diff --git a/app-dm/src/TeacherPages/Trainmanage/SendTrain.jsx b/app-dm/src/TeacherPages/Trainmanage/SendTrain.jsx
index b74c4e1..651842a 100644
--- a/app-dm/src/TeacherPages/Trainmanage/SendTrain.jsx
+++ b/app-dm/src/TeacherPages/Trainmanage/SendTrain.jsx
@@ -190,7 +190,7 @@ function SendTrain(){
                                     <input type="checkbox" className='check_box' onClick={(event)=>{
                                         if (event.target.checked) {
                                             //在选择题目集中添加选择题的ID    
-                                             setTrainChoice(items=>([
+                                             setTrainChoice(items=>([ 
                                                 ...items,
                                                 Trainquestion['choice'][key][7]
                                             ]))