修改弹窗高度

src/components/subjectAndClassChooseDialog/SubjectAndClassChooseDialog.vue

@@ -278,6 +278,7 @@ onMounted( async()=>{
 
     :deep(.el-dialog__body){
         min-height: 450px !important;
+        max-height: 450px !important;
         padding:20px;
     }