使用fs库时抛错，re-evaluating native module sources is not supported

node.js 版本：v6.2.0 fs版本： +-- fs@0.0.2 extraneous `-- graceful-fs@4.1.4 extraneous 错误信息： (node:7844) fs: re-evaluating native module sources is not supported. If you are using the graceful-fs module, please update it to a more recent version.