diff --git a/app/src/assets/scss/util/_function.scss b/app/src/assets/scss/util/_function.scss
index 171ae431a..344099b1a 100644
--- a/app/src/assets/scss/util/_function.scss
+++ b/app/src/assets/scss/util/_function.scss
@@ -120,7 +120,7 @@
     width: 100%;
     bottom: 0;
     align-content: center;
-    z-index: 1;
+    z-index: 3; // 需大于 database table view
     align-items: center;
 
     &--top {