明明已经安装了instantclient ，并且设置了path路径 但是还是出错

报错如下：
E:\Dormsys\update_stu_info\node_modules\oracledb\lib\oracledb.js:65
      throw new Error(nodbUtil.getErrorMessage('NJS-045', nodeInfo));
      ^

Error: NJS-045: cannot load the oracledb add-on binary for Node.js 8.11.2 (win32, x64)
Node.js require() error was: 
  DPI-1047: 64-bit Oracle Client library cannot be loaded: "The specified module could not be found". See https://oracle.github.io/odpi/doc/installation.html#windows for help
Node.js require() mapped to E:\Dormsys\update_stu_info\node_modules\oracledb\build\Release\oracledb.node
Node-oracledb installation instructions: https://oracle.github.io/node-oracledb/INSTALL.html
You must have 64-bit Oracle client libraries in your PATH environment variable.
If you do not have Oracle Database on this computer, then install the Instant Client Basic or Basic Light package from
http://www.oracle.com/technetwork/topics/winx64soft-089540.html
A Microsoft Visual Studio Redistributable suitable for your Oracle client library version must be available.

    at Object.<anonymous> (E:\Dormsys\update_stu_info\node_modules\oracledb\lib\oracledb.js:65:13)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)
    at Module.require (module.js:596:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (E:\Dormsys\update_stu_info\node_modules\oracledb\index.js:1:80)
    at Module._compile (module.js:652:30)
[Finished in 0.4s]