diff --git a/css/index.css b/css/index.css
index 1596be0..d1f8d64 100644
--- a/css/index.css
+++ b/css/index.css
@@ -354,7 +354,7 @@
   width: 31px;
   position: absolute;
   top: 50%;
-  right: -19px;
+  right: -15.5px;
   z-index: 1;
   transform: translateY(-50%);
 }
diff --git a/css/index.less b/css/index.less
index a18ba13..1eb7327 100644
--- a/css/index.less
+++ b/css/index.less
@@ -394,7 +394,7 @@
                         // height: 38px;
                         position: absolute;
                         top: 50%;
-                        right: -19px;
+                        right: -15.5px;
                         z-index: 1;
                         transform: translateY(-50%);
                     }