diff --git a/server/src/main/java/com/ruoyi/clazz/controller/ClazzController.java b/server/src/main/java/com/ruoyi/clazz/controller/ClazzController.java
index 5f2dc61..bc16074 100644
--- a/server/src/main/java/com/ruoyi/clazz/controller/ClazzController.java
+++ b/server/src/main/java/com/ruoyi/clazz/controller/ClazzController.java
@@ -7,6 +7,7 @@ import com.ruoyi.clazz.domain.Clazz;
 import com.ruoyi.clazz.domain.req.ClazzEditReq;
 import com.ruoyi.clazz.domain.req.ClazzQueryReq;
 import com.ruoyi.clazz.domain.req.ClazzSaveReq;
+import com.ruoyi.clazz.domain.res.ClazzGroupRes;
 import com.ruoyi.clazz.server.ClazzService;
 import com.ruoyi.common.core.page.TableDataInfo;
 import com.ruoyi.common.utils.poi.ExcelUtil;
@@ -108,4 +109,15 @@ public class ClazzController extends BaseController {
     public Result<String> remove(@PathVariable List<Long> ids) {
         return toAjax(clazzService.removeBatchByIds(ids));
     }
+
+    /**
+     * 根据学生id查询小组信息
+     */
+    @ApiOperation("根据学生id查询小组信息")
+    @PreAuthorize("@ss.hasPermi('clazz:clazz:query')")
+    @GetMapping(value = "/queryGroup/{id}")
+    public Result<List<ClazzGroupRes>> getGroupInfo(@PathVariable("id") Long id) {
+        return Result.success(clazzService.getGroupInfo(id));
+    }
+
 }
diff --git a/server/src/main/java/com/ruoyi/clazz/controller/ClazzGroupController.java b/server/src/main/java/com/ruoyi/clazz/controller/ClazzGroupController.java
new file mode 100644
index 0000000..6b4578e
--- /dev/null
+++ b/server/src/main/java/com/ruoyi/clazz/controller/ClazzGroupController.java
@@ -0,0 +1,28 @@
+package com.ruoyi.clazz.controller;
+
+import com.ruoyi.clazz.domain.res.ClazzGroupRes;
+import com.ruoyi.clazz.server.ClazzGroupService;
+import com.ruoyi.clazz.server.ClazzService;
+import com.ruoyi.common.core.domain.Result;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+public class ClazzGroupController {
+    @Autowired
+    private ClazzGroupService clazzGroupService;
+
+    @GetMapping("/queryGroup/{id}")
+    public Result<List<ClazzGroupRes>> getGroupInfo(@PathVariable("id") Long id) {
+
+        return Result.success(clazzGroupService.getGroupInfo(id));
+    }
+}
+
diff --git a/server/src/main/java/com/ruoyi/clazz/domain/res/ClazzGroupRes.java b/server/src/main/java/com/ruoyi/clazz/domain/res/ClazzGroupRes.java
new file mode 100644
index 0000000..dcedd03
--- /dev/null
+++ b/server/src/main/java/com/ruoyi/clazz/domain/res/ClazzGroupRes.java
@@ -0,0 +1,13 @@
+package com.ruoyi.clazz.domain.res;
+
+import com.ruoyi.clazz.domain.Clazz;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class ClazzGroupRes extends Clazz {
+    private String groupName;
+}
diff --git a/server/src/main/java/com/ruoyi/clazz/mapper/ClazzGroupMapper.java b/server/src/main/java/com/ruoyi/clazz/mapper/ClazzGroupMapper.java
new file mode 100644
index 0000000..04a79ca
--- /dev/null
+++ b/server/src/main/java/com/ruoyi/clazz/mapper/ClazzGroupMapper.java
@@ -0,0 +1,12 @@
+package com.ruoyi.clazz.mapper;
+
+import com.ruoyi.clazz.domain.res.ClazzGroupRes;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+
+@Mapper
+public interface ClazzGroupMapper {
+    List<ClazzGroupRes> getGroupInfo(@Param("id") Long id);
+}
diff --git a/server/src/main/java/com/ruoyi/clazz/mapper/ClazzMapper.java b/server/src/main/java/com/ruoyi/clazz/mapper/ClazzMapper.java
index 9401878..ea13c1c 100644
--- a/server/src/main/java/com/ruoyi/clazz/mapper/ClazzMapper.java
+++ b/server/src/main/java/com/ruoyi/clazz/mapper/ClazzMapper.java
@@ -3,7 +3,11 @@ package com.ruoyi.clazz.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.ruoyi.clazz.domain.Clazz;
+import com.ruoyi.clazz.domain.res.ClazzGroupRes;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
 
 /**
  * 学生Mapper接口
@@ -14,4 +18,5 @@ import org.apache.ibatis.annotations.Mapper;
 @Mapper
 public interface ClazzMapper extends BaseMapper<Clazz> {
 
+    List<ClazzGroupRes> getGroupInfo(@Param("id") Long id);
 }
diff --git a/server/src/main/java/com/ruoyi/clazz/server/ClazzGroupService.java b/server/src/main/java/com/ruoyi/clazz/server/ClazzGroupService.java
new file mode 100644
index 0000000..c4eaf40
--- /dev/null
+++ b/server/src/main/java/com/ruoyi/clazz/server/ClazzGroupService.java
@@ -0,0 +1,9 @@
+package com.ruoyi.clazz.server;
+
+import com.ruoyi.clazz.domain.res.ClazzGroupRes;
+
+import java.util.List;
+
+public interface ClazzGroupService {
+    List<ClazzGroupRes> getGroupInfo(Long id);
+}
diff --git a/server/src/main/java/com/ruoyi/clazz/server/ClazzService.java b/server/src/main/java/com/ruoyi/clazz/server/ClazzService.java
index 0deb5ff..b5291f9 100644
--- a/server/src/main/java/com/ruoyi/clazz/server/ClazzService.java
+++ b/server/src/main/java/com/ruoyi/clazz/server/ClazzService.java
@@ -3,6 +3,7 @@ package com.ruoyi.clazz.server;
 
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.ruoyi.clazz.domain.Clazz;
+import com.ruoyi.clazz.domain.res.ClazzGroupRes;
 
 import java.util.List;
 
@@ -21,4 +22,5 @@ public interface ClazzService extends IService<Clazz> {
      */
     public List<Clazz> list(Clazz clazz);
 
+    List<ClazzGroupRes> getGroupInfo(Long id);
 }
diff --git a/server/src/main/java/com/ruoyi/clazz/server/impl/ClazzGroupServiceImpl.java b/server/src/main/java/com/ruoyi/clazz/server/impl/ClazzGroupServiceImpl.java
new file mode 100644
index 0000000..4bdf13e
--- /dev/null
+++ b/server/src/main/java/com/ruoyi/clazz/server/impl/ClazzGroupServiceImpl.java
@@ -0,0 +1,21 @@
+package com.ruoyi.clazz.server.impl;
+
+import com.ruoyi.clazz.domain.res.ClazzGroupRes;
+import com.ruoyi.clazz.mapper.ClazzGroupMapper;
+import com.ruoyi.clazz.server.ClazzGroupService;
+import com.ruoyi.clazz.server.ClazzService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class ClazzGroupServiceImpl implements ClazzGroupService {
+    @Autowired
+    private ClazzGroupMapper clazzGroupMapper;
+    @Override
+    public List<ClazzGroupRes> getGroupInfo(Long id) {
+        List<ClazzGroupRes> list = clazzGroupMapper.getGroupInfo(id);
+        return list;
+    }
+}
diff --git a/server/src/main/java/com/ruoyi/clazz/server/impl/ClazzServiceImpl.java b/server/src/main/java/com/ruoyi/clazz/server/impl/ClazzServiceImpl.java
index 086365e..5e9702b 100644
--- a/server/src/main/java/com/ruoyi/clazz/server/impl/ClazzServiceImpl.java
+++ b/server/src/main/java/com/ruoyi/clazz/server/impl/ClazzServiceImpl.java
@@ -4,10 +4,12 @@ import java.util.List;
 
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.ruoyi.clazz.domain.Clazz;
+import com.ruoyi.clazz.domain.res.ClazzGroupRes;
 import com.ruoyi.clazz.mapper.ClazzMapper;
 import com.ruoyi.clazz.server.ClazzService;
 import com.ruoyi.common.utils.ObjUtils;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 
@@ -19,7 +21,9 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
  */
 @Slf4j
 @Service
-public class ClazzServiceImpl extends ServiceImpl<ClazzMapper, Clazz> implements ClazzService {
+public class ClazzServiceImpl extends ServiceImpl<ClazzMapper, Clazz > implements ClazzService {
+    @Autowired
+    private ClazzMapper clazzMapper;
 
     /**
      * 查询学生列表
@@ -66,4 +70,10 @@ public class ClazzServiceImpl extends ServiceImpl<ClazzMapper, Clazz> implements
 
         return list(queryWrapper);
     }
+
+    @Override
+    public List<ClazzGroupRes> getGroupInfo(Long id) {
+        List<ClazzGroupRes> list =clazzMapper.getGroupInfo(id);
+        return list;
+    }
 }
diff --git a/server/src/main/resources/mapper/clazz/ClazzGroupMapper.xml b/server/src/main/resources/mapper/clazz/ClazzGroupMapper.xml
new file mode 100644
index 0000000..ee33dab
--- /dev/null
+++ b/server/src/main/resources/mapper/clazz/ClazzGroupMapper.xml
@@ -0,0 +1,13 @@
+<?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.clazz.mapper.ClazzGroupMapper">
+
+    <select id="getGroupInfo" resultType="com.ruoyi.clazz.domain.res.ClazzGroupRes">
+        SELECT c.stu_number, c.stu_name, c.stu_age, c.stu_gender, s.group_name
+        FROM clazz c
+                 LEFT JOIN stu_group s ON c.id = s.stu_id
+        WHERE s.id = #{id}
+</select>
+</mapper>
diff --git a/server/src/main/resources/mapper/clazz/ClazzMapper.xml b/server/src/main/resources/mapper/clazz/ClazzMapper.xml
index 7db9f7b..4bd5676 100644
--- a/server/src/main/resources/mapper/clazz/ClazzMapper.xml
+++ b/server/src/main/resources/mapper/clazz/ClazzMapper.xml
@@ -20,7 +20,28 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <result property="remark"    column="remark"    />
     </resultMap>
 
+    <resultMap type="com.ruoyi.clazz.domain.res.ClazzGroupRes" id="ClazzGroupResult">
+        <result property="id"    column="id"    />
+        <result property="stuNumber"    column="stu_number"    />
+        <result property="stuName"    column="stu_name"    />
+        <result property="stuAge"    column="stu_age"    />
+        <result property="stuGender"    column="stu_gender"    />
+        <result property="stuClazz"    column="stu_clazz"    />
+        <result property="createTime"    column="create_time"    />
+        <result property="createBy"    column="create_by"    />
+        <result property="updateTime"    column="update_time"    />
+        <result property="updateBy"    column="update_by"    />
+        <result property="sysUser"    column="sys_user"    />
+        <result property="isDelete"    column="is_delete"    />
+        <result property="remark"    column="remark"    />
+        <result property="groupName"    column="group_name"    />
+    </resultMap>
+
     <sql id="selectClazzVo">
         select id, stu_number, stu_name, stu_age, stu_gender, stu_clazz, create_time, create_by, update_time, update_by, sys_user, is_delete, remark from clazz
     </sql>
+
+    <sql id="ClazzGroupResult">
+        select  c.stu_number, c.stu_name, c.stu_age, c.stu_gender, s.group_name from stu_group s LEFT JOIN clazz c on c.id=s.id WHERE s.id =#{id}
+    </sql>
 </mapper>