diff --git a/src/main/java/com/teaching/backend/service/courses/ICoursesService.java b/src/main/java/com/teaching/backend/service/courses/ICoursesService.java
index 6a507d9..e08a348 100644
--- a/src/main/java/com/teaching/backend/service/courses/ICoursesService.java
+++ b/src/main/java/com/teaching/backend/service/courses/ICoursesService.java
@@ -4,6 +4,7 @@ package com.teaching.backend.service.courses;
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.teaching.backend.model.dto.courses.CoursesDTO;
 import com.teaching.backend.model.dto.courses.PageDTO;
+import com.teaching.backend.model.dto.umsAdmin.UmsStudentPageQueryDTO;
 import com.teaching.backend.model.entity.courses.Courses;
 import com.teaching.backend.model.entity.umsAdmin.UmsStudent;
 import com.teaching.backend.model.entity.umsAdmin.UmsStudentManage;
diff --git a/src/main/java/com/teaching/backend/service/impl/courses/CoursesServiceImpl.java b/src/main/java/com/teaching/backend/service/impl/courses/CoursesServiceImpl.java
index 7d5eab9..005414f 100644
--- a/src/main/java/com/teaching/backend/service/impl/courses/CoursesServiceImpl.java
+++ b/src/main/java/com/teaching/backend/service/impl/courses/CoursesServiceImpl.java
@@ -20,6 +20,7 @@ import com.teaching.backend.mapper.umsAdmin.UmsTeacherMapper;
 import com.teaching.backend.mapper.umsAdmin.UmsUserMapper;
 import com.teaching.backend.model.dto.courses.CoursesDTO;
 import com.teaching.backend.model.dto.courses.PageDTO;
+import com.teaching.backend.model.dto.umsAdmin.UmsStudentPageQueryDTO;
 import com.teaching.backend.model.entity.chapter.Chapter;
 import com.teaching.backend.model.entity.courses.*;
 import com.teaching.backend.model.entity.records.CourseLearningRecord;
@@ -364,11 +365,13 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
         List<PersonalCenterStudentListVO> personalCenterStudentListVOList = new ArrayList<>();
         PersonalCenterStudentListVO personalCenterStudentListVO = null;
         for (UmsStudentManage umsStudentManage : umsStudentManageList) {
-            personalCenterStudentListVO = new PersonalCenterStudentListVO();
-            personalCenterStudentListVO.setIcon(umsStudentManage.getIcon());
-            personalCenterStudentListVO.setName(umsStudentManage.getName());
-            personalCenterStudentListVO.setNumber(umsStudentManage.getNumber());
-            personalCenterStudentListVOList.add(personalCenterStudentListVO);
+            if (umsStudentManage != null){
+                personalCenterStudentListVO = new PersonalCenterStudentListVO();
+                personalCenterStudentListVO.setIcon(umsStudentManage.getIcon());
+                personalCenterStudentListVO.setName(umsStudentManage.getName());
+                personalCenterStudentListVO.setNumber(umsStudentManage.getNumber());
+                personalCenterStudentListVOList.add(personalCenterStudentListVO);
+            }
         }
         return personalCenterStudentListVOList;
     }
diff --git a/src/main/java/com/teaching/backend/service/impl/umsAdmin/UmsStudentManageServiceImpl.java b/src/main/java/com/teaching/backend/service/impl/umsAdmin/UmsStudentManageServiceImpl.java
index 12eb47d..410f1bd 100644
--- a/src/main/java/com/teaching/backend/service/impl/umsAdmin/UmsStudentManageServiceImpl.java
+++ b/src/main/java/com/teaching/backend/service/impl/umsAdmin/UmsStudentManageServiceImpl.java
@@ -53,7 +53,7 @@ public class UmsStudentManageServiceImpl extends ServiceImpl<UmsStudentManageMap
     @Override
     public Map<String, Object> pageQuery(UmsStudentPageQueryDTO umsStudentPageQueryDTO) {
 
-        LinkedHashSet<UmsStudentManage> umsStudentManages = coursesService.queryTeacherByStudentList(umsStudentPageQueryDTO.getUserId());
+        LinkedHashSet<UmsStudentManage> umsStudentManages = coursesService.queryTeacherByStudentList(umsStudentPageQueryDTO.getName());
 
         //总记录数
         int totalCount = umsStudentManages.size();