diff --git a/style/mobile/components/sticky/_index.less b/style/mobile/components/sticky/_index.less
index e150805c72..43e91f4144 100644
--- a/style/mobile/components/sticky/_index.less
+++ b/style/mobile/components/sticky/_index.less
@@ -4,4 +4,8 @@
 
 .@{prefix}-sticky {
   position: relative;
+
+  &__content {
+    width: 100%;
+  }
 }