diff --git a/css/index.css b/css/index.css
index 5588b6d..b5a279a 100644
--- a/css/index.css
+++ b/css/index.css
@@ -267,7 +267,7 @@
 
   /* 调整移动端注册按钮样式 - 长方形无圆角，撑满导航栏高度 */
   #index .no-login .btn.btn-normal#registBtn {
-    padding: 0 40px !important;
+    padding: 0 25px !important;
     font-size: 15px !important;
     min-width: auto !important;
     border-radius: 0 !important;