def insertDomain(self, domain, indegree=0, outdegree=0):
		'''增加一个域名'''
		cur = self.conn.cursor()
		cur.execute("INSERT INTO Domains VALUES (NULL,?,?,?)", (domain, indegree, outdegree))
		# 写入到文件中
		self.conn.commit()
def decode(value):
    if isinstance(value, bytes):
        value = value.decode(errors="surrogateescape")

    for char in ("\\", "\n", "\t"):
        value = value.replace(
            char.encode(encoding="unicode-escape").decode(), char
        )

    return value