优化 index-tree.vue.vm 文件，undefined 修改为 null

fungleo

2020-07-26 ca657b048275fbac4fd13e3c26808ad20e8ea128

 ruoyi-ui/src/layout/components/Navbar.vue

@@ -94,7 +94,7 @@
        type: 'warning'

      }).then(() => {

        this.$store.dispatch('LogOut').then(() => {

          location.reload()

          location.href = '/index';

        })

      })

    }