diff --git a/src/core/wrapper/layout/adapt/float.horizontal.js b/src/core/wrapper/layout/adapt/float.horizontal.js
index 77667c0ac..529855411 100644
--- a/src/core/wrapper/layout/adapt/float.horizontal.js
+++ b/src/core/wrapper/layout/adapt/float.horizontal.js
@@ -1,5 +1,5 @@
 /**
  * 浮动的水平居中布局
  */
-BI.FloatHorizontalLayout = BI.Layout;
+BI.FloatHorizontalLayout = BI.inherit(BI.Layout);
 BI.shortcut("bi.horizontal_float", BI.FloatHorizontalLayout);
diff --git a/src/core/wrapper/layout/layout.horizontal.js b/src/core/wrapper/layout/layout.horizontal.js
index e7997c682..a2989eff3 100644
--- a/src/core/wrapper/layout/layout.horizontal.js
+++ b/src/core/wrapper/layout/layout.horizontal.js
@@ -3,5 +3,5 @@
  * @class BI.HorizontalLayout
  * @extends BI.Layout
  */
-BI.HorizontalLayout = BI.Layout;
+BI.HorizontalLayout = BI.inherit(BI.Layout);
 BI.shortcut("bi.horizontal", BI.HorizontalLayout);