diff --git a/web/src/main/java/com/ibeetl/jlw/web/TeacherOpenCourseChatLogController.java b/web/src/main/java/com/ibeetl/jlw/web/TeacherOpenCourseChatLogController.java
index 917dd48f..0eefc1c4 100644
--- a/web/src/main/java/com/ibeetl/jlw/web/TeacherOpenCourseChatLogController.java
+++ b/web/src/main/java/com/ibeetl/jlw/web/TeacherOpenCourseChatLogController.java
@@ -2,7 +2,6 @@ package com.ibeetl.jlw.web;
 
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.collection.CollUtil;
-import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.lang.Assert;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
@@ -41,9 +40,13 @@ import org.springframework.web.servlet.ModelAndView;
 import javax.validation.constraints.NotNull;
 import java.io.IOException;
 import java.math.BigDecimal;
-import java.util.*;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
+import static cn.jlw.util.CacheUserUtil.getStudent;
 import static com.ibeetl.admin.core.util.ExcelUtil.convertData;
 import static com.ibeetl.admin.core.util.ExcelUtil.write;
 
@@ -270,6 +273,12 @@ public class TeacherOpenCourseChatLogController extends BaseController {
         if (!coreUser.isAdmin()) {
             condition.setOrgId(coreUser.getOrgId());
         }
+
+        // 学生身份过滤班级
+        if (coreUser.isStudent()) {
+            condition.setSchoolClassIds(getStudent().getClassId().toString());
+        }
+
         PageQuery page = condition.getPageQuery();
         // 为空则查询顶级
         condition.setTeacherOpenCourseChatLogParentId(ObjectUtil.defaultIfNull(condition.getTeacherOpenCourseChatLogParentId(), 0L));
diff --git a/web/src/main/resources/sql/jlw/teacherOpenCourseChatLog.md b/web/src/main/resources/sql/jlw/teacherOpenCourseChatLog.md
index 3b50e37b..f7378be9 100644
--- a/web/src/main/resources/sql/jlw/teacherOpenCourseChatLog.md
+++ b/web/src/main/resources/sql/jlw/teacherOpenCourseChatLog.md
@@ -33,7 +33,7 @@ queryByCondition
   and find_in_set(t.teacher_open_course_id,#teacherOpenCourseIdPlural#)
   @}
   @if(!isEmpty(schoolClassIds)){
-  and t.school_class_ids =#schoolClassIds#
+  and find_in_set(t.school_class_ids, #schoolClassIds#)
   @}
   @if(!isEmpty(teacherId)){
   and t.teacher_id =#teacherId#