uni-app 对接 融云 web3.0 小程序3.x 报错

16:03:17.881 [JS Framework] Failed to execute the callback function:
16:03:17.902 ReferenceError: Can't find variable: im
16:03:18.048 reportJSException >>>> exception function:callJS, exception:JavaScript execute error!Exception: ReferenceError: Can't find variable: im
16:03:18.069 conversation
16:03:18.111 loopArr
16:03:18.132 forEach
16:03:18.153 emit
16:03:18.174 onChanged
16:03:18.216 (weex framework):2:439969
16:03:18.237 consume@(weex framework):2:1418
16:03:18.258 map@[native code]