diff --git a/components/auto-complete/demo/uncertain-category.md b/components/auto-complete/demo/uncertain-category.md
index 3fd43f86e9..47396a37b6 100644
--- a/components/auto-complete/demo/uncertain-category.md
+++ b/components/auto-complete/demo/uncertain-category.md
@@ -106,7 +106,6 @@ ReactDOM.render(<Complete />, mountNode);
 
 .global-search.ant-select-auto-complete .ant-input {
   height: 40px;
-  padding: 11px 12px;
 }
 
 .global-search.ant-select-auto-complete .ant-select-selection__placeholder {
diff --git a/components/auto-complete/style/index.less b/components/auto-complete/style/index.less
index 529c1e6e86..21c346b7eb 100644
--- a/components/auto-complete/style/index.less
+++ b/components/auto-complete/style/index.less
@@ -55,7 +55,7 @@
     }
 
     .@{input-prefix-cls} {
-      border: @border-width-base @border-style-base @border-color-base;
+      padding-left: 6px;
       &:focus,
       &:hover {
         .hover;
diff --git a/components/select/style/index.less b/components/select/style/index.less
index 3baa2f68af..321adef655 100644
--- a/components/select/style/index.less
+++ b/components/select/style/index.less
@@ -351,6 +351,9 @@
   }
 
   &-combobox {
+    .@{select-prefix-cls}-selection__rendered {
+       margin-left: 6px;
+    }
     .@{select-prefix-cls}-arrow {
       display: none;
     }
@@ -422,20 +425,20 @@
       padding: 0;
 
       > .@{select-prefix-cls}-dropdown-menu-item {
-        padding-left: 24px;
+        padding-left: 15px;
       }
     }
 
     &-item-group-title {
       color: @text-color-secondary;
       line-height: 1.5;
-      padding: 8px 16px;
+      padding: 8px 7px;
     }
 
     &-item {
       position: relative;
       display: block;
-      padding: 7px 16px;
+      padding: 7px;
       font-weight: normal;
       color: @text-color;
       white-space: nowrap;