Method check_url_exist

main.py:211–214

(self, chn_type: str, url: str)

            self.all_urls[chn_type] = set()

    def check_url_exist(self, chn_type: str, url: str) -> bool:
        if url in self.all_urls.get(chn_type, set()) or "127.0.0.1" in url:
            return True
        return False

    # === 全局单频道限流 ===
    def is_single_chn_limit(self, channel_name: str) -> bool: