message: Fixed: fix type-limits error
diff: @@ -67,7 +67,7 @@ int Protocol::recv_split_by_eof(network::Socket *socket, String *buffer) {
  int retval;
  - size_t n = buffer->split(package_eof, package_eof_len, [&](const char *data, size_t length) -> int {
  + ssize_t n = buffer->split(package_eof, package_eof_len, [&](const char *data, size_t length) -> int {
  if (onPackage(this, socket, data, length) < 0) {
  retval = SW_CLOSE;
  return false;
  