client1.html中报错

[ech678]

Uncaught (in promise) AgoraRTCException: AgoraRTCError INVALID_PARAMS: Invalid token: . If you don not use token, set it to null
at PB.join (http://127.0.0.1:5500/AgoraRTC_N-4.20.2.js:7:556082)
at HTMLButtonElement.startBasicLive (http://127.0.0.1:5500/client1.js:31:34)
join @ AgoraRTC_N-4.20.2.js:7
startBasicLive @ client1.js:31
AgoraRTC_N-4.20.2.js:7 Uncaught (in promise) AgoraRTCException: AgoraRTCError INVALID_OPERATION: rtc mode can not use setClientRole
at PB.setClientRole (http://127.0.0.1:5500/AgoraRTC_N-4.20.2.js:7:588781)
at n.value (http://127.0.0.1:5500/AgoraRTC_N-4.20.2.js:5:218025)
at HTMLButtonElement.startBasicLive (http://127.0.0.1:5500/client1.js:28:16)