diff --git a/src/styles/components/split.less b/src/styles/components/split.less
index 3fcb5bd0..897d1edb 100644
--- a/src/styles/components/split.less
+++ b/src/styles/components/split.less
@@ -100,14 +100,14 @@
         }
     }
     &-horizontal {
-        .@{split-prefix-cls}-trigger-con {
+        >.@{split-prefix-cls}-trigger-con {
             top: 50%;
             height: 100%;
             width: 0;
         }
     }
     &-vertical {
-        .@{split-prefix-cls}-trigger-con {
+        >.@{split-prefix-cls}-trigger-con {
             left: 50%;
             height: 0;
             width: 100%;