不保证这会解决您的问题，但如果您想要要禁用Nagle算法，您需要从流中获取本机套接字并调用 setsockopt 。

No guarantee this will fix your problem, but if you want to disable the Nagle algorithm, you need to get the native socket from the stream and call setsockopt.

CFDataRef nativeSocket = CFWriteStreamCopyProperty(myWriteStream, kCFStreamPropertySocketNativeHandle);
CFSocketNativeHandle *sock = (CFSocketNativeHandle *)CFDataGetBytePtr(nativeSocket);
setsockopt(*sock, IPPROTO_TCP, TCP_NODELAY, &(int){ 1 }, sizeof(int));
CFRelease(nativeSocket);

（对于复合文字技巧。）