is normal on h5, but runs on android and reports an error:
degradeToH5 | createInstance fail | wx_create_instance_errorreportJSException > instanceId:1, exception function:createInstance, exception:Exception: TypeError: undefined is not an object (evaluating "t.clearTimeout.bind")
JS layer support Timer,Promise,http & aync of traditional web? This is a basic function, why not set it in JS?