facebook pixel code

#%E5%9C%96%E6%96%87%E4%B8%8D%E7%AC%A6%E4%B9%8B%E5%8F%AA%E5%A5%BD%E4%BE%86%E5%BC%B5%E7%99%82%E7%99%92%E7%85%A7%E7%89%87