diff --git a/packages/editor/src/theme/component-list-panel.scss b/packages/editor/src/theme/component-list-panel.scss
index 354b3a33..4e45d4c3 100644
--- a/packages/editor/src/theme/component-list-panel.scss
+++ b/packages/editor/src/theme/component-list-panel.scss
@@ -12,6 +12,7 @@
     top: 0;
     left: 0;
     box-sizing: border-box;
+    z-index: 1;
 
     .el-input__prefix {
       padding: 10px;