diff --git a/src/main/java/com/xujie/modules/srm/controller/SrmGroupController.java b/src/main/java/com/xujie/modules/srm/controller/SrmGroupController.java
new file mode 100644
index 0000000..eed4e32
--- /dev/null
+++ b/src/main/java/com/xujie/modules/srm/controller/SrmGroupController.java
@@ -0,0 +1,79 @@
+package com.xujie.modules.srm.controller;
+
+import com.xujie.modules.srm.entity.SrmGroup;
+import com.xujie.modules.srm.service.SrmGroupService;
+import com.xujie.common.utils.R;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/srmGroup")
+public class SrmGroupController {
+
+    @Autowired
+    private SrmGroupService srmGroupService;
+
+    /**
+     * 获取供应商分组列表
+     */
+    @PostMapping("/getSupplierGroupList")
+    public R getSupplierGroupList(@RequestBody(required = false) Map<String, Object> params) {
+        if (params == null) {
+            params = new HashMap<>();
+        }
+        
+        List<SrmGroup> groupList = srmGroupService.getSupplierGroupList(params);
+        return R.ok().put("data", groupList);
+    }
+
+    /**
+     * 新增供应商分组
+     */
+    @PostMapping("/addSupplierGroup")
+    public R addSupplierGroup(@RequestBody SrmGroup group) {
+        srmGroupService.addSupplierGroup(group);
+        return R.ok();
+    }
+    
+    /**
+     * 更新供应商分组
+     */
+    @PostMapping("/updateSupplierGroup")
+    public R updateSupplierGroup(@RequestBody SrmGroup group) {
+        srmGroupService.updateSupplierGroup(group);
+        return R.ok();
+    }
+    
+    /**
+     * 删除供应商分组
+     */
+    @PostMapping("/deleteSupplierGroup")
+    public R deleteSupplierGroup(@RequestBody Map<String, Object> params) {
+        // 获取必要参数
+        String supplierGroup = (String) params.get("supplierGroup");
+        String site = (String) params.get("site");
+
+        // 参数校验
+        if (supplierGroup == null || supplierGroup.trim().isEmpty()) {
+            return R.error("供应商分组代码不能为空");
+        }
+
+        if (site == null || site.trim().isEmpty()) {
+            return R.error("站点不能为空");
+        }
+
+        try {
+            // 执行删除
+            srmGroupService.deleteSupplierGroupByCode(site, supplierGroup);
+            return R.ok("删除成功");
+        } catch (RuntimeException e) {
+            return R.error(e.getMessage());
+        } catch (Exception e) {
+            return R.error("删除失败：" + e.getMessage());
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/xujie/modules/srm/mapper/SrmGroupMapper.java b/src/main/java/com/xujie/modules/srm/mapper/SrmGroupMapper.java
new file mode 100644
index 0000000..efb54cf
--- /dev/null
+++ b/src/main/java/com/xujie/modules/srm/mapper/SrmGroupMapper.java
@@ -0,0 +1,23 @@
+package com.xujie.modules.srm.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.xujie.modules.srm.entity.SrmGroup;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+import java.util.Map;
+
+@Mapper
+public interface SrmGroupMapper extends BaseMapper<SrmGroup> {
+
+    //查询供应商分组列表
+    List<SrmGroup> selectSupplierGroupList(@Param("params") Map<String, Object> params);
+
+     // 检查供应商分组是否已存在
+    int checkSupplierGroupExists(@Param("site") String site, @Param("supplierGroup") String supplierGroup);
+
+    // 检查供应商分组名称是否已存在
+    int checkSupplierGroupDescExists(@Param("site") String site, @Param("groupDesc") String groupDesc);
+
+}
\ No newline at end of file
diff --git a/src/main/java/com/xujie/modules/srm/service/SrmGroupService.java b/src/main/java/com/xujie/modules/srm/service/SrmGroupService.java
new file mode 100644
index 0000000..f2bb7fb
--- /dev/null
+++ b/src/main/java/com/xujie/modules/srm/service/SrmGroupService.java
@@ -0,0 +1,24 @@
+package com.xujie.modules.srm.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.xujie.modules.srm.entity.SrmGroup;
+import com.xujie.common.utils.PageUtils;
+
+import java.util.List;
+import java.util.Map;
+
+public interface SrmGroupService extends IService<SrmGroup> {
+     // 获取供应商分组列表
+    List<SrmGroup> getSupplierGroupList(Map<String, Object> params);
+    
+
+     // 新增供应商分组
+    void addSupplierGroup(SrmGroup group);
+    
+
+     // 更新供应商分组
+    void updateSupplierGroup(SrmGroup group);
+
+     // 删除供应商分组
+    void deleteSupplierGroupByCode(String site, String supplierGroup);
+}
\ No newline at end of file
diff --git a/src/main/java/com/xujie/modules/srm/service/impl/SrmGroupServiceImpl.java b/src/main/java/com/xujie/modules/srm/service/impl/SrmGroupServiceImpl.java
new file mode 100644
index 0000000..cd7a96b
--- /dev/null
+++ b/src/main/java/com/xujie/modules/srm/service/impl/SrmGroupServiceImpl.java
@@ -0,0 +1,178 @@
+package com.xujie.modules.srm.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.xujie.modules.srm.entity.SrmGroup;
+import com.xujie.modules.srm.entity.SrmSupplier;
+import com.xujie.modules.srm.mapper.SrmGroupMapper;
+import com.xujie.modules.srm.service.SrmGroupService;
+import com.xujie.modules.srm.service.SrmSupplierService;
+import jakarta.transaction.Transactional;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Map;
+
+@Service
+public class SrmGroupServiceImpl extends ServiceImpl<SrmGroupMapper, SrmGroup> implements SrmGroupService {
+
+    @Autowired
+    private SrmSupplierService srmSupplierService;
+    @Override
+    public List<SrmGroup> getSupplierGroupList(Map<String, Object> params) {
+        // 使用XML中的方法进行查询
+        return baseMapper.selectSupplierGroupList(params);
+    }
+    
+    @Override
+    @Transactional
+    public void addSupplierGroup(SrmGroup group) {
+        // 检查必要参数是否存在
+        if (group.getSupplierGroup() == null || group.getSupplierGroup().isEmpty()) {
+            throw new RuntimeException("供应商分组代码不能为空");
+        }
+        
+        if (group.getSite() == null || group.getSite().isEmpty()) {
+            throw new RuntimeException("站点信息不能为空");
+        }
+        
+        // 检查供应商分组代码是否已存在（基于站点和分组代码）
+        int count = baseMapper.checkSupplierGroupExists(group.getSite(), group.getSupplierGroup());
+        if (count > 0) {
+            throw new RuntimeException("供应商分组代码已存在：" + group.getSupplierGroup() + "，请使用不同的分组代码");
+        }
+        
+        // 如果提供了分组名称，检查分组名称是否已存在
+        if (group.getGroupDesc() != null && !group.getGroupDesc().isEmpty()) {
+            int descCount = baseMapper.checkSupplierGroupDescExists(group.getSite(), group.getGroupDesc());
+            if (descCount > 0) {
+                throw new RuntimeException("供应商分组名称已存在：" + group.getGroupDesc() + "，请使用不同的分组名称");
+            }
+        }
+        
+        // 设置默认值
+        if (group.getActive() == null || group.getActive().isEmpty()) {
+            group.setActive("Y"); // 默认激活
+        }
+        
+        if (group.getGroupType() == null || group.getGroupType().isEmpty()) {
+            group.setGroupType("DEFAULT"); // 默认类型
+        }
+        
+        // 保存供应商分组信息
+        this.save(group);
+    }
+
+    @Override
+    @Transactional
+    public void updateSupplierGroup(SrmGroup group) {
+        // 参数校验
+        if (group == null) {
+            throw new RuntimeException("供应商分组信息不能为空");
+        }
+
+        if (group.getSite() == null || group.getSite().trim().isEmpty()) {
+            throw new RuntimeException("站点不能为空");
+        }
+
+        if (group.getSupplierGroup() == null || group.getSupplierGroup().trim().isEmpty()) {
+            throw new RuntimeException("供应商分组代码不能为空");
+        }
+
+        if (group.getGroupDesc() == null || group.getGroupDesc().trim().isEmpty()) {
+            throw new RuntimeException("供应商分组描述不能为空");
+        }
+
+        // 根据站点和分组代码检查分组是否存在
+        QueryWrapper<SrmGroup> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("site", group.getSite())
+                .eq("supplier_group", group.getSupplierGroup());
+
+        SrmGroup existingGroup = this.getOne(queryWrapper);
+
+        // 如果分组不存在，无法修改
+        if (existingGroup == null) {
+            throw new RuntimeException(String.format(
+                    "供应商分组不存在：站点[%s]，分组代码[%s]",
+                    group.getSite(), group.getSupplierGroup()
+            ));
+        }
+        
+        // 检查新的分组描述是否与其他分组冲突（同一站点内）
+        if (!existingGroup.getGroupDesc().equals(group.getGroupDesc())) {
+            int count = baseMapper.checkSupplierGroupDescExists(group.getSite(), group.getGroupDesc());
+            if (count > 0) {
+                throw new RuntimeException("供应商分组名称已存在：" + group.getGroupDesc() + "，请使用不同的分组名称");
+            }
+        }
+
+        // 分组存在，进行修改
+        existingGroup.setGroupDesc(group.getGroupDesc());
+
+        if (group.getActive() != null) {
+            existingGroup.setActive(group.getActive());
+        }
+
+        if (group.getGroupType() != null) {
+            existingGroup.setGroupType(group.getGroupType());
+        }
+
+        // 执行更新
+        this.updateById(existingGroup);
+    }
+
+    @Override
+    @Transactional
+    public void deleteSupplierGroupByCode(String site, String supplierGroup) {
+        // 参数校验
+        if (site == null || site.trim().isEmpty()) {
+            throw new RuntimeException("站点不能为空");
+        }
+
+        if (supplierGroup == null || supplierGroup.trim().isEmpty()) {
+            throw new RuntimeException("供应商分组代码不能为空");
+        }
+
+        // 1. 检查分组是否存在
+        QueryWrapper<SrmGroup> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("site", site)
+                .eq("supplier_group", supplierGroup);
+
+        SrmGroup group = this.getOne(queryWrapper);
+        if (group == null) {
+            throw new RuntimeException(String.format(
+                    "供应商分组不存在：站点[%s]，分组代码[%s]", site, supplierGroup
+            ));
+        }
+
+        // 2. 检查是否有关联数据
+        checkIfHasRelatedData(site, supplierGroup);
+
+        // 3. 执行删除操作
+        boolean result = this.remove(queryWrapper);
+        if (!result) {
+            throw new RuntimeException(String.format(
+                    "删除供应商分组失败：站点[%s]，分组代码[%s]", site, supplierGroup
+            ));
+        }
+    }
+
+     // 检查是否有关联数据
+    private void checkIfHasRelatedData(String site, String supplierGroup) {
+        // 检查供应商表是否有使用此分组的记录
+        QueryWrapper<SrmSupplier> supplierQuery = new QueryWrapper<>();
+        supplierQuery.eq("site", site)
+                .eq("supplier_group", supplierGroup);
+
+        // 获取关联供应商数量
+        Long supplierCount = srmSupplierService.count(supplierQuery);
+
+        if (supplierCount != null && supplierCount > 0) {
+            throw new RuntimeException(String.format(
+                    "该分组已被 %d 个供应商使用，无法删除", supplierCount
+            ));
+        }
+    }
+
+}
\ No newline at end of file