diff --git a/src/base/single/0.single.js b/src/base/single/0.single.js
index e12c726d1..070935e24 100644
--- a/src/base/single/0.single.js
+++ b/src/base/single/0.single.js
@@ -17,7 +17,6 @@ BI.Single = BI.inherit(BI.Widget, {
             title: null,
             warningTitle: null,
             tipType: null, // success或warning
-            value: null,
             belowMouse: false   // title是否跟随鼠标
         });
     },