Please check that the bridge lines you received are pasted one by one each in one single line.
请检查您收到的桥接线路是否逐一粘贴在一行中。
(text translated by DeepL)
obfs4 <IP ADDRESS>:<PORT> <FINGERPRINT> cert=<CERTIFICATE> iat-mode=0
webtunnel <IP ADDRESS:PORT> <FINGERPRINT> url=<URL>