1.修改iOS文件上传组件提示消息。

common/upload/RAUploadOperation.m

@@ -146,7 +146,7 @@ static const NSTimeInterval waitTimeIntervalDelta = 60 * 3;
                 block_task[@"status"]=[NSNumber numberWithInt:TaskStatusWait];
                 block_task[@"progress"]=[NSNumber numberWithDouble:0.0];
                 
-                block_task[@"msg"]=result[@"connection lost, retry..."];
+                block_task[@"msg"]= @"connection lost, retry...";
                 
                 RAUploadOperation* operation = [[RAUploadOperation alloc] initWithTaskinfo:block_task retry:_maxRetry];
                 operation.updateUI= weakself.updateUI;