重新输入！");
+        }
+        //判断优惠券名称是否重复
+        if (StringUtils.isNotBlank(excuseCoupon.getCouponTitle()) && !excuseCoupon.getCouponTitle().equals(coupon.getCouponTitle())) {
+            int titleCount = couponMapper.selectCouponByTitle(coupon.getCouponTitle());
+            if (titleCount > 0) {
+                return AjaxResult.error("优惠劵名称重复，请重新输入！");
+            }
+        }
+        coupon.setUpdateTime(LocalDateTime.now());
+        coupon.setUpdateBy(SecurityUtils.getUsername());
+        return AjaxResult.success(couponMapper.updateCoupon(coupon));
+    }
+
+    /**
+     * 批量删除优惠券信息
+     *
+     * @param ids 需要删除的优惠券信息主键
+     * @return 结果
+     */
+    @Override
+    public int deleteCouponByIds(Long[] ids) {
+        return couponMapper.deleteCouponByIds(ids);
+    }
+
+    /**
+     * 删除优惠券信息信息
+     *
+     * @param id 优惠券信息主键
+     * @return 结果
+     */
+    @Override
+    public int deleteCouponById(Long id) {
+        return couponMapper.deleteCouponById(id);
+    }
+}
diff --git a/xinelu-nurse-manage/src/main/resources/mapper/manage/coupon/CouponMapper.xml b/xinelu-nurse-manage/src/main/resources/mapper/manage/coupon/CouponMapper.xml
new file mode 100644
index 0000000..91545ed
--- /dev/null
+++ b/xinelu-nurse-manage/src/main/resources/mapper/manage/coupon/CouponMapper.xml
@@ -0,0 +1,243 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.xinelu.manage.mapper.coupon.CouponMapper">
+
+    <resultMap type="Coupon" id="CouponResult">
+        <result property="id" column="id"/>
+        <result property="couponTitle" column="coupon_title"/>
+        <result property="couponCode" column="coupon_code"/>
+        <result property="couponType" column="coupon_type"/>
+        <result property="couponReductionDays" column="coupon_reduction_days"/>
+        <result property="couponPrice" column="coupon_price"/>
+        <result property="couponConsumePrice" column="coupon_consume_price"/>
+        <result property="couponDescription" column="coupon_description"/>
+        <result property="receiveType" column="receive_type"/>
+        <result property="receiveCount" column="receive_count"/>
+        <result property="receiveLimitCount" column="receive_limit_count"/>
+        <result property="useScope" column="use_scope"/>
+        <result property="showSort" column="show_sort"/>
+        <result property="createBy" column="create_by"/>
+        <result property="createTime" column="create_time"/>
+        <result property="updateBy" column="update_by"/>
+        <result property="updateTime" column="update_time"/>
+    </resultMap>
+
+    <sql id="selectCouponVo">
+        select id,
+               coupon_title,
+               coupon_code,
+               coupon_type,
+               coupon_reduction_days,
+               coupon_price,
+               coupon_consume_price,
+               coupon_description,
+               receive_type,
+               receive_count,
+               receive_limit_count,
+               use_scope,
+               show_sort,
+               create_by,
+               create_time,
+               update_by,
+               update_time
+        from coupon
+    </sql>
+
+    <select id="selectCouponList" parameterType="Coupon" resultMap="CouponResult">
+        <include refid="selectCouponVo"/>
+        <where>
+            <if test="couponTitle != null  and couponTitle != ''">
+                and coupon_title like concat( #{couponTitle}, '%')
+            </if>
+            <if test="couponCode != null  and couponCode != ''">
+                and coupon_code = #{couponCode}
+            </if>
+            <if test="couponType != null  and couponType != ''">
+                and coupon_type = #{couponType}
+            </if>
+            <if test="couponReductionDays != null ">
+                and coupon_reduction_days = #{couponReductionDays}
+            </if>
+            <if test="couponPrice != null ">
+                and coupon_price = #{couponPrice}
+            </if>
+            <if test="couponConsumePrice != null ">
+                and coupon_consume_price = #{couponConsumePrice}
+            </if>
+            <if test="couponDescription != null  and couponDescription != ''">
+                and coupon_description = #{couponDescription}
+            </if>
+            <if test="receiveType != null  and receiveType != ''">
+                and receive_type = #{receiveType}
+            </if>
+            <if test="receiveCount != null ">
+                and receive_count = #{receiveCount}
+            </if>
+            <if test="receiveLimitCount != null ">
+                and receive_limit_count = #{receiveLimitCount}
+            </if>
+            <if test="useScope != null  and useScope != ''">
+                and use_scope = #{useScope}
+            </if>
+            <if test="showSort != null ">
+                and show_sort = #{showSort}
+            </if>
+        </where>
+        ORDER BY create_time desc, show_sort asc
+    </select>
+
+    <select id="selectCouponById" parameterType="Long"
+            resultMap="CouponResult">
+        <include refid="selectCouponVo"/>
+        where id = #{id}
+    </select>
+
+    <insert id="insertCoupon" parameterType="Coupon" useGeneratedKeys="true"
+            keyProperty="id">
+        insert into coupon
+        <trim prefix="(" suffix=")" suffixOverrides=",">
+            <if test="couponTitle != null">coupon_title,
+            </if>
+            <if test="couponCode != null">coupon_code,
+            </if>
+            <if test="couponType != null">coupon_type,
+            </if>
+            <if test="couponReductionDays != null">coupon_reduction_days,
+            </if>
+            <if test="couponPrice != null">coupon_price,
+            </if>
+            <if test="couponConsumePrice != null">coupon_consume_price,
+            </if>
+            <if test="couponDescription != null">coupon_description,
+            </if>
+            <if test="receiveType != null">receive_type,
+            </if>
+            <if test="receiveCount != null">receive_count,
+            </if>
+            <if test="receiveLimitCount != null">receive_limit_count,
+            </if>
+            <if test="useScope != null">use_scope,
+            </if>
+            <if test="showSort != null">show_sort,
+            </if>
+            <if test="createBy != null">create_by,
+            </if>
+            <if test="createTime != null">create_time,
+            </if>
+            <if test="updateBy != null">update_by,
+            </if>
+            <if test="updateTime != null">update_time,
+            </if>
+        </trim>
+        <trim prefix="values (" suffix=")" suffixOverrides=",">
+            <if test="couponTitle != null">#{couponTitle},
+            </if>
+            <if test="couponCode != null">#{couponCode},
+            </if>
+            <if test="couponType != null">#{couponType},
+            </if>
+            <if test="couponReductionDays != null">#{couponReductionDays},
+            </if>
+            <if test="couponPrice != null">#{couponPrice},
+            </if>
+            <if test="couponConsumePrice != null">#{couponConsumePrice},
+            </if>
+            <if test="couponDescription != null">#{couponDescription},
+            </if>
+            <if test="receiveType != null">#{receiveType},
+            </if>
+            <if test="receiveCount != null">#{receiveCount},
+            </if>
+            <if test="receiveLimitCount != null">#{receiveLimitCount},
+            </if>
+            <if test="useScope != null">#{useScope},
+            </if>
+            <if test="showSort != null">#{showSort},
+            </if>
+            <if test="createBy != null">#{createBy},
+            </if>
+            <if test="createTime != null">#{createTime},
+            </if>
+            <if test="updateBy != null">#{updateBy},
+            </if>
+            <if test="updateTime != null">#{updateTime},
+            </if>
+        </trim>
+    </insert>
+
+    <update id="updateCoupon" parameterType="Coupon">
+        update coupon
+        <trim prefix="SET" suffixOverrides=",">
+            <if test="couponTitle != null">coupon_title =
+                #{couponTitle},
+            </if>
+            <if test="couponCode != null">coupon_code =
+                #{couponCode},
+            </if>
+            <if test="couponType != null">coupon_type =
+                #{couponType},
+            </if>
+            <if test="couponReductionDays != null">coupon_reduction_days =
+                #{couponReductionDays},
+            </if>
+            <if test="couponPrice != null">coupon_price =
+                #{couponPrice},
+            </if>
+            <if test="couponConsumePrice != null">coupon_consume_price =
+                #{couponConsumePrice},
+            </if>
+            <if test="couponDescription != null">coupon_description =
+                #{couponDescription},
+            </if>
+            <if test="receiveType != null">receive_type =
+                #{receiveType},
+            </if>
+            <if test="receiveCount != null">receive_count =
+                #{receiveCount},
+            </if>
+            <if test="receiveLimitCount != null">receive_limit_count =
+                #{receiveLimitCount},
+            </if>
+            <if test="useScope != null">use_scope =
+                #{useScope},
+            </if>
+            <if test="showSort != null">show_sort =
+                #{showSort},
+            </if>
+            <if test="createBy != null">create_by =
+                #{createBy},
+            </if>
+            <if test="createTime != null">create_time =
+                #{createTime},
+            </if>
+            <if test="updateBy != null">update_by =
+                #{updateBy},
+            </if>
+            <if test="updateTime != null">update_time =
+                #{updateTime},
+            </if>
+        </trim>
+        where id = #{id}
+    </update>
+
+    <delete id="deleteCouponById" parameterType="Long">
+        delete
+        from coupon
+        where id = #{id}
+    </delete>
+
+    <delete id="deleteCouponByIds" parameterType="String">
+        delete from coupon where id in
+        <foreach item="id" collection="array" open="(" separator="," close=")">
+            #{id}
+        </foreach>
+    </delete>
+
+    <select id="selectCouponByTitle" resultType="java.lang.Integer">
+        select count(1)
+        from coupon
+        where coupon_title = #{couponTitle}
+    </select>
+</mapper>