From 9c22d9603ae67e3b8ddde6151f4c2a5174c2e203 Mon Sep 17 00:00:00 2001
From: srhb18 <srhb18@163.com>
Date: Sun, 27 Jul 2014 00:08:45 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=AF=B9pendingWorkers?=
 =?UTF-8?q?=E7=9A=84=E5=A4=84=E7=90=86=E5=89=8D=E5=88=A4=E5=AE=9A?=
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---
 src/Model.js | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/Model.js b/src/Model.js
index 7ae06f2..827e09c 100644
--- a/src/Model.js
+++ b/src/Model.js
@@ -639,13 +639,15 @@ define(
          * 销毁当前{@link Model}对象，会尝试停止所有正在加载的数据
          */
         Model.prototype.dispose = function () {
-            for (var i = 0; i < this.pendingWorkers.length; i++) {
-                var worker = this.pendingWorkers[i];
-                if (typeof worker.abort === 'function') {
-                    try {
-                        worker.abort();
-                    }
-                    catch (ex) {
+            if (this.pendingWorkers) {
+                for (var i = 0; i < this.pendingWorkers.length; i++) {
+                    var worker = this.pendingWorkers[i];
+                    if (typeof worker.abort === 'function') {
+                        try {
+                            worker.abort();
+                        }
+                        catch (ex) {
+                        }
                     }
                 }
             }