diff --git a/packages/abc/st/style/index.less b/packages/abc/st/style/index.less
index 89edc93d5..299cac3e5 100644
--- a/packages/abc/st/style/index.less
+++ b/packages/abc/st/style/index.less
@@ -21,9 +21,13 @@
   // 修复按钮block
   &__btn {
     &-sub {
+      .@{ant-prefix}-menu-title-content {
+        width: 100%;
+      }
       @{st-prefix}__btn-text {
         width: 100%;
         color: inherit;
+        display: block;
       }
     }