fix: use correct host in tip after the server has started (#130)

lib/dev.js

@@ -73,6 +73,7 @@ module.exports = async function dev (sourceDir, cliOptions = {}) {
   }
 
   const compiler = webpack(config)
+  const host = cliOptions.host || options.siteConfig.host || '0.0.0.0'
   portfinder.basePort = cliOptions.port || options.siteConfig.port || 8080
   const port = await portfinder.getPortPromise()
 
@@ -82,7 +83,7 @@ module.exports = async function dev (sourceDir, cliOptions = {}) {
       isFirst = false
       console.log(
         `\n  VuePress dev server listening at ${
-          chalk.cyan(`http://localhost:${port}${options.publicPath}`)
+          chalk.cyan(`http://${host}:${port}${options.publicPath}`)
         }\n`
       )
     } else {
@@ -97,7 +98,7 @@ module.exports = async function dev (sourceDir, cliOptions = {}) {
     // in cwd it would break the server
     content: [nonExistentDir],
     compiler,
-    host: cliOptions.host || options.siteConfig.host || '0.0.0.0',
+    host,
     dev: { logLevel: 'warn' },
     hot: { logLevel: 'error' },
     logLevel: 'error',