vue.esm.js?a026:1897 TypeError: Cannot read property 'commonStyle' of undefined
    at swapZindex (element.js?4e42:44)
    at Store.elementManager (element.js?8ab7:84)
    at wrappedMutationHandler (D:\electron_demo\design\design\node_modules\vuex\dist\vuex.common.js:846)
    at commitIterator (D:\electron_demo\design\design\node_modules\vuex\dist\vuex.common.js:468)
    at Array.forEach (<anonymous>)
    at D:\electron_demo\design\design\node_modules\vuex\dist\vuex.common.js:467
    at Store._withCommit (D:\electron_demo\design\design\node_modules\vuex\dist\vuex.common.js:626)
    at Store.commit (D:\electron_demo\design\design\node_modules\vuex\dist\vuex.common.js:466)
    at Store.boundCommit [as commit] (D:\electron_demo\design\design\node_modules\vuex\dist\vuex.common.js:411)
    at local.commit (D:\electron_demo\design\design\node_modules\vuex\dist\vuex.common.js:798)