diff --git a/frontend/src/views/teachOffice/shiftSemester/ClassTeamSelectDialog.vue b/frontend/src/views/teachOffice/shiftSemester/ClassTeamSelectDialog.vue
index d1ba5cd57..f959b89ed 100644
--- a/frontend/src/views/teachOffice/shiftSemester/ClassTeamSelectDialog.vue
+++ b/frontend/src/views/teachOffice/shiftSemester/ClassTeamSelectDialog.vue
@@ -4,6 +4,7 @@
     :title="title"
     width="900px"
     top="8vh"
+    append-to-body
     :close-on-click-modal="false"
     class="team-select-dialog"
     @update:visible="val => dialogVisible = val"