diff --git a/dist/css/sth-select.css b/dist/css/sth-select.css
index 674bd77..1dd507e 100644
--- a/dist/css/sth-select.css
+++ b/dist/css/sth-select.css
@@ -50,6 +50,7 @@
   cursor: pointer;
   max-height: 100%;
   overflow-y: auto;
+  padding-bottom: 50px;
 }
 .sth-select-popup .sth-select-title {
   background-color: #d2d2d2;
diff --git a/src/less/_popup.less b/src/less/_popup.less
index 2f631fc..5a99d30 100644
--- a/src/less/_popup.less
+++ b/src/less/_popup.less
@@ -3,7 +3,7 @@
  *******************************/
 .sth-select-popup {
 	background-color: white;
-	
+
 	bottom: 0;
 	height: 0;
 	left: 0;
@@ -16,6 +16,7 @@
 		cursor: pointer;
 		max-height: 100%;
 		overflow-y: auto;
+		padding-bottom: 50px;
 	}
 
 	.sth-select-title {
@@ -51,4 +52,4 @@
 		height: 44px;
 		padding: 12px 15px;
 	}
-}
\ No newline at end of file
+}