diff --git a/src/views/tool/gen/index.vue b/src/views/tool/gen/index.vue
index d8d6bcc..c180db2 100644
--- a/src/views/tool/gen/index.vue
+++ b/src/views/tool/gen/index.vue
@@ -186,6 +186,7 @@
       v-model="preview.open"
       width="80%"
       top="5vh"
+      destroy-on-close
       append-to-body
       class="scrollbar"
     >