message: Complete arginfo.
diff: @@ -70,6 +70,7 @@ ZEND_END_ARG_INFO()
  ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_exec, 0, 0, 1)
  ZEND_ARG_INFO(0, command)
  + ZEND_ARG_INFO(0, get_error_stream)
  ZEND_END_ARG_INFO()
  ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_sleep, 0, 0, 1)
  @@ -1366,10 +1367,11 @@ PHP_FUNCTION(swoole_coroutine_exec)
  size_t command_len;
  zend_bool get_error_stream = 0;
  - if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|b", &command, &command_len, &get_error_stream) == FAILURE)
  - {
  - RETURN_FALSE;
  - }
  + ZEND_PARSE_PARAMETERS_START(1, 2)
  + Z_PARAM_STRING(command, command_len)
  + Z_PARAM_OPTIONAL
  + Z_PARAM_BOOL(get_error_stream)
  + ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
  if (php_swoole_signal_isset_handler(SIGCHLD))
  {
  