The wepy Mini Program project copied a sudden error report? - Codes Helper

what is the reason, please?
Wed Sep 19 2018 11:01:21 GMT+0800 () 
VM693:2 Expect FLOW_CREATE_NODE but get another
(anonymous) @ VM693:2
VM695:1 Wed Sep 19 2018 11:01:21 GMT+0800 () 
VM695:2 webviewScriptError
Expect FLOW_CREATE_NODE but get another
Error: Expect FLOW_CREATE_NODE but get another
    at e.value (http://127.0.0.1:63523/__pageframe__/__dev__/WAWebview.js:20:28547)
    at http://127.0.0.1:63523/__pageframe__/__dev__/WAWebview.js:20:28884
    at Array.forEach (<anonymous>)
    at e.value (http://127.0.0.1:63523/__pageframe__/__dev__/WAWebview.js:20:28856)
    at http://127.0.0.1:63523/__pageframe__/__dev__/WAWebview.js:20:28884
    at Array.forEach (<anonymous>)
    at e.value (http://127.0.0.1:63523/__pageframe__/__dev__/WAWebview.js:20:28856)
    at e.value (http://127.0.0.1:63523/__pageframe__/__dev__/WAWebview.js:20:24054)
    at Function.p._advancedCreate (http://127.0.0.1:63523/__pageframe__/__dev__/WAWebview.js:6:5563)
    at l.createComponent (http://127.0.0.1:63523/__pageframe__/__dev__/WAWebview.js:6:12269)
(anonymous) @ VM695:2
VM696:1 Wed Sep 19 2018 11:01:21 GMT+0800 () 
VM696:2 Error: Expect END descriptor with depth 0 but get another
(anonymous) @ VM696:2
VM697:1 Wed Sep 19 2018 11:01:21 GMT+0800 () 
VM697:2 TypeError: Cannot read property "addListener" of undefined
    at c (:63523/__pageframe__/__dev__/WAWebview.js:21)
    at d (:63523/__pageframe__/__dev__/WAWebview.js:21)
    at :63523/__pageframe__/__dev__/WAWebview.js:21
(anonymous) @ VM697:2
VM698:1 Wed Sep 19 2018 11:01:21 GMT+0800 () 
VM698:2 webviewScriptError
Cannot read property "addListener" of undefined
TypeError: Cannot read property "addListener" of undefined
    at c (http://127.0.0.1:63523/__pageframe__/__dev__/WAWebview.js:21:23269)
    at d (http://127.0.0.1:63523/__pageframe__/__dev__/WAWebview.js:21:24566)
    at http://127.0.0.1:63523/__pageframe__/__dev__/WAWebview.js:21:31158
(anonymous) @ VM698:2
VM699:1 Wed Sep 19 2018 11:01:21 GMT+0800 () 
VM699:2 Uncaught TypeError: Cannot read property "addListener" of undefined