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

fungleo

2020-07-26 ca657b048275fbac4fd13e3c26808ad20e8ea128

 ruoyi-ui/vue.config.js

@@ -117,7 +117,11 @@
                }

              }

            })

          config.optimization.runtimeChunk('single')

          config.optimization.runtimeChunk('single'),

          {

             from: path.resolve(__dirname, './public/robots.txt'),//防爬虫文件

             to:'./',//到根目录下

          }

        }

      )

  }