diff --git a/components/table/style/size.less b/components/table/style/size.less
index 6264330462..d0d4da2c74 100644
--- a/components/table/style/size.less
+++ b/components/table/style/size.less
@@ -18,6 +18,10 @@
       }
     }
   }
+
+  tr.@{table-prefix-cls}-expanded-row .@{table-prefix-cls}-wrapper {
+    margin: -@table-padding-vertical*3/4 -@table-padding-horizontal -@table-padding-vertical*3/4 - 1px;
+  }
 }
 
 .@{table-prefix-cls}-small {
@@ -125,4 +129,8 @@
       border-right: @border-width-base @border-style-base @border-color-split;
     }
   }
+
+  tr.@{table-prefix-cls}-expanded-row .@{table-prefix-cls}-wrapper {
+    margin: -@table-padding-vertical/2 -@table-padding-horizontal -@table-padding-vertical/2 - 1px;
+  }
 }