diff --git a/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseHandsOnSimulationTasksService.java b/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseHandsOnSimulationTasksService.java
index 2fb1a698..62c33413 100644
--- a/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseHandsOnSimulationTasksService.java
+++ b/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseHandsOnSimulationTasksService.java
@@ -28,6 +28,7 @@ import org.apache.commons.lang3.StringUtils;
 import org.beetl.sql.core.SqlId;
 import org.beetl.sql.core.engine.PageQuery;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.validation.annotation.Validated;
@@ -67,6 +68,7 @@ public class TeacherOpenCourseHandsOnSimulationTasksService extends CoreBaseServ
     private TeacherOpenCourseMergeResourcesQuestionDao mergeResourcesQuestionService;
 
     @Autowired
+    @Lazy
     private StudentHandsOnTaskVideoService studentHandsOnTaskVideoService;
     @Autowired
     private StudentHandsOnTaskPptService studentHandsOnTaskPptService;