src/Leevel/Seccode/Seccode.php
protected function normalizeHeight(): int
    {
        if ($this->option['height'] < static::MIN_HEIGHT) {
            return static::MIN_HEIGHT;
        }

        if ($this->option['height'] > static::MAX_HEIGHT) {
            return static::MAX_HEIGHT;
        }

        return $this->option['height'];
    }
protected function normalizeHeight(): int
    {
        if ($this->option['height'] < static::MIN_HEIGHT) {
            return static::MIN_HEIGHT;
        }

        if ($this->option['height'] > static::MAX_HEIGHT) {
            return static::MAX_HEIGHT;
        }

        return $this->option['height'];
    }
返回高度.

@return int