将 NSTimer 改成 [NSMachPort port] 是否更好

[JerseyBro]

@implementation DWURunLoopWorkDistribution
- (instancetype)init
{
    if ((self = [super init])) {
        _maximumQueueLength = 30;
        _tasks = [NSMutableArray array];
        _tasksKeys = [NSMutableArray array];
//        _timer = [NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(_timerFiredMethod:) userInfo:nil repeats:YES];
         // 如果不加延迟会导致启动黑屏,  可能是由于启动 App 时, 无法正常 Mode 切换的原因;
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.01 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            NSRunLoop* runLoop = [NSRunLoop currentRunLoop];
            [runLoop addPort:[NSMachPort port] forMode:NSDefaultRunLoopMode];
            [runLoop run];
        });

    }
    return self;
}