diff --git a/css/index.css b/css/index.css
index ea73067..70e9f97 100644
--- a/css/index.css
+++ b/css/index.css
@@ -372,7 +372,6 @@
   opacity: 0;
   height: 0;
   width: 300px;
-  z-index: 2;
   flex-direction: column;
   align-items: center;
 }
diff --git a/css/index.less b/css/index.less
index 839977c..590fb87 100644
--- a/css/index.less
+++ b/css/index.less
@@ -411,7 +411,7 @@
                     opacity: 0;
                     height: 0;
                     width: 300px;
-                    z-index: 2;
+                    // z-index: 2;
                     &.show {
                         height: 180px;
                         opacity: 1;