NEZ-1505 fix:修改由于未设置默认时间格式 导致时间选择器不显示的问题

nezha-fronted/src/store/user.js

@@ -76,7 +76,7 @@ const user = {
       localStorage.setItem('nz-unnsaved-change', res.data.unsavedChange)
       localStorage.setItem('nz-mfa-enable', Number(res.data.mfaAuthEnable) ? 1 : 0)
       store.commit('setLanguage', res.data.user.lang || defaultAppearance.language)
-      store.commit('setTimeFormatMain', localStorage.getItem('nz-default-dateFormat'))
+      store.commit('setTimeFormatMain', localStorage.getItem('nz-default-dateFormat') || 'YYYY-MM-DD HH:mm:ss')
       post('/sys/user/permissions', { token: res.data.token }).then(res => {
         const menuList = sortByOrderNum(res.data.menus)
         localStorage.setItem('nz-user-permissions', JSON.stringify(res.data.buttons))