diff --git a/web/src/main/java/com/ibeetl/jlw/entity/TeacherOpenCourse.java b/web/src/main/java/com/ibeetl/jlw/entity/TeacherOpenCourse.java
index 3ad1dcfb..4200ee37 100644
--- a/web/src/main/java/com/ibeetl/jlw/entity/TeacherOpenCourse.java
+++ b/web/src/main/java/com/ibeetl/jlw/entity/TeacherOpenCourse.java
@@ -84,10 +84,8 @@ public class TeacherOpenCourse extends BaseEntity{
     private Integer courseInfoCount;
 
     // 开课课程学时
+    //@FetchSql("select IFNULL(count(*),0) as course_hours from teacher_open_course_schedule_session_snap tocsss where tocsss.teacher_open_course_id=#teacherOpenCourseId# and tocsss.teacher_open_course_schedule_session_snap_status=1")
 
-    @FetchSql("select sum(IFNULL(t.teacher_open_course_schedule_session_tag_duration, 0)) as course_hours " +
-            "from teacher_open_course_schedule_session_snap t " +
-            "where t.teacher_open_course_id = #teacherOpenCourseId# and t.teacher_open_course_schedule_session_snap_status = 1 ")
     @UpdateIgnore
     @InsertIgnore
     private float courseHours;
diff --git a/web/src/main/resources/sql/jlw/teacherOpenCourse.md b/web/src/main/resources/sql/jlw/teacherOpenCourse.md
index 6e7b1310..e00ee5db 100644
--- a/web/src/main/resources/sql/jlw/teacherOpenCourse.md
+++ b/web/src/main/resources/sql/jlw/teacherOpenCourse.md
@@ -3,9 +3,10 @@ queryByCondition
 * 根据不为空的参数进行分页查询
   select
     @pageTag(){
-  t.*,
-  tb.teacher_id, ta.teacher_open_course_merge_teacher_auth_code
-    @}
+        t.*,
+        tb.teacher_id, ta.teacher_open_course_merge_teacher_auth_code,
+        IFNULL((select count(*) from teacher_open_course_schedule_session_snap tocsss where tocsss.teacher_open_course_id=t.teacher_open_course_id and tocsss.teacher_open_course_schedule_session_snap_status=1),0)  as course_hours
+  @}
   from teacher_open_course t
   left join teacher_open_course_merge_teacher ta on ta.teacher_open_course_id = t.teacher_open_course_id
   left join teacher tb on tb.teacher_id = ta.teacher_id and tb.teacher_status = 1