diff options
| -rw-r--r-- | example/mac/macExample/macExample/MCTMsgViewController.m | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/example/mac/macExample/macExample/MCTMsgViewController.m b/example/mac/macExample/macExample/MCTMsgViewController.m index adfa009c..e0205867 100644 --- a/example/mac/macExample/macExample/MCTMsgViewController.m +++ b/example/mac/macExample/macExample/MCTMsgViewController.m @@ -186,7 +186,9 @@ typedef void (^DownloadCallback)(NSError * error); [op setProgress:^(unsigned int current, unsigned int maximum) { NSLog(@"progress content: %u/%u", current, maximum); }]; - [_ops addObject:op]; + if (op != nil) { + [_ops addObject:op]; + } if (downloadFinished != NULL) { NSMutableArray * blocks; blocks = [_callbacks objectForKey:partUniqueID]; |