diff --git a/web-adapter/src/main/java/com/zcloud/edu/app/study/AppStudentSignController.java b/web-adapter/src/main/java/com/zcloud/edu/app/study/AppStudentSignController.java
index 8a0a584..23b39c1 100644
--- a/web-adapter/src/main/java/com/zcloud/edu/app/study/AppStudentSignController.java
+++ b/web-adapter/src/main/java/com/zcloud/edu/app/study/AppStudentSignController.java
@@ -53,6 +53,11 @@ public class AppStudentSignController {
     public MultiResponse<StudentSignCO> listAll(@RequestBody ClassAppSignQry qry) {
         return studentSignService.listAll(qry);
     }
+    @ApiOperation("所有数据")
+    @PostMapping("/listAllNoGroup")
+    public MultiResponse<StudentSignCO> listAllNoGroup(@RequestBody ClassAppSignQry qry) {
+        return studentSignService.listAllNoGroup(qry);
+    }
 
     @ApiOperation("详情")
     @GetMapping("/{id}")
diff --git a/web-app/src/main/java/com/zcloud/edu/command/query/study/StudentSignQueryExe.java b/web-app/src/main/java/com/zcloud/edu/command/query/study/StudentSignQueryExe.java
index 106858b..8ef1b96 100644
--- a/web-app/src/main/java/com/zcloud/edu/command/query/study/StudentSignQueryExe.java
+++ b/web-app/src/main/java/com/zcloud/edu/command/query/study/StudentSignQueryExe.java
@@ -67,6 +67,13 @@ public class StudentSignQueryExe {
         return MultiResponse.of(studentSignCOS);
     }
 
+    public MultiResponse<StudentSignCO> executeListAllNogGroup(ClassAppSignQry qry) {
+        Map<String, Object> params = PageQueryHelper.toHashMap(qry);
+        List<StudentSignDO> list = studentSignRepository.listAllByStudentNoGroup(params);
+        List<StudentSignCO> studentSignCOS = studentSignCoConvertor.converDOsToCOs(list);
+        return MultiResponse.of(studentSignCOS);
+    }
+
 
     public SingleResponse<StudentCO> executeVerify(StudentSignVerifyQry qry) {
         ClassDO classDO = classRepository.getByClassId(qry.getClassId());
diff --git a/web-app/src/main/java/com/zcloud/edu/command/study/StudentExamRecordAddExe.java b/web-app/src/main/java/com/zcloud/edu/command/study/StudentExamRecordAddExe.java
index 8ed7a67..04e6589 100644
--- a/web-app/src/main/java/com/zcloud/edu/command/study/StudentExamRecordAddExe.java
+++ b/web-app/src/main/java/com/zcloud/edu/command/study/StudentExamRecordAddExe.java
@@ -45,7 +45,6 @@ public class StudentExamRecordAddExe {
     private final TrainingUserRepository trainingUserRepository;
     @Transactional(rollbackFor = Exception.class)
     public SingleResponse<StudentExamRecordCO> execute(StudentExamRecordAddCmd cmd) {
-        System.out.println("StudentExamRecordAddCmd"+ cmd.toString());
         ClassDO classDO = classRepository.getByClassId(cmd.getClassId());
         Integer count = studentExamRecordRepository.countByStudentId(cmd.getStudentId());
         if (count >= classDO.getNumberofexams()) {
diff --git a/web-app/src/main/java/com/zcloud/edu/service/study/StudentSignServiceImpl.java b/web-app/src/main/java/com/zcloud/edu/service/study/StudentSignServiceImpl.java
index 007e05a..14fb0eb 100644
--- a/web-app/src/main/java/com/zcloud/edu/service/study/StudentSignServiceImpl.java
+++ b/web-app/src/main/java/com/zcloud/edu/service/study/StudentSignServiceImpl.java
@@ -60,6 +60,10 @@ public class StudentSignServiceImpl implements StudentSignServiceI {
     public MultiResponse<StudentSignCO> listAll(ClassAppSignQry qry) {
         return studentSignQueryExe.executeListAll(qry);
     }
+    @Override
+    public MultiResponse<StudentSignCO> listAllNoGroup(ClassAppSignQry qry) {
+        return studentSignQueryExe.executeListAllNogGroup(qry);
+    }
 
     @Override
     public SingleResponse<StudentCO> verify(StudentSignVerifyQry qry) {
diff --git a/web-client/src/main/java/com/zcloud/edu/api/study/StudentSignServiceI.java b/web-client/src/main/java/com/zcloud/edu/api/study/StudentSignServiceI.java
index e3ac1a0..bdc8b91 100644
--- a/web-client/src/main/java/com/zcloud/edu/api/study/StudentSignServiceI.java
+++ b/web-client/src/main/java/com/zcloud/edu/api/study/StudentSignServiceI.java
@@ -26,6 +26,7 @@ public interface StudentSignServiceI {
     void removeBatch(Long[] ids);
 
     MultiResponse<StudentSignCO> listAll(ClassAppSignQry qry);
+    MultiResponse<StudentSignCO> listAllNoGroup(ClassAppSignQry qry);
 
     SingleResponse<StudentCO> verify(StudentSignVerifyQry qry);
 }
diff --git a/web-infrastructure/src/main/java/com/zcloud/edu/persistence/mapper/study/StudentSignMapper.java b/web-infrastructure/src/main/java/com/zcloud/edu/persistence/mapper/study/StudentSignMapper.java
index 57a73fe..8818ed6 100644
--- a/web-infrastructure/src/main/java/com/zcloud/edu/persistence/mapper/study/StudentSignMapper.java
+++ b/web-infrastructure/src/main/java/com/zcloud/edu/persistence/mapper/study/StudentSignMapper.java
@@ -18,5 +18,6 @@ import java.util.Map;
 public interface StudentSignMapper extends BaseMapper<StudentSignDO> {
     List<StudentSignDO> listAll(@Param("params") Map<String, Object> params);
     List<StudentSignDO> listAllByStudent(@Param("params") Map<String, Object> params);
+    List<StudentSignDO> listAllByStudentNoGroup(@Param("params") Map<String, Object> params);
 }
 
diff --git a/web-infrastructure/src/main/java/com/zcloud/edu/persistence/repository/impl/study/StudentSignRepositoryImpl.java b/web-infrastructure/src/main/java/com/zcloud/edu/persistence/repository/impl/study/StudentSignRepositoryImpl.java
index 23e2e30..f615d73 100644
--- a/web-infrastructure/src/main/java/com/zcloud/edu/persistence/repository/impl/study/StudentSignRepositoryImpl.java
+++ b/web-infrastructure/src/main/java/com/zcloud/edu/persistence/repository/impl/study/StudentSignRepositoryImpl.java
@@ -58,6 +58,10 @@ public class StudentSignRepositoryImpl extends BaseRepositoryImpl<StudentSignMap
     public List<StudentSignDO> listAllByStudent(Map<String, Object> params) {
         return studentSignMapper.listAllByStudent(params);
     }
+    @Override
+    public List<StudentSignDO> listAllByStudentNoGroup(Map<String, Object> params) {
+        return studentSignMapper.listAllByStudentNoGroup(params);
+    }
 
     @Override
     public List<StudentSignDO> listAllByStudentId(Map<String, Object> params) {
diff --git a/web-infrastructure/src/main/java/com/zcloud/edu/persistence/repository/study/StudentSignRepository.java b/web-infrastructure/src/main/java/com/zcloud/edu/persistence/repository/study/StudentSignRepository.java
index 9c01238..1465762 100644
--- a/web-infrastructure/src/main/java/com/zcloud/edu/persistence/repository/study/StudentSignRepository.java
+++ b/web-infrastructure/src/main/java/com/zcloud/edu/persistence/repository/study/StudentSignRepository.java
@@ -23,6 +23,8 @@ public interface StudentSignRepository extends BaseRepository<StudentSignDO> {
 
     List<StudentSignDO> listAllByStudent(Map<String, Object> params);
 
+    List<StudentSignDO> listAllByStudentNoGroup(Map<String, Object> params);
+
     List<StudentSignDO> listAllByStudentId(Map<String, Object> params);
 
     Integer countByClassId(String classId);
diff --git a/web-infrastructure/src/main/resources/mapper/study/StudentSignMapper.xml b/web-infrastructure/src/main/resources/mapper/study/StudentSignMapper.xml
index 4b6f972..cb0444f 100644
--- a/web-infrastructure/src/main/resources/mapper/study/StudentSignMapper.xml
+++ b/web-infrastructure/src/main/resources/mapper/study/StudentSignMapper.xml
@@ -71,6 +71,42 @@
     </select>
 
 
+    <select id="listAllByStudentNoGroup" resultType="com.zcloud.edu.persistence.dataobject.study.StudentSignDO">
+        SELECT
+        s.name student_name,
+        cl.name class_name,
+        cl.training_location,
+        MAX(CASE WHEN ss.type = 1 THEN ss.face_url END) AS sign_face_url,
+        MAX(CASE WHEN ss.type = 2 THEN ss.face_url END) AS exam_face_url,
+        u.user_avatar_url,
+        s.user_id_card,
+        s.phone,
+
+        ss.*
+        FROM
+        student_sign ss
+        LEFT JOIN student s ON ss.student_id = s.student_id
+        LEFT JOIN class cl ON cl.class_id = s.class_id
+        left join user u on u.phone = s.phone
+        <where>
+            <if test="params.classId != null and params.classId != ''">
+                AND ss.class_id = #{params.classId}
+            </if>
+            <if test="params.studentId != null and params.studentId != ''">
+                AND ss.student_id = #{params.studentId}
+            </if>
+            <if test="params.type != null and params.type != ''">
+                AND ss.type = #{params.type}
+            </if>
+            AND ss.delete_enum = 'FALSE'
+            and ss.sign_url is not null
+            and ss.sign_url != ''
+
+            order by
+            ss.create_time desc
+        </where>
+    </select>
+
     <!--<select id="listAllByStudentId" resultType="com.zcloud.edu.persistence.dataobject.study.StudentSignDO">-->
     <!--    SELECT-->
     <!--        s.name student_name,-->