From 0d61365bf7d6f292bfd9a960af03654c90b1b119 Mon Sep 17 00:00:00 2001
From: Shen Bin <bobshenbin@gmail.com>
Date: Sat, 23 Aug 2014 02:51:06 +0800
Subject: [PATCH] =?UTF-8?q?=E8=80=83=E8=99=91Model=E5=B7=B2=E9=94=80?=
 =?UTF-8?q?=E6=AF=81=E6=83=85=E5=86=B5=E4=B8=8B=E7=9A=84=E5=AE=B9=E9=94=99?=
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---
 src/Model.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Model.js b/src/Model.js
index 7c7cd68..cc9e8d9 100644
--- a/src/Model.js
+++ b/src/Model.js
@@ -209,10 +209,16 @@ define(
         /**
          * 移除一个已完成的工作对象
          *
+         * @param {Model} model 用于存放数据的`Model`对象
          * @param {meta.Promise} worker 工作对象
          * @ignore
          */
         function removePendingWorker(model, worker) {
+            // 如果pendingWorkers已经为空，直接退出
+            if (!model.pendingWorkers) {
+                return;
+            }
+
             for (var i = 0; i < model.pendingWorkers.length; i++) {
                 if (model.pendingWorkers[i] === worker) {
                     model.pendingWorkers.splice(i, 1);