diff --git a/src/components/Tree/DataZTree/components/ZTree/index.vue b/src/components/Tree/DataZTree/components/ZTree/index.vue
index 95c3ee127..c0e9b753b 100644
--- a/src/components/Tree/DataZTree/components/ZTree/index.vue
+++ b/src/components/Tree/DataZTree/components/ZTree/index.vue
@@ -376,6 +376,7 @@ export default {
   .ztree {
     width: 100%;
     overflow: auto;
+    z-index: 1000;
     height: 648px;
     background-color: #ffffff;