diff --git a/service/src/main/resources/mybatis/mapper/sv/VenueLessonMapper.xml b/service/src/main/resources/mybatis/mapper/sv/VenueLessonMapper.xml
index 246ae90..5b7c1cd 100644
--- a/service/src/main/resources/mybatis/mapper/sv/VenueLessonMapper.xml
+++ b/service/src/main/resources/mybatis/mapper/sv/VenueLessonMapper.xml
@@ -425,9 +425,9 @@
         SELECT count(0) FROM sv_venue_lesson
         WHERE
         (
-        (<![CDATA[ start_time <= #{startTime}]]>  and end_time >= #{startTime})
+        (<![CDATA[ start_time < #{startTime}]]>  and end_time > #{startTime})
         or
-        (<![CDATA[ start_time <= #{endTime}]]> and end_time >= #{endTime})
+        (<![CDATA[ start_time < #{endTime}]]> and end_time > #{endTime})
         )
         and deleted = 0 and coach_id = #{coachId} and `date` = #{date}
         <if test="lessonId != null">