diff --git a/src/index.less b/src/index.less
index ecba53f..987b30f 100644
--- a/src/index.less
+++ b/src/index.less
@@ -633,9 +633,3 @@ textarea.ant-input {
     transform: rotate(90deg);
   }
 }
-
-:where(.css-dev-only-do-not-override-op13lp).ant-tabs
-  .ant-tabs-tab
-  + .ant-tabs-tab {
-  margin: 0 0 0 55px;
-}
diff --git a/src/pages/course/index.tsx b/src/pages/course/index.tsx
index 1b48cc9..0d58ecd 100644
--- a/src/pages/course/index.tsx
+++ b/src/pages/course/index.tsx
@@ -338,6 +338,7 @@ const CoursePage = () => {
           <Tabs
             defaultActiveKey="1"
             centered
+            tabBarGutter={55}
             items={items}
             onChange={onChange}
           />