diff --git a/doc/设计文档/数据库设计/数据库设计.xlsx b/doc/设计文档/数据库设计/数据库设计.xlsx
index 8c51c73..dae965b 100644
Binary files a/doc/设计文档/数据库设计/数据库设计.xlsx and b/doc/设计文档/数据库设计/数据库设计.xlsx differ
diff --git a/ktg-mes/src/main/java/com/ktg/mes/dv/controller/DvRepairLineController.java b/ktg-mes/src/main/java/com/ktg/mes/dv/controller/DvRepairLineController.java
new file mode 100644
index 0000000..89ed031
--- /dev/null
+++ b/ktg-mes/src/main/java/com/ktg/mes/dv/controller/DvRepairLineController.java
@@ -0,0 +1,104 @@
+package com.ktg.mes.dv.controller;
+
+import java.util.List;
+import javax.servlet.http.HttpServletResponse;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import com.ktg.common.annotation.Log;
+import com.ktg.common.core.controller.BaseController;
+import com.ktg.common.core.domain.AjaxResult;
+import com.ktg.common.enums.BusinessType;
+import com.ktg.mes.dv.domain.DvRepairLine;
+import com.ktg.mes.dv.service.IDvRepairLineService;
+import com.ktg.common.utils.poi.ExcelUtil;
+import com.ktg.common.core.page.TableDataInfo;
+
+/**
+ * 设备维修单行Controller
+ * 
+ * @author yinjinlu
+ * @date 2022-08-08
+ */
+@RestController
+@RequestMapping("/mes/dv/repairline")
+public class DvRepairLineController extends BaseController
+{
+    @Autowired
+    private IDvRepairLineService dvRepairLineService;
+
+    /**
+     * 查询设备维修单行列表
+     */
+    @PreAuthorize("@ss.hasPermi('mes:dv:repairline:list')")
+    @GetMapping("/list")
+    public TableDataInfo list(DvRepairLine dvRepairLine)
+    {
+        startPage();
+        List<DvRepairLine> list = dvRepairLineService.selectDvRepairLineList(dvRepairLine);
+        return getDataTable(list);
+    }
+
+    /**
+     * 导出设备维修单行列表
+     */
+    @PreAuthorize("@ss.hasPermi('mes:dv:repairline:export')")
+    @Log(title = "设备维修单行", businessType = BusinessType.EXPORT)
+    @PostMapping("/export")
+    public void export(HttpServletResponse response, DvRepairLine dvRepairLine)
+    {
+        List<DvRepairLine> list = dvRepairLineService.selectDvRepairLineList(dvRepairLine);
+        ExcelUtil<DvRepairLine> util = new ExcelUtil<DvRepairLine>(DvRepairLine.class);
+        util.exportExcel(response, list, "设备维修单行数据");
+    }
+
+    /**
+     * 获取设备维修单行详细信息
+     */
+    @PreAuthorize("@ss.hasPermi('mes:dv:repairline:query')")
+    @GetMapping(value = "/{lineId}")
+    public AjaxResult getInfo(@PathVariable("lineId") Long lineId)
+    {
+        return AjaxResult.success(dvRepairLineService.selectDvRepairLineByLineId(lineId));
+    }
+
+    /**
+     * 新增设备维修单行
+     */
+    @PreAuthorize("@ss.hasPermi('mes:dv:repairline:add')")
+    @Log(title = "设备维修单行", businessType = BusinessType.INSERT)
+    @PostMapping
+    public AjaxResult add(@RequestBody DvRepairLine dvRepairLine)
+    {
+        return toAjax(dvRepairLineService.insertDvRepairLine(dvRepairLine));
+    }
+
+    /**
+     * 修改设备维修单行
+     */
+    @PreAuthorize("@ss.hasPermi('mes:dv:repairline:edit')")
+    @Log(title = "设备维修单行", businessType = BusinessType.UPDATE)
+    @PutMapping
+    public AjaxResult edit(@RequestBody DvRepairLine dvRepairLine)
+    {
+        return toAjax(dvRepairLineService.updateDvRepairLine(dvRepairLine));
+    }
+
+    /**
+     * 删除设备维修单行
+     */
+    @PreAuthorize("@ss.hasPermi('mes:dv:repairline:remove')")
+    @Log(title = "设备维修单行", businessType = BusinessType.DELETE)
+	@DeleteMapping("/{lineIds}")
+    public AjaxResult remove(@PathVariable Long[] lineIds)
+    {
+        return toAjax(dvRepairLineService.deleteDvRepairLineByLineIds(lineIds));
+    }
+}
diff --git a/ktg-mes/src/main/java/com/ktg/mes/dv/domain/DvRepairLine.java b/ktg-mes/src/main/java/com/ktg/mes/dv/domain/DvRepairLine.java
new file mode 100644
index 0000000..2d65c7e
--- /dev/null
+++ b/ktg-mes/src/main/java/com/ktg/mes/dv/domain/DvRepairLine.java
@@ -0,0 +1,234 @@
+package com.ktg.mes.dv.domain;
+
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+import com.ktg.common.annotation.Excel;
+import com.ktg.common.core.domain.BaseEntity;
+
+/**
+ * 设备维修单行对象 dv_repair_line
+ * 
+ * @author yinjinlu
+ * @date 2022-08-08
+ */
+public class DvRepairLine extends BaseEntity
+{
+    private static final long serialVersionUID = 1L;
+
+    /** 行ID */
+    private Long lineId;
+
+    /** 维修单ID */
+    @Excel(name = "维修单ID")
+    private Long repairId;
+
+    /** 项目ID */
+    @Excel(name = "项目ID")
+    private Long subjectId;
+
+    /** 项目编码 */
+    @Excel(name = "项目编码")
+    private String subjectCode;
+
+    /** 项目名称 */
+    @Excel(name = "项目名称")
+    private String subjectName;
+
+    /** 项目类型 */
+    @Excel(name = "项目类型")
+    private String subjectType;
+
+    /** 项目内容 */
+    @Excel(name = "项目内容")
+    private String subjectContent;
+
+    /** 标准 */
+    @Excel(name = "标准")
+    private String subjectStandard;
+
+    /** 故障描述 */
+    @Excel(name = "故障描述")
+    private String malfunction;
+
+    /** 故障描述资源 */
+    @Excel(name = "故障描述资源")
+    private String malfunctionUrl;
+
+    /** 维修情况 */
+    @Excel(name = "维修情况")
+    private String repairDes;
+
+    /** 预留字段1 */
+    private String attr1;
+
+    /** 预留字段2 */
+    private String attr2;
+
+    /** 预留字段3 */
+    private Long attr3;
+
+    /** 预留字段4 */
+    private Long attr4;
+
+    public void setLineId(Long lineId) 
+    {
+        this.lineId = lineId;
+    }
+
+    public Long getLineId() 
+    {
+        return lineId;
+    }
+    public void setRepairId(Long repairId) 
+    {
+        this.repairId = repairId;
+    }
+
+    public Long getRepairId() 
+    {
+        return repairId;
+    }
+    public void setSubjectId(Long subjectId) 
+    {
+        this.subjectId = subjectId;
+    }
+
+    public Long getSubjectId() 
+    {
+        return subjectId;
+    }
+    public void setSubjectCode(String subjectCode) 
+    {
+        this.subjectCode = subjectCode;
+    }
+
+    public String getSubjectCode() 
+    {
+        return subjectCode;
+    }
+    public void setSubjectName(String subjectName) 
+    {
+        this.subjectName = subjectName;
+    }
+
+    public String getSubjectName() 
+    {
+        return subjectName;
+    }
+    public void setSubjectType(String subjectType) 
+    {
+        this.subjectType = subjectType;
+    }
+
+    public String getSubjectType() 
+    {
+        return subjectType;
+    }
+    public void setSubjectContent(String subjectContent) 
+    {
+        this.subjectContent = subjectContent;
+    }
+
+    public String getSubjectContent() 
+    {
+        return subjectContent;
+    }
+    public void setSubjectStandard(String subjectStandard) 
+    {
+        this.subjectStandard = subjectStandard;
+    }
+
+    public String getSubjectStandard() 
+    {
+        return subjectStandard;
+    }
+    public void setMalfunction(String malfunction) 
+    {
+        this.malfunction = malfunction;
+    }
+
+    public String getMalfunction() 
+    {
+        return malfunction;
+    }
+    public void setMalfunctionUrl(String malfunctionUrl) 
+    {
+        this.malfunctionUrl = malfunctionUrl;
+    }
+
+    public String getMalfunctionUrl() 
+    {
+        return malfunctionUrl;
+    }
+    public void setRepairDes(String repairDes) 
+    {
+        this.repairDes = repairDes;
+    }
+
+    public String getRepairDes() 
+    {
+        return repairDes;
+    }
+    public void setAttr1(String attr1) 
+    {
+        this.attr1 = attr1;
+    }
+
+    public String getAttr1() 
+    {
+        return attr1;
+    }
+    public void setAttr2(String attr2) 
+    {
+        this.attr2 = attr2;
+    }
+
+    public String getAttr2() 
+    {
+        return attr2;
+    }
+    public void setAttr3(Long attr3) 
+    {
+        this.attr3 = attr3;
+    }
+
+    public Long getAttr3() 
+    {
+        return attr3;
+    }
+    public void setAttr4(Long attr4) 
+    {
+        this.attr4 = attr4;
+    }
+
+    public Long getAttr4() 
+    {
+        return attr4;
+    }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this,ToStringStyle.MULTI_LINE_STYLE)
+            .append("lineId", getLineId())
+            .append("repairId", getRepairId())
+            .append("subjectId", getSubjectId())
+            .append("subjectCode", getSubjectCode())
+            .append("subjectName", getSubjectName())
+            .append("subjectType", getSubjectType())
+            .append("subjectContent", getSubjectContent())
+            .append("subjectStandard", getSubjectStandard())
+            .append("malfunction", getMalfunction())
+            .append("malfunctionUrl", getMalfunctionUrl())
+            .append("repairDes", getRepairDes())
+            .append("remark", getRemark())
+            .append("attr1", getAttr1())
+            .append("attr2", getAttr2())
+            .append("attr3", getAttr3())
+            .append("attr4", getAttr4())
+            .append("createBy", getCreateBy())
+            .append("createTime", getCreateTime())
+            .append("updateBy", getUpdateBy())
+            .append("updateTime", getUpdateTime())
+            .toString();
+    }
+}
diff --git a/ktg-mes/src/main/java/com/ktg/mes/dv/mapper/DvRepairLineMapper.java b/ktg-mes/src/main/java/com/ktg/mes/dv/mapper/DvRepairLineMapper.java
new file mode 100644
index 0000000..8723326
--- /dev/null
+++ b/ktg-mes/src/main/java/com/ktg/mes/dv/mapper/DvRepairLineMapper.java
@@ -0,0 +1,63 @@
+package com.ktg.mes.dv.mapper;
+
+import java.util.List;
+import com.ktg.mes.dv.domain.DvRepairLine;
+
+/**
+ * 设备维修单行Mapper接口
+ * 
+ * @author yinjinlu
+ * @date 2022-08-08
+ */
+public interface DvRepairLineMapper 
+{
+    /**
+     * 查询设备维修单行
+     * 
+     * @param lineId 设备维修单行主键
+     * @return 设备维修单行
+     */
+    public DvRepairLine selectDvRepairLineByLineId(Long lineId);
+
+    /**
+     * 查询设备维修单行列表
+     * 
+     * @param dvRepairLine 设备维修单行
+     * @return 设备维修单行集合
+     */
+    public List<DvRepairLine> selectDvRepairLineList(DvRepairLine dvRepairLine);
+
+    /**
+     * 新增设备维修单行
+     * 
+     * @param dvRepairLine 设备维修单行
+     * @return 结果
+     */
+    public int insertDvRepairLine(DvRepairLine dvRepairLine);
+
+    /**
+     * 修改设备维修单行
+     * 
+     * @param dvRepairLine 设备维修单行
+     * @return 结果
+     */
+    public int updateDvRepairLine(DvRepairLine dvRepairLine);
+
+    /**
+     * 删除设备维修单行
+     * 
+     * @param lineId 设备维修单行主键
+     * @return 结果
+     */
+    public int deleteDvRepairLineByLineId(Long lineId);
+
+    /**
+     * 批量删除设备维修单行
+     * 
+     * @param lineIds 需要删除的数据主键集合
+     * @return 结果
+     */
+    public int deleteDvRepairLineByLineIds(Long[] lineIds);
+
+    public int deleteByRepairId(Long repairId);
+}
diff --git a/ktg-mes/src/main/java/com/ktg/mes/dv/service/IDvRepairLineService.java b/ktg-mes/src/main/java/com/ktg/mes/dv/service/IDvRepairLineService.java
new file mode 100644
index 0000000..536ce55
--- /dev/null
+++ b/ktg-mes/src/main/java/com/ktg/mes/dv/service/IDvRepairLineService.java
@@ -0,0 +1,68 @@
+package com.ktg.mes.dv.service;
+
+import java.util.List;
+import com.ktg.mes.dv.domain.DvRepairLine;
+
+/**
+ * 设备维修单行Service接口
+ * 
+ * @author yinjinlu
+ * @date 2022-08-08
+ */
+public interface IDvRepairLineService 
+{
+    /**
+     * 查询设备维修单行
+     * 
+     * @param lineId 设备维修单行主键
+     * @return 设备维修单行
+     */
+    public DvRepairLine selectDvRepairLineByLineId(Long lineId);
+
+    /**
+     * 查询设备维修单行列表
+     * 
+     * @param dvRepairLine 设备维修单行
+     * @return 设备维修单行集合
+     */
+    public List<DvRepairLine> selectDvRepairLineList(DvRepairLine dvRepairLine);
+
+    /**
+     * 新增设备维修单行
+     * 
+     * @param dvRepairLine 设备维修单行
+     * @return 结果
+     */
+    public int insertDvRepairLine(DvRepairLine dvRepairLine);
+
+    /**
+     * 修改设备维修单行
+     * 
+     * @param dvRepairLine 设备维修单行
+     * @return 结果
+     */
+    public int updateDvRepairLine(DvRepairLine dvRepairLine);
+
+    /**
+     * 批量删除设备维修单行
+     * 
+     * @param lineIds 需要删除的设备维修单行主键集合
+     * @return 结果
+     */
+    public int deleteDvRepairLineByLineIds(Long[] lineIds);
+
+    /**
+     * 删除设备维修单行信息
+     * 
+     * @param lineId 设备维修单行主键
+     * @return 结果
+     */
+    public int deleteDvRepairLineByLineId(Long lineId);
+
+    /**
+     * 根据维修单头删除所有行信息
+     * @param repairId
+     * @return
+     */
+    public int deleteByRepairId(Long repairId);
+}
diff --git a/ktg-mes/src/main/java/com/ktg/mes/dv/service/impl/DvRepairLineServiceImpl.java b/ktg-mes/src/main/java/com/ktg/mes/dv/service/impl/DvRepairLineServiceImpl.java
new file mode 100644
index 0000000..a9a4413
--- /dev/null
+++ b/ktg-mes/src/main/java/com/ktg/mes/dv/service/impl/DvRepairLineServiceImpl.java
@@ -0,0 +1,101 @@
+package com.ktg.mes.dv.service.impl;
+
+import java.util.List;
+import com.ktg.common.utils.DateUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import com.ktg.mes.dv.mapper.DvRepairLineMapper;
+import com.ktg.mes.dv.domain.DvRepairLine;
+import com.ktg.mes.dv.service.IDvRepairLineService;
+
+/**
+ * 设备维修单行Service业务层处理
+ * 
+ * @author yinjinlu
+ * @date 2022-08-08
+ */
+@Service
+public class DvRepairLineServiceImpl implements IDvRepairLineService 
+{
+    @Autowired
+    private DvRepairLineMapper dvRepairLineMapper;
+
+    /**
+     * 查询设备维修单行
+     * 
+     * @param lineId 设备维修单行主键
+     * @return 设备维修单行
+     */
+    @Override
+    public DvRepairLine selectDvRepairLineByLineId(Long lineId)
+    {
+        return dvRepairLineMapper.selectDvRepairLineByLineId(lineId);
+    }
+
+    /**
+     * 查询设备维修单行列表
+     * 
+     * @param dvRepairLine 设备维修单行
+     * @return 设备维修单行
+     */
+    @Override
+    public List<DvRepairLine> selectDvRepairLineList(DvRepairLine dvRepairLine)
+    {
+        return dvRepairLineMapper.selectDvRepairLineList(dvRepairLine);
+    }
+
+    /**
+     * 新增设备维修单行
+     * 
+     * @param dvRepairLine 设备维修单行
+     * @return 结果
+     */
+    @Override
+    public int insertDvRepairLine(DvRepairLine dvRepairLine)
+    {
+        dvRepairLine.setCreateTime(DateUtils.getNowDate());
+        return dvRepairLineMapper.insertDvRepairLine(dvRepairLine);
+    }
+
+    /**
+     * 修改设备维修单行
+     * 
+     * @param dvRepairLine 设备维修单行
+     * @return 结果
+     */
+    @Override
+    public int updateDvRepairLine(DvRepairLine dvRepairLine)
+    {
+        dvRepairLine.setUpdateTime(DateUtils.getNowDate());
+        return dvRepairLineMapper.updateDvRepairLine(dvRepairLine);
+    }
+
+    /**
+     * 批量删除设备维修单行
+     * 
+     * @param lineIds 需要删除的设备维修单行主键
+     * @return 结果
+     */
+    @Override
+    public int deleteDvRepairLineByLineIds(Long[] lineIds)
+    {
+        return dvRepairLineMapper.deleteDvRepairLineByLineIds(lineIds);
+    }
+
+    /**
+     * 删除设备维修单行信息
+     * 
+     * @param lineId 设备维修单行主键
+     * @return 结果
+     */
+    @Override
+    public int deleteDvRepairLineByLineId(Long lineId)
+    {
+        return dvRepairLineMapper.deleteDvRepairLineByLineId(lineId);
+    }
+
+    @Override
+    public int deleteByRepairId(Long repairId) {
+        return dvRepairLineMapper.deleteByRepairId(repairId);
+    }
+}
diff --git a/ktg-mes/src/main/resources/mapper/dv/DvRepairLineMapper.xml b/ktg-mes/src/main/resources/mapper/dv/DvRepairLineMapper.xml
new file mode 100644
index 0000000..34b8dde
--- /dev/null
+++ b/ktg-mes/src/main/resources/mapper/dv/DvRepairLineMapper.xml
@@ -0,0 +1,141 @@
+<?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.ktg.mes.dv.mapper.DvRepairLineMapper">
+    
+    <resultMap type="DvRepairLine" id="DvRepairLineResult">
+        <result property="lineId"    column="line_id"    />
+        <result property="repairId"    column="repair_id"    />
+        <result property="subjectId"    column="subject_id"    />
+        <result property="subjectCode"    column="subject_code"    />
+        <result property="subjectName"    column="subject_name"    />
+        <result property="subjectType"    column="subject_type"    />
+        <result property="subjectContent"    column="subject_content"    />
+        <result property="subjectStandard"    column="subject_standard"    />
+        <result property="malfunction"    column="malfunction"    />
+        <result property="malfunctionUrl"    column="malfunction_url"    />
+        <result property="repairDes"    column="repair_des"    />
+        <result property="remark"    column="remark"    />
+        <result property="attr1"    column="attr1"    />
+        <result property="attr2"    column="attr2"    />
+        <result property="attr3"    column="attr3"    />
+        <result property="attr4"    column="attr4"    />
+        <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="selectDvRepairLineVo">
+        select line_id, repair_id, subject_id, subject_code, subject_name, subject_type, subject_content, subject_standard, malfunction, malfunction_url, repair_des, remark, attr1, attr2, attr3, attr4, create_by, create_time, update_by, update_time from dv_repair_line
+    </sql>
+
+    <select id="selectDvRepairLineList" parameterType="DvRepairLine" resultMap="DvRepairLineResult">
+        <include refid="selectDvRepairLineVo"/>
+        <where>  
+            <if test="repairId != null "> and repair_id = #{repairId}</if>
+            <if test="subjectId != null "> and subject_id = #{subjectId}</if>
+            <if test="subjectCode != null  and subjectCode != ''"> and subject_code = #{subjectCode}</if>
+            <if test="subjectName != null  and subjectName != ''"> and subject_name like concat('%', #{subjectName}, '%')</if>
+            <if test="subjectType != null  and subjectType != ''"> and subject_type = #{subjectType}</if>
+            <if test="subjectContent != null  and subjectContent != ''"> and subject_content = #{subjectContent}</if>
+            <if test="subjectStandard != null  and subjectStandard != ''"> and subject_standard = #{subjectStandard}</if>
+            <if test="malfunction != null  and malfunction != ''"> and malfunction = #{malfunction}</if>
+            <if test="malfunctionUrl != null  and malfunctionUrl != ''"> and malfunction_url = #{malfunctionUrl}</if>
+            <if test="repairDes != null  and repairDes != ''"> and repair_des = #{repairDes}</if>
+        </where>
+    </select>
+    
+    <select id="selectDvRepairLineByLineId" parameterType="Long" resultMap="DvRepairLineResult">
+        <include refid="selectDvRepairLineVo"/>
+        where line_id = #{lineId}
+    </select>
+        
+    <insert id="insertDvRepairLine" parameterType="DvRepairLine" useGeneratedKeys="true" keyProperty="lineId">
+        insert into dv_repair_line
+        <trim prefix="(" suffix=")" suffixOverrides=",">
+            <if test="repairId != null">repair_id,</if>
+            <if test="subjectId != null">subject_id,</if>
+            <if test="subjectCode != null and subjectCode != ''">subject_code,</if>
+            <if test="subjectName != null">subject_name,</if>
+            <if test="subjectType != null">subject_type,</if>
+            <if test="subjectContent != null and subjectContent != ''">subject_content,</if>
+            <if test="subjectStandard != null">subject_standard,</if>
+            <if test="malfunction != null">malfunction,</if>
+            <if test="malfunctionUrl != null">malfunction_url,</if>
+            <if test="repairDes != null">repair_des,</if>
+            <if test="remark != null">remark,</if>
+            <if test="attr1 != null">attr1,</if>
+            <if test="attr2 != null">attr2,</if>
+            <if test="attr3 != null">attr3,</if>
+            <if test="attr4 != null">attr4,</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="repairId != null">#{repairId},</if>
+            <if test="subjectId != null">#{subjectId},</if>
+            <if test="subjectCode != null and subjectCode != ''">#{subjectCode},</if>
+            <if test="subjectName != null">#{subjectName},</if>
+            <if test="subjectType != null">#{subjectType},</if>
+            <if test="subjectContent != null and subjectContent != ''">#{subjectContent},</if>
+            <if test="subjectStandard != null">#{subjectStandard},</if>
+            <if test="malfunction != null">#{malfunction},</if>
+            <if test="malfunctionUrl != null">#{malfunctionUrl},</if>
+            <if test="repairDes != null">#{repairDes},</if>
+            <if test="remark != null">#{remark},</if>
+            <if test="attr1 != null">#{attr1},</if>
+            <if test="attr2 != null">#{attr2},</if>
+            <if test="attr3 != null">#{attr3},</if>
+            <if test="attr4 != null">#{attr4},</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="updateDvRepairLine" parameterType="DvRepairLine">
+        update dv_repair_line
+        <trim prefix="SET" suffixOverrides=",">
+            <if test="repairId != null">repair_id = #{repairId},</if>
+            <if test="subjectId != null">subject_id = #{subjectId},</if>
+            <if test="subjectCode != null and subjectCode != ''">subject_code = #{subjectCode},</if>
+            <if test="subjectName != null">subject_name = #{subjectName},</if>
+            <if test="subjectType != null">subject_type = #{subjectType},</if>
+            <if test="subjectContent != null and subjectContent != ''">subject_content = #{subjectContent},</if>
+            <if test="subjectStandard != null">subject_standard = #{subjectStandard},</if>
+            <if test="malfunction != null">malfunction = #{malfunction},</if>
+            <if test="malfunctionUrl != null">malfunction_url = #{malfunctionUrl},</if>
+            <if test="repairDes != null">repair_des = #{repairDes},</if>
+            <if test="remark != null">remark = #{remark},</if>
+            <if test="attr1 != null">attr1 = #{attr1},</if>
+            <if test="attr2 != null">attr2 = #{attr2},</if>
+            <if test="attr3 != null">attr3 = #{attr3},</if>
+            <if test="attr4 != null">attr4 = #{attr4},</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 line_id = #{lineId}
+    </update>
+
+    <delete id="deleteDvRepairLineByLineId" parameterType="Long">
+        delete from dv_repair_line where line_id = #{lineId}
+    </delete>
+
+    <delete id="deleteDvRepairLineByLineIds" parameterType="String">
+        delete from dv_repair_line where line_id in 
+        <foreach item="lineId" collection="array" open="(" separator="," close=")">
+            #{lineId}
+        </foreach>
+    </delete>
+
+    <delete id="deleteByRepairId" parameterType="Long">
+        delete from dv_repair_line where repair_id = #{repairId}
+    </delete>
+</mapper>
\ No newline at end of file