diff --git a/src/base/single/single.js b/src/base/single/single.js
index c4d15291d..97b2591a7 100644
--- a/src/base/single/single.js
+++ b/src/base/single/single.js
@@ -200,18 +200,6 @@ BI.Single = BI.inherit(BI.Widget, {
         return this.options.value;
     },
 
-    update: function (props, shouldUpdate) {
-        if (BI.isObject(shouldUpdate)) {
-            props = shouldUpdate;
-        }
-        if ("value" in props) {
-            this.setValue(props.value);
-        }
-        if ("text" in props) {
-            this.setText && this.setText(props.text);
-        }
-    },
-
     destroyed: function () {
         if (BI.isNotNull(this.showTimeout)) {
             clearTimeout(this.showTimeout);
diff --git a/src/core/wrapper/layout.js b/src/core/wrapper/layout.js
index 6b10e753d..871b56aeb 100644
--- a/src/core/wrapper/layout.js
+++ b/src/core/wrapper/layout.js
@@ -366,9 +366,9 @@ BI.Layout = BI.inherit(BI.Widget, {
             return child._update(this._getOptions(vnode), shouldUpdate);
         }
         if (shouldUpdate === null && !this._compare(oldVnode, vnode)) {
-            if (child.update) {
-                return child.update(this._getOptions(vnode));
-            }
+            // if (child.update) {
+            //     return child.update(this._getOptions(vnode));
+            // }
             return this.updateItemAt(index, vnode);
         }
     },