wx.getSetting这个api调用的时候，出现了这个错误，有谁知道是怎么回事？ 

thirdScriptError

wx.getSetting is not a function;at "pages/cus/share" page shareTimeline function

TypeError: wx.getSetting is not a function

    at e.shareTimeline (X5JavaBridge:216:970)

    at e. (X5JavaBridge:7:3512)

    at e.a (X5JavaBridge:6:30315)

    at I (X5JavaBridge:6:26562)

    at . (X5JavaBridge:6:27797)

    at X5JavaBridge:6:31814

    at X5JavaBridge:4:7982

    at e.(anonymous function) (X5JavaBridge:4:19226)

    at Object._ (X5JavaBridge:3:5399)

    at X5JavaBridge:1:57