diff --git a/ruoyi-admin/src/main/java/com/ruoyi/system/controller/SysDiffLogController.java b/ruoyi-admin/src/main/java/com/ruoyi/system/controller/SysDiffLogController.java
new file mode 100644
index 00000000..9fa7df98
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/system/controller/SysDiffLogController.java
@@ -0,0 +1,60 @@
+package com.ruoyi.system.controller;
+
+import java.util.List;
+
+import com.ruoyi.system.domain.Vo.SysDiffLogVo;
+import org.apache.shiro.authz.annotation.RequiresPermissions;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.*;
+import com.ruoyi.common.annotation.Log;
+import com.ruoyi.common.enums.BusinessType;
+import com.ruoyi.system.domain.SysDiffLog;
+import com.ruoyi.system.service.ISysDiffLogService;
+import com.ruoyi.common.core.controller.BaseController;
+import com.ruoyi.common.core.domain.AjaxResult;
+import com.ruoyi.common.utils.poi.ExcelUtil;
+import com.ruoyi.common.core.page.TableDataInfo;
+
+/**
+ * 数据修改记录日志Controller
+ * 
+ * @author 刘晓旭
+ * @date 2024-10-15
+ */
+@Controller
+@RequestMapping("/system/diffLog")
+public class SysDiffLogController extends BaseController
+{
+    private String prefix = "system/diffLog";
+
+    @Autowired
+    private ISysDiffLogService sysDiffLogService;
+
+    /**
+     * 查询数据修改记录日志列表
+     */
+    @PostMapping("/list")
+    @ResponseBody
+    public TableDataInfo list(
+            @RequestParam Long businessId,
+            @RequestParam String businessKey
+    ) {
+        startPage();
+        List<SysDiffLogVo> list = sysDiffLogService.getDiffLogList(businessId,businessKey);
+        return getDataTable(list);
+    }
+
+
+    /**
+    * 打开数据修改记录前端页面
+    * */
+    @GetMapping("/getDiffDataList/{businessId}/{businessKey}")
+    public String getDiffDataList(@PathVariable Long businessId, @PathVariable String businessKey,ModelMap mmap){
+        mmap.put("businessId", businessId);
+        mmap.put("businessKey", businessKey);
+        return prefix + "/diffLog";
+    }
+
+}
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/system/controller/SysProductModelController.java b/ruoyi-admin/src/main/java/com/ruoyi/system/controller/SysProductModelController.java
index f2ef2c85..d14cd034 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/system/controller/SysProductModelController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/system/controller/SysProductModelController.java
@@ -3,6 +3,7 @@ package com.ruoyi.system.controller;
 import com.ruoyi.common.annotation.Log;
 import com.ruoyi.common.core.controller.BaseController;
 import com.ruoyi.common.core.domain.AjaxResult;
+import com.ruoyi.common.core.domain.entity.SysFieldDifferent;
 import com.ruoyi.common.core.domain.entity.SysUser;
 import com.ruoyi.common.core.page.TableDataInfo;
 import com.ruoyi.common.enums.BusinessType;
@@ -206,4 +207,5 @@ public class SysProductModelController extends BaseController
 
 
 
+
 }
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/system/domain/SysDiffLog.java b/ruoyi-admin/src/main/java/com/ruoyi/system/domain/SysDiffLog.java
new file mode 100644
index 00000000..0b4c6d1b
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/system/domain/SysDiffLog.java
@@ -0,0 +1,84 @@
+package com.ruoyi.system.domain;
+
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.common.core.domain.BaseEntity;
+
+/**
+ * 数据修改记录日志对象 sys_diff_log
+ * 
+ * @author 刘晓旭
+ * @date 2024-10-15
+ */
+public class SysDiffLog extends BaseEntity
+{
+    private static final long serialVersionUID = 1L;
+
+    /** 日志主键 */
+    private Long diffId;
+
+    /** 业务id */
+    @Excel(name = "业务id")
+    private Long businessId;
+
+    /** 业务名称 */
+    @Excel(name = "业务名称")
+    private String businessKey;
+
+    /** 业务更改数据 */
+    @Excel(name = "业务更改数据")
+    private String diffData;
+
+    public void setDiffId(Long diffId) 
+    {
+        this.diffId = diffId;
+    }
+
+    public Long getDiffId() 
+    {
+        return diffId;
+    }
+
+    public Long getBusinessId() {
+        return businessId;
+    }
+
+    public void setBusinessId(Long businessId) {
+        this.businessId = businessId;
+    }
+
+    public void setBusinessKey(String businessKey)
+    {
+        this.businessKey = businessKey;
+    }
+
+    public String getBusinessKey() 
+    {
+        return businessKey;
+    }
+    public void setDiffData(String diffData) 
+    {
+        this.diffData = diffData;
+    }
+
+    public String getDiffData() 
+    {
+        return diffData;
+    }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this,ToStringStyle.MULTI_LINE_STYLE)
+            .append("diffId", getDiffId())
+            .append("businessId", getBusinessId())
+            .append("businessKey", getBusinessKey())
+            .append("diffData", getDiffData())
+            .append("createBy", getCreateBy())
+            .append("createTime", getCreateTime())
+            .append("updateBy", getUpdateBy())
+            .append("updateTime", getUpdateTime())
+            .append("remark", getRemark())
+            .toString();
+    }
+}
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/system/domain/SysProductModel.java b/ruoyi-admin/src/main/java/com/ruoyi/system/domain/SysProductModel.java
index f40afd92..e8443b75 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/system/domain/SysProductModel.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/system/domain/SysProductModel.java
@@ -3,6 +3,7 @@ package com.ruoyi.system.domain;
 import cn.hutool.core.date.DateTime;
 import com.fasterxml.jackson.annotation.JsonFormat;
 import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.common.annotation.FieldCompare;
 import com.ruoyi.common.core.domain.BaseEntity;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
@@ -31,21 +32,26 @@ public class SysProductModel extends BaseEntity
     private String engineer;
 
     /** 设备型号 */
+    @FieldCompare(chineseName = "设备型号")
     @Excel(name = "设备型号")
     private String equipModel;
 
+    @FieldCompare(chineseName = "设备名称")
     /** 设备名称 */
     @Excel(name = "设备名称")
     private String equipName;
 
+    @FieldCompare(chineseName = "规格说明")
     /** 规格说明 */
     @Excel(name = "规格说明")
     private String specification;
 
+    @FieldCompare(chineseName = "差异说明")
     /** 差异说明 */
     @Excel(name = "差异说明")
     private String differences;
 
+    @FieldCompare(chineseName = "备注")
     /** 备注 */
     @Excel(name = "备注")
     private String remark;
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/system/domain/Vo/SysDiffLogVo.java b/ruoyi-admin/src/main/java/com/ruoyi/system/domain/Vo/SysDiffLogVo.java
new file mode 100644
index 00000000..00ce40bf
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/system/domain/Vo/SysDiffLogVo.java
@@ -0,0 +1,35 @@
+package com.ruoyi.system.domain.Vo;
+
+import com.ruoyi.common.core.domain.BaseEntity;
+import lombok.Data;
+
+import java.util.Date;
+
+
+/**
+ * 用于展示修改记录日志
+ *
+ * @author 刘晓旭
+ * @date 2024-10-16
+ */
+@Data
+public class SysDiffLogVo{
+
+
+    //修改的字段
+    private String fieldName;
+
+    //修改前
+    private String before;
+
+    //修改后
+    private String after;
+
+    //修改的时间
+    private Date updateTime;
+
+    //修改的人
+    private String updateBy;
+
+
+}
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/system/mapper/SysDiffLogMapper.java b/ruoyi-admin/src/main/java/com/ruoyi/system/mapper/SysDiffLogMapper.java
new file mode 100644
index 00000000..5178dab7
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/system/mapper/SysDiffLogMapper.java
@@ -0,0 +1,85 @@
+package com.ruoyi.system.mapper;
+
+import java.util.List;
+import com.ruoyi.system.domain.SysDiffLog;
+
+/**
+ * 数据修改记录日志Mapper接口
+ * 
+ * @author 刘晓旭
+ * @date 2024-10-15
+ */
+public interface SysDiffLogMapper 
+{
+    /**
+     * 查询数据修改记录日志
+     * 
+     * @param diffId 数据修改记录日志ID
+     * @return 数据修改记录日志
+     */
+    public SysDiffLog selectSysDiffLogById(Long diffId);
+
+    /**
+     * 查询数据修改记录日志列表
+     * 
+     * @param sysDiffLog 数据修改记录日志
+     * @return 数据修改记录日志集合
+     */
+    public List<SysDiffLog> selectSysDiffLogList(SysDiffLog sysDiffLog);
+
+    /**
+     * 查询数据修改记录日志列表
+     *
+     * @param sysDiffLog 数据修改记录日志
+     * @return 数据修改记录日志集合
+     */
+    public SysDiffLog selectSysDiffLogByBusiness(SysDiffLog sysDiffLog);
+
+    /**
+     * 新增数据修改记录日志
+     * 
+     * @param sysDiffLog 数据修改记录日志
+     * @return 结果
+     */
+    public int insertSysDiffLog(SysDiffLog sysDiffLog);
+
+    /**
+     * 修改数据修改记录日志
+     * 
+     * @param sysDiffLog 数据修改记录日志
+     * @return 结果
+     */
+    public int updateSysDiffLog(SysDiffLog sysDiffLog);
+
+    /**
+     * 删除数据修改记录日志
+     * 
+     * @param diffId 数据修改记录日志ID
+     * @return 结果
+     */
+    public int deleteSysDiffLogById(Long diffId);
+
+    /**
+     * 批量删除数据修改记录日志
+     * 
+     * @param diffIds 需要删除的数据ID
+     * @return 结果
+     */
+    public int deleteSysDiffLogByIds(String[] diffIds);
+
+    /**
+     * 作废数据修改记录日志
+     *
+     * @param diffId 数据修改记录日志ID
+     * @return 结果
+     */
+    public int cancelSysDiffLogById(Long diffId);
+
+    /**
+     * 恢复数据修改记录日志
+     *
+     * @param diffId 数据修改记录日志ID
+     * @return 结果
+     */
+    public int restoreSysDiffLogById(Long diffId);
+}
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/system/service/ISysDiffLogService.java b/ruoyi-admin/src/main/java/com/ruoyi/system/service/ISysDiffLogService.java
new file mode 100644
index 00000000..bed7a500
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/system/service/ISysDiffLogService.java
@@ -0,0 +1,104 @@
+package com.ruoyi.system.service;
+
+import java.util.List;
+
+import com.ruoyi.common.core.domain.entity.SysFieldDifferent;
+import com.ruoyi.system.domain.SysDiffLog;
+import com.ruoyi.system.domain.Vo.SysDiffLogVo;
+
+/**
+ * 数据修改记录日志Service接口
+ * 
+ * @author 刘晓旭
+ * @date 2024-10-15
+ */
+public interface ISysDiffLogService 
+{
+    /**
+     * 查询数据修改记录日志
+     * 
+     * @param diffId 数据修改记录日志ID
+     * @return 数据修改记录日志
+     */
+    public SysDiffLog selectSysDiffLogById(Long diffId);
+
+    /**
+     * 查询数据修改记录日志列表
+     * 
+     * @param sysDiffLog 数据修改记录日志
+     * @return 数据修改记录日志集合
+     */
+    public List<SysDiffLog> selectSysDiffLogList(SysDiffLog sysDiffLog);
+
+
+    /**
+     * 查询数据修改记录日志列表
+     *
+     * @param sysDiffLog 数据修改记录日志
+     * @return 数据修改记录日志集合
+     */
+    public SysDiffLog selectSysDiffLogByBusiness(SysDiffLog sysDiffLog);
+
+    /**
+     * 新增数据修改记录日志
+     * 
+     * @param sysDiffLog 数据修改记录日志
+     * @return 结果
+     */
+    public int insertSysDiffLog(SysDiffLog sysDiffLog);
+
+    /**
+     * 修改数据修改记录日志
+     * 
+     * @param sysDiffLog 数据修改记录日志
+     * @return 结果
+     */
+    public int updateSysDiffLog(SysDiffLog sysDiffLog);
+
+
+    /**
+     * 修改数据修改记录日志通过其他模块
+     *
+     */
+    public int updateSysDiffLogByBusiness(Long businessId, String businessKey, List<SysFieldDifferent> changes);
+
+    /**
+     * 批量删除数据修改记录日志
+     * 
+     * @param ids 需要删除的数据ID
+     * @return 结果
+     */
+    public int deleteSysDiffLogByIds(String ids);
+
+    /**
+     * 删除数据修改记录日志信息
+     * 
+     * @param diffId 数据修改记录日志ID
+     * @return 结果
+     */
+    public int deleteSysDiffLogById(Long diffId);
+
+    /**
+     * 作废数据修改记录日志
+     * @param diffId 数据修改记录日志ID
+     * @return
+     */
+    int cancelSysDiffLogById(Long diffId);
+
+    /**
+     * 恢复数据修改记录日志
+     * @param diffId 数据修改记录日志ID
+     * @return
+     */
+    int restoreSysDiffLogById(Long diffId);
+
+    /**
+     *  diff_data 把 数据通过JSON 序列化和反序列化
+     * */
+    public List<SysFieldDifferent> parseDiffData(String diffData);
+
+    /**
+    *  展示数据修改记录日志
+    * */
+    List<SysDiffLogVo> getDiffLogList(Long businessId,String businessKey);
+}
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/system/service/ISysProductModelService.java b/ruoyi-admin/src/main/java/com/ruoyi/system/service/ISysProductModelService.java
index 097c52fe..97454558 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/system/service/ISysProductModelService.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/system/service/ISysProductModelService.java
@@ -1,5 +1,6 @@
 package com.ruoyi.system.service;
 
+import com.ruoyi.common.core.domain.entity.SysFieldDifferent;
 import com.ruoyi.system.domain.SysProductModel;
 
 import java.util.List;
@@ -83,4 +84,5 @@ public interface ISysProductModelService
      *  根据产品型号id数组查询产品型号列表集合
      * */
     List<SysProductModel> selectSysProductModelListByCodes(String[] pcodes);
+
 }
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/system/service/impl/SysDiffLogServiceImpl.java b/ruoyi-admin/src/main/java/com/ruoyi/system/service/impl/SysDiffLogServiceImpl.java
new file mode 100644
index 00000000..57f4a140
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/system/service/impl/SysDiffLogServiceImpl.java
@@ -0,0 +1,272 @@
+package com.ruoyi.system.service.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.TypeReference;
+import com.ruoyi.common.constant.BusinessKeysConstants;
+import com.ruoyi.common.core.domain.entity.SysFieldDifferent;
+import com.ruoyi.common.utils.DateUtils;
+import com.ruoyi.common.utils.ShiroUtils;
+import com.ruoyi.system.domain.Vo.SysDiffLogVo;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import com.ruoyi.system.mapper.SysDiffLogMapper;
+import com.ruoyi.system.domain.SysDiffLog;
+import com.ruoyi.system.service.ISysDiffLogService;
+import com.ruoyi.common.core.text.Convert;
+
+/**
+ * 数据修改记录日志Service业务层处理
+ * 
+ * @author 刘晓旭
+ * @date 2024-10-15
+ */
+@Service
+public class SysDiffLogServiceImpl implements ISysDiffLogService
+{
+    @Autowired
+    private SysDiffLogMapper sysDiffLogMapper;
+
+
+    /**
+     * 查询数据修改记录日志
+     * 
+     * @param diffId 数据修改记录日志ID
+     * @return 数据修改记录日志
+     */
+    @Override
+    public SysDiffLog selectSysDiffLogById(Long diffId)
+    {
+        return sysDiffLogMapper.selectSysDiffLogById(diffId);
+    }
+
+    /**
+     * 查询数据修改记录日志列表
+     * 
+     * @param sysDiffLog 数据修改记录日志
+     * @return 数据修改记录日志
+     */
+    @Override
+    public List<SysDiffLog> selectSysDiffLogList(SysDiffLog sysDiffLog)
+    {
+        return sysDiffLogMapper.selectSysDiffLogList(sysDiffLog);
+    }
+
+
+    /**
+     * 查询数据修改记录日志列表
+     *
+     * @param sysDiffLog 数据修改记录日志
+     * @return 数据修改记录日志集合
+     */
+    @Override
+    public SysDiffLog selectSysDiffLogByBusiness(SysDiffLog sysDiffLog){
+        return sysDiffLogMapper.selectSysDiffLogByBusiness(sysDiffLog);
+    }
+
+    /**
+     * 新增数据修改记录日志
+     * 
+     * @param sysDiffLog 数据修改记录日志
+     * @return 结果
+     */
+    @Override
+    public int insertSysDiffLog(SysDiffLog sysDiffLog)
+    {
+        String loginName = ShiroUtils.getLoginName();
+        sysDiffLog.setCreateBy(loginName);
+        sysDiffLog.setCreateTime(DateUtils.getNowDate());
+        return sysDiffLogMapper.insertSysDiffLog(sysDiffLog);
+    }
+
+    /**
+     * 修改数据修改记录日志
+     * 
+     * @param sysDiffLog 数据修改记录日志
+     * @return 结果
+     */
+    @Override
+    public int updateSysDiffLog(SysDiffLog sysDiffLog)
+    {
+        String loginName = ShiroUtils.getLoginName();
+        sysDiffLog.setUpdateBy(loginName);
+        sysDiffLog.setUpdateTime(DateUtils.getNowDate());
+        return sysDiffLogMapper.updateSysDiffLog(sysDiffLog);
+    }
+
+
+    /**
+     * 修改数据修改记录日志
+     *
+     * @param businessId 业务ID
+     * @param businessKey 业务键
+     * @param changes 字段变化列表
+     * @return 更新行数
+     */
+    @Override
+    public int updateSysDiffLogByBusiness(Long businessId, String businessKey, List<SysFieldDifferent> changes) {
+        SysDiffLog sysDiffLog = new SysDiffLog();
+        sysDiffLog.setBusinessId(businessId);
+        sysDiffLog.setBusinessKey(businessKey);
+        SysDiffLog existingLog = sysDiffLogMapper.selectSysDiffLogByBusiness(sysDiffLog);
+
+        if (existingLog != null) {
+            existingLog.setDiffData(changesToString(changes));
+            existingLog.setUpdateBy(ShiroUtils.getLoginName());
+            existingLog.setUpdateTime(DateUtils.getNowDate());
+            return sysDiffLogMapper.updateSysDiffLog(existingLog);
+        } else {
+            sysDiffLog.setDiffData(changesToString(changes));
+            sysDiffLog.setCreateBy(ShiroUtils.getLoginName());
+            sysDiffLog.setCreateTime(DateUtils.getNowDate());
+            sysDiffLog.setUpdateBy(ShiroUtils.getLoginName());
+            sysDiffLog.setUpdateTime(DateUtils.getNowDate());
+            return sysDiffLogMapper.insertSysDiffLog(sysDiffLog);
+        }
+    }
+
+    private String changesToString(List<SysFieldDifferent> changes) {
+        return changes.stream()
+                .map(Object::toString)
+                .collect(Collectors.joining(", "));
+    }
+
+
+    /**
+     * 删除数据修改记录日志对象
+     * 
+     * @param ids 需要删除的数据ID
+     * @return 结果
+     */
+    @Override
+    public int deleteSysDiffLogByIds(String ids)
+    {
+        return sysDiffLogMapper.deleteSysDiffLogByIds(Convert.toStrArray(ids));
+    }
+
+    /**
+     * 删除数据修改记录日志信息
+     * 
+     * @param diffId 数据修改记录日志ID
+     * @return 结果
+     */
+    @Override
+    public int deleteSysDiffLogById(Long diffId)
+    {
+        return sysDiffLogMapper.deleteSysDiffLogById(diffId);
+    }
+
+    /**
+     * 作废数据修改记录日志
+     *
+     * @param diffId 数据修改记录日志ID
+     * @return 结果
+     */
+    @Override
+    public int cancelSysDiffLogById(Long diffId)
+    {
+        return sysDiffLogMapper.cancelSysDiffLogById(diffId);
+    }
+
+    /**
+     * 恢复数据修改记录日志信息
+     *
+     * @param diffId 数据修改记录日志ID
+     * @return 结果
+     */
+    @Override
+    public int restoreSysDiffLogById(Long diffId)
+    {
+        return sysDiffLogMapper.restoreSysDiffLogById(diffId);
+    }
+
+
+
+    /**
+    *  diff_data 把 数据通过JSON 序列化和反序列化
+    * */
+    public List<SysFieldDifferent> parseDiffData(String diffData) {
+        if (diffData == null || diffData.trim().isEmpty()) {
+            return new ArrayList<>();
+        }
+
+        List<SysFieldDifferent> sysFieldDifferents = new ArrayList<>();
+        Pattern pattern = Pattern.compile("\\{(.*?)\\}");
+        Matcher matcher = pattern.matcher(diffData);
+
+        while (matcher.find()) {
+            String entry = matcher.group(1);
+            SysFieldDifferent sysFieldDifferent = parseSingleEntry(entry);
+            if (sysFieldDifferent != null) {
+                sysFieldDifferents.add(sysFieldDifferent);
+            }
+        }
+
+        return sysFieldDifferents;
+
+    }
+
+    // 解析单个条目
+    private static SysFieldDifferent parseSingleEntry(String entryStr) {
+        SysFieldDifferent sysFieldDifferent = new SysFieldDifferent();
+        String[] parts = entryStr.split(", ");
+        for (String part : parts) {
+            String[] keyValue = part.split("=");
+            if (keyValue.length == 2) {
+                String key = keyValue[0].trim();
+                String value = keyValue[1].trim();
+                value = value.replaceAll("^'|'$", ""); // 去掉首尾的单引号
+                switch (key) {
+                    case "fieldName":
+                        sysFieldDifferent.setFieldName(value);
+                        break;
+                    case "before":
+                        sysFieldDifferent.setBefore(value);
+                        break;
+                    case "after":
+                        sysFieldDifferent.setAfter(value);
+                        break;
+                    default:
+                        break;
+                }
+            }
+        }
+        return sysFieldDifferent;
+    }
+
+
+    /**
+     *  展示数据修改记录日志
+     * */
+    @Override
+    public List<SysDiffLogVo> getDiffLogList(Long businessId,String businessKey) {
+
+        List<SysDiffLogVo> sysDiffLogVos = new ArrayList<>();
+        SysDiffLog sysDiffLog = new SysDiffLog();
+        sysDiffLog.setBusinessId(businessId);
+        sysDiffLog.setBusinessKey(businessKey);
+        SysDiffLog tempDiffLog = sysDiffLogMapper.selectSysDiffLogByBusiness(sysDiffLog);
+        // 检查查询结果是否为空
+        if (tempDiffLog == null || tempDiffLog.getDiffData() == null) {
+            return sysDiffLogVos; // 直接返回空列表
+        }
+        List<SysFieldDifferent> sysFieldDifferents = parseDiffData(tempDiffLog.getDiffData());
+
+        sysFieldDifferents.forEach(sysFieldDifferent -> {
+            SysDiffLogVo sysDiffLogVo = new SysDiffLogVo();
+            sysDiffLogVo.setFieldName(sysFieldDifferent.getFieldName());
+            sysDiffLogVo.setBefore(sysFieldDifferent.getBefore());
+            sysDiffLogVo.setAfter(sysFieldDifferent.getAfter());
+            sysDiffLogVo.setUpdateTime(tempDiffLog.getUpdateTime());
+            sysDiffLogVo.setUpdateBy(tempDiffLog.getUpdateBy());
+
+            sysDiffLogVos.add(sysDiffLogVo);
+        });
+        return sysDiffLogVos;
+    }
+}
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/system/service/impl/SysProductModelServiceImpl.java b/ruoyi-admin/src/main/java/com/ruoyi/system/service/impl/SysProductModelServiceImpl.java
index ae0f3017..c44650b2 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/system/service/impl/SysProductModelServiceImpl.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/system/service/impl/SysProductModelServiceImpl.java
@@ -1,20 +1,27 @@
 package com.ruoyi.system.service.impl;
 
+import com.ruoyi.common.constant.BusinessKeysConstants;
+import com.ruoyi.common.core.domain.entity.SysFieldDifferent;
 import com.ruoyi.common.core.redis.RedisCache;
 import com.ruoyi.common.core.text.Convert;
 import com.ruoyi.common.utils.DateUtils;
+import com.ruoyi.common.utils.FieldCompareUtil;
 import com.ruoyi.common.utils.ShiroUtils;
 import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.system.domain.SysAttach;
+import com.ruoyi.system.domain.SysDiffLog;
 import com.ruoyi.system.domain.SysProductModel;
 import com.ruoyi.system.mapper.SysProductModelMapper;
 import com.ruoyi.system.service.ISysAttachFileService;
 import com.ruoyi.system.service.ISysAttachService;
+import com.ruoyi.system.service.ISysDiffLogService;
 import com.ruoyi.system.service.ISysProductModelService;
+import lombok.SneakyThrows;
 import org.apache.shiro.SecurityUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.CollectionUtils;
 
 import java.util.Arrays;
 import java.util.Date;
@@ -40,6 +47,10 @@ public class SysProductModelServiceImpl implements ISysProductModelService
 
     @Autowired
     private ISysAttachFileService attachFileService;
+
+    @Autowired
+    private ISysDiffLogService diffLogService;
+
     /**
      * 查询产品型号管理
      * 
@@ -80,6 +91,14 @@ public class SysProductModelServiceImpl implements ISysProductModelService
         sysProductModel.setCreateTime(DateUtils.getNowDate());
         int result = sysProductModelMapper.insertSysProductModel(sysProductModel);
         Long pid = sysProductModel.getPid();
+
+        SysDiffLog sysDiffLog = new SysDiffLog();
+        sysDiffLog.setBusinessId(pid);
+        sysDiffLog.setBusinessKey(BusinessKeysConstants.PRODUCT_MODEL);
+        int insertSysDiffLog = diffLogService.insertSysDiffLog(sysDiffLog);
+        if (insertSysDiffLog <= 0){
+            throw new RuntimeException("新增产品型号管理数据修改记录失败");
+        }
         String fileIdStr = sysProductModel.getFileIdStr();
         if (StringUtils.isNotBlank(fileIdStr)){
             //保存附件关联
@@ -104,11 +123,27 @@ public class SysProductModelServiceImpl implements ISysProductModelService
      * @param sysProductModel 产品型号管理
      * @return 结果
      */
+    @SneakyThrows
+    @Transactional(rollbackFor = Exception.class)
     @Override
     public int updateSysProductModel(SysProductModel sysProductModel)
     {
+        String loginName = ShiroUtils.getLoginName();
         sysProductModel.setUpdateTime(DateUtils.getNowDate());
-        sysProductModel.setUpdateBy(ShiroUtils.getLoginName());
+        sysProductModel.setUpdateBy(loginName);
+        Long pid = sysProductModel.getPid();
+        SysProductModel oldProductModel = sysProductModelMapper.selectSysProductModelById(pid);
+        if (oldProductModel == null){
+            throw new RuntimeException("产品型号管理数据不存在");
+        }
+            List<SysFieldDifferent> compare = FieldCompareUtil.compare(SysProductModel.class, sysProductModel,oldProductModel);
+            if (!CollectionUtils.isEmpty(compare)){
+                int updateSysDiffLog = diffLogService.updateSysDiffLogByBusiness(pid,BusinessKeysConstants.PRODUCT_MODEL,compare);
+                if (updateSysDiffLog <= 0){
+                    throw new RuntimeException("修改产品型号管理数据修改记录失败");
+                }
+            }
+
         return sysProductModelMapper.updateSysProductModel(sysProductModel);
     }
 
@@ -178,4 +213,5 @@ public class SysProductModelServiceImpl implements ISysProductModelService
     public List<SysProductModel> selectSysProductModelListByCodes(String[] pcodes) {
        return sysProductModelMapper.selectSysProductModelListByCodes(pcodes);
     }
+
 }
diff --git a/ruoyi-admin/src/main/resources/mapper/system/SysDiffLogMapper.xml b/ruoyi-admin/src/main/resources/mapper/system/SysDiffLogMapper.xml
new file mode 100644
index 00000000..9e4cc6f4
--- /dev/null
+++ b/ruoyi-admin/src/main/resources/mapper/system/SysDiffLogMapper.xml
@@ -0,0 +1,100 @@
+<?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.ruoyi.system.mapper.SysDiffLogMapper">
+    
+    <resultMap type="SysDiffLog" id="SysDiffLogResult">
+        <result property="diffId"    column="diff_id"    />
+        <result property="businessId"    column="business_id"    />
+        <result property="businessKey"    column="business_key"    />
+        <result property="diffData"    column="diff_data"    />
+        <result property="createBy"    column="create_by"    />
+        <result property="createTime"    column="create_time"    />
+        <result property="updateBy"    column="update_by"    />
+        <result property="updateTime"    column="update_time"    />
+        <result property="remark"    column="remark"    />
+    </resultMap>
+
+    <sql id="selectSysDiffLogVo">
+        select diff_id, business_id, business_key, diff_data, create_by, create_time, update_by, update_time, remark from sys_diff_log
+    </sql>
+
+    <select id="selectSysDiffLogList" parameterType="SysDiffLog" resultMap="SysDiffLogResult">
+        <include refid="selectSysDiffLogVo"/>
+        <where>  
+            <if test="businessId != null "> and business_id = #{businessId}</if>
+            <if test="businessKey != null  and businessKey != ''"> and business_key = #{businessKey}</if>
+        </where>
+    </select>
+    
+    <select id="selectSysDiffLogById" parameterType="Long" resultMap="SysDiffLogResult">
+        <include refid="selectSysDiffLogVo"/>
+        where diff_id = #{diffId}
+    </select>
+
+    <select id="selectSysDiffLogByBusiness" parameterType="SysDiffLog" resultMap="SysDiffLogResult">
+        <include refid="selectSysDiffLogVo"/>
+        where business_id = #{businessId}
+        and business_key = #{businessKey}
+    </select>
+
+    <insert id="insertSysDiffLog" parameterType="SysDiffLog" useGeneratedKeys="true" keyProperty="diffId">
+        insert into sys_diff_log
+        <trim prefix="(" suffix=")" suffixOverrides=",">
+            <if test="businessId != null">business_id,</if>
+            <if test="businessKey != null">business_key,</if>
+            <if test="diffData != null">diff_data,</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>
+            <if test="remark != null">remark,</if>
+         </trim>
+        <trim prefix="values (" suffix=")" suffixOverrides=",">
+            <if test="businessId != null">#{businessId},</if>
+            <if test="businessKey != null">#{businessKey},</if>
+            <if test="diffData != null">#{diffData},</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>
+            <if test="remark != null">#{remark},</if>
+         </trim>
+    </insert>
+
+    <update id="updateSysDiffLog" parameterType="SysDiffLog">
+        update sys_diff_log
+        <trim prefix="SET" suffixOverrides=",">
+            <if test="businessId != null">business_id = #{businessId},</if>
+            <if test="businessKey != null">business_key = #{businessKey},</if>
+            <if test="diffData != null">diff_data = #{diffData},</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>
+            <if test="remark != null">remark = #{remark},</if>
+        </trim>
+        where diff_id = #{diffId}
+    </update>
+
+    <delete id="deleteSysDiffLogById" parameterType="Long">
+        delete from sys_diff_log where diff_id = #{diffId}
+    </delete>
+
+    <delete id="deleteSysDiffLogByIds" parameterType="String">
+        delete from sys_diff_log where diff_id in 
+        <foreach item="diffId" collection="array" open="(" separator="," close=")">
+            #{diffId}
+        </foreach>
+    </delete>
+
+    <update id="cancelSysDiffLogById" parameterType="Long">
+        update sys_diff_log set del_flag = '1' where diff_id = #{diffId}
+    </update>
+
+    <update id="restoreSysDiffLogById" parameterType="Long">
+        update sys_diff_log set del_flag = '0' where diff_id = #{diffId}
+    </update>
+
+</mapper>
\ No newline at end of file
diff --git a/ruoyi-admin/src/main/resources/templates/system/diffLog/diffLog.html b/ruoyi-admin/src/main/resources/templates/system/diffLog/diffLog.html
new file mode 100644
index 00000000..7d7b984e
--- /dev/null
+++ b/ruoyi-admin/src/main/resources/templates/system/diffLog/diffLog.html
@@ -0,0 +1,59 @@
+<!DOCTYPE html>
+<html lang="zh" xmlns:th="http://www.thymeleaf.org" xmlns:shiro="http://www.pollix.at/thymeleaf/shiro">
+<head>
+    <th:block th:include="include :: header('数据修改记录日志列表')" />
+</head>
+<body class="gray-bg">
+     <div class="container-div">
+        <div class="row">
+            <div class="col-sm-12 select-table table-striped">
+                <table id="bootstrap-table"></table>
+            </div>
+        </div>
+    </div>
+    <th:block th:include="include :: footer" />
+    <script th:inline="javascript">
+        var prefix = ctx + "system/diffLog";
+
+       var businessId = [[${businessId}]];
+
+       var businessKey = [[${businessKey}]];
+        $(function() {
+            var options = {
+                url: prefix + "/list",
+                showColumns: false,
+                showToggle: false,
+                showRefresh:false,
+                showSearch:false,
+                modalName: "数据修改记录日志",
+                queryParams : {
+                    businessId: businessId,
+                    businessKey: businessKey
+                },
+                columns: [
+                {
+                    title: '修改字段',
+                    field: 'fieldName',
+                },
+                {
+                    title: '修改前的值',
+                    field: 'before',
+                },
+                {
+                    title: '修改后的值',
+                    field: 'after',
+                },
+                {
+                    title: '更新人',
+                    field: 'updateBy',
+                },
+                {
+                    title: '上次更新时间',
+                    field: 'updateTime',
+                },]
+            };
+            $.table.init(options);
+        });
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/ruoyi-admin/src/main/resources/templates/system/model/model.html b/ruoyi-admin/src/main/resources/templates/system/model/model.html
index bd32b036..5a1bdcac 100644
--- a/ruoyi-admin/src/main/resources/templates/system/model/model.html
+++ b/ruoyi-admin/src/main/resources/templates/system/model/model.html
@@ -86,6 +86,15 @@
                 modalName: "产品型号管理",
                 fixedColumns: true, // 启用冻结列
                 fixedRightNumber: 1, // 冻结右列个数
+                onDblClickCell: function(field, value, row, $element) {
+                    var businessId  = row.pid;
+                    var businessKey = "1";
+                    if(field == 'updateTime'){
+                        var url = ctx + "system/diffLog/getDiffDataList/" + businessId + "/" + businessKey;
+                        $.modal.open("数据修改记录", url);
+                    }
+
+                }, //双击单列字段触发事件
                 columns: [
                     {checkbox: true},
                     {   title: '产品型号管理表id',field: 'pid',visible: false},
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/annotation/FieldCompare.java b/ruoyi-common/src/main/java/com/ruoyi/common/annotation/FieldCompare.java
new file mode 100644
index 00000000..0693a5a3
--- /dev/null
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/annotation/FieldCompare.java
@@ -0,0 +1,25 @@
+package com.ruoyi.common.annotation;
+
+
+import java.lang.annotation.*;
+
+/**
+ * 自定义注解：字段对比
+ *
+ * @author 刘晓旭
+ * @date 2024-10-16
+* */
+@Target({ElementType.FIELD})
+@Retention(RetentionPolicy.RUNTIME)
+@Inherited
+@Documented
+public @interface FieldCompare {
+    /** 字段对应的中文 */
+    String chineseName();
+
+    /**
+     * 类型映射
+     * 使用方式 1:男,0:女
+     */
+    String properties() default "";
+}
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/constant/BusinessKeysConstants.java b/ruoyi-common/src/main/java/com/ruoyi/common/constant/BusinessKeysConstants.java
new file mode 100644
index 00000000..47d6fee1
--- /dev/null
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/constant/BusinessKeysConstants.java
@@ -0,0 +1,15 @@
+package com.ruoyi.common.constant;
+
+
+/**
+ * 修改数据记录日志业务模块常量
+ *
+ * @author 刘晓旭
+ * @date 2024-10-15
+ */
+public class BusinessKeysConstants {
+
+
+    /** 测试产品型号管理 */
+    public static final String PRODUCT_MODEL = "1";
+}
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/entity/SysFieldDifferent.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/entity/SysFieldDifferent.java
new file mode 100644
index 00000000..2747a052
--- /dev/null
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/entity/SysFieldDifferent.java
@@ -0,0 +1,62 @@
+package com.ruoyi.common.core.domain.entity;
+
+
+/**
+ * 字段差异实体类
+ *
+ * @author 刘晓旭
+ * @date 2024-10-15
+ */
+public class SysFieldDifferent {
+    //差异字段名称
+    private String fieldName;
+
+    //修改前
+    private String before;
+
+    //修改后
+    private String after;
+
+    public SysFieldDifferent() {
+    }
+
+    public SysFieldDifferent(String fieldName, String before, String after) {
+        this.fieldName = fieldName;
+        this.before = before;
+        this.after = after;
+    }
+
+
+    public String getFieldName() {
+        return fieldName;
+    }
+
+    public void setFieldName(String fieldName) {
+        this.fieldName = fieldName;
+    }
+
+    public String getBefore() {
+        return before;
+    }
+
+    public void setBefore(String before) {
+        this.before = before;
+    }
+
+    public String getAfter() {
+        return after;
+    }
+
+    public void setAfter(String after) {
+        this.after = after;
+    }
+
+    @Override
+    public String toString() {
+        return "{" +
+                "fieldName='" + fieldName + '\'' +
+                ", before='" + before + '\'' +
+                ", after='" + after + '\'' +
+                '}';
+    }
+}
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/FieldCompareUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/FieldCompareUtil.java
new file mode 100644
index 00000000..1609af2b
--- /dev/null
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/FieldCompareUtil.java
@@ -0,0 +1,92 @@
+package com.ruoyi.common.utils;
+
+import com.ruoyi.common.annotation.FieldCompare;
+import com.ruoyi.common.core.domain.entity.SysFieldDifferent;
+import com.ruoyi.common.exception.BusinessException;
+
+import java.beans.IntrospectionException;
+import java.beans.PropertyDescriptor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.math.BigDecimal;
+import java.util.*;
+
+/**
+ * 字段对比工具类
+ *
+ * @author 刘晓旭
+ * @date 2024-10-16
+ * */
+public class FieldCompareUtil {
+
+    public static <T> List<SysFieldDifferent> compare(Class<T> type, T newObject, T oldObject) throws Exception {
+        // 变更的记录列表
+        List<SysFieldDifferent> changeLogFields = new ArrayList<>();
+
+        Class<?> newObj = newObject.getClass();
+        Field[] newFields = type.getDeclaredFields();
+        for (int i = 0; i < newFields.length; i++) {
+            FieldCompare newAnnotation = newFields[i].getAnnotation(FieldCompare.class);
+            if (null != newAnnotation) {
+                PropertyDescriptor newPd = new PropertyDescriptor(newFields[i].getName(), newObj);
+                Method getMethodNew = newPd.getReadMethod();
+                Object oldVal = getMethodNew.invoke(oldObject);
+                Object newVal = getMethodNew.invoke(newObject);
+                boolean eq = false;
+                if (oldVal instanceof String) {
+                    String s1 = String.valueOf(oldVal).trim();
+                    String s2 = String.valueOf(newVal).trim();
+                    eq = !s1.equals(s2);
+                } else if (oldVal instanceof Integer) {
+                    int i1 = (Integer) oldVal;
+                    int i2 = (Integer) newVal;
+                    eq = i1 != i2;
+                } else if (oldVal instanceof Double) {
+                    double d1 = (Double) oldVal;
+                    double d2 = (Double) newVal;
+                    eq = d1 != d2;
+                } else if (oldVal instanceof BigDecimal) {
+                    BigDecimal b1 = (BigDecimal) oldVal;
+                    BigDecimal b2 = (BigDecimal) newVal;
+                    eq = b1.compareTo(b2) != 0;
+                } else if (oldVal instanceof Long) {
+                    long l1 = (Long) oldVal;
+                    long l2 = (Long) newVal;
+                    eq = l1 != l2;
+                } else {
+                    eq = !oldVal.equals(newVal);
+                }
+                String s1 = oldVal == null ? "" : oldVal.toString().trim();
+                String s2 = newVal == null ? "" : newVal.toString().trim();
+                if (eq) {
+                    Map<String, String> map = codeToNameMap(newAnnotation);
+                    if (map.size() > 0) {
+                        changeLogFields.add(new SysFieldDifferent(newAnnotation.chineseName(), map.get(s1), map.get(s2)));
+                    } else {
+                        changeLogFields.add(new SysFieldDifferent(newAnnotation.chineseName(), s1, s2));
+                    }
+                }
+            }
+        }
+        return changeLogFields;
+    }
+
+    /**
+     * 字典映射 使用方式:
+     * @param newAnnotation
+     * @return
+     */
+    private static Map<String, String> codeToNameMap(FieldCompare newAnnotation) {
+        Map<String, String> map = new HashMap<>();
+        String properties = newAnnotation.properties();
+        if (properties != null && properties.length() > 0) {
+            String[] propertiesArr = properties.split(",");
+            for (String propertie : propertiesArr) {
+                String[] split = propertie.split(":");
+                map.put(split[0], split[1]);
+            }
+        }
+        return map;
+    }
+
+}