rename base.nettool to base.tool

server.js

@@ -1,6 +1,6 @@
 const fs = require('fs')
 const path = require('path')
-const nettool = require('base.nettool')
+const tool4net = require('base.tool/tool4net.js')
 const express = require('express')
 
 const wo = (global.wo = { 
@@ -84,7 +84,7 @@ if (typeof wo.envi.ssl === 'string') {
 
   /*** 启动 Web 服务 ***/
   let webServer
-  let ipv4 = nettool.getMyIp()
+  let ipv4 = tool4net.getMyIp()
   if ('http' === wo.envi.protocol) {
     let portHttp = wo.envi.port || 80
     webServer = require('http')