在firefox中执行时遇到此问题
console.error: BroadcastService:
receivedBroadcastMessage: handler for
remote-settings/monitor_changes
threw error:
Message: Error: Polling for changes failed: http://%(server)s/dummy/blocklist//buckets/monitor/collections/changes/records?_expected=%221559138175738%22 is not a valid URL..
Stack:
remoteSettingsFunction/remoteSettings.pollChanges@resource://services-settings/remote-settings.js:203:13