diff --git a/src/picker/index.less b/src/picker/index.less
index b5ac22073..07d5a172b 100644
--- a/src/picker/index.less
+++ b/src/picker/index.less
@@ -54,7 +54,7 @@
     right: 0;
     bottom: 0;
     left: 0;
-    z-index: 2;
+    z-index: 3;
     display: flex;
     align-items: center;
     justify-content: center;
@@ -67,7 +67,7 @@
     top: 50%;
     right: @padding-md;
     left: @padding-md;
-    z-index: 3;
+    z-index: 2;
     transform: translateY(-50%);
     pointer-events: none;
   }
@@ -76,7 +76,7 @@
     position: absolute;
     top: 0;
     left: 0;
-    z-index: 2;
+    z-index: 1;
     width: 100%;
     height: 100%;
     background-image: linear-gradient(