diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/course/dao/CourseDao.java b/servers/boe-server-all/src/main/java/com/xboe/module/course/dao/CourseDao.java
index bf68498b..dbda3d98 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/course/dao/CourseDao.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/course/dao/CourseDao.java
@@ -240,7 +240,7 @@ public class CourseDao extends BaseDao<Course> {
 		builder.append(" FROM boe_course c");
 		// 聚合教师姓名
 		builder.append(System.lineSeparator());
-		builder.append("LEFT JOIN (SELECT course_id, GROUP_CONCAT(teacher_name ORDER BY id SEPARATOR ',') AS teacher_names FROM boe_course_teacher GROUP BY course_id) tch ON c.id = tch.course_id");
+		builder.append("LEFT JOIN (SELECT course_id, GROUP_CONCAT(teacher_name ORDER BY id SEPARATOR '、') AS teacher_names FROM boe_course_teacher GROUP BY course_id) tch ON c.id = tch.course_id");
 		// 学习人数聚合（满足时间条件的学习记录，且学习记录有效）
 		builder.append(System.lineSeparator());
 		builder.append("LEFT JOIN (SELECT course_id, COUNT(*) AS studys FROM boe_study_course");