diff --git a/PrinterDev.js b/PrinterDev.js
index cf7b5bb..70fdf9d 100644
--- a/PrinterDev.js
+++ b/PrinterDev.js
@@ -33,6 +33,9 @@ class PrinterDevice extends EventEmitter {
     if (chkSerial) {
       this._device = new escpos.Serial(this._serial)
       this._type = 'serial'
+      this._device.on('disconnect', () => {
+        self.emit('close')
+      })
     } else {
       this._device = new escpos.Console()
       this._type = 'console'
diff --git a/server.js b/server.js
index 0624c5d..67114d0 100644
--- a/server.js
+++ b/server.js
@@ -66,9 +66,10 @@ if (setupMode) {
   Printer.feed = config.printer.feed
   await Printer.connect()
 
-  if (config.ble.enable) {
-    require('./ble')
-  }
+  Printer.on('close', ()=>{
+    console.log('device disconnect')
+  })
+
 }
 
 if (router !== null) {
@@ -91,12 +92,6 @@ localEvent.on('print', async str => {
 })
 
 let systemStatus = {
-  ble: {
-    enable: false,
-    mac: '',
-    service: '',
-    characteristic: ''
-  },
   printer: {
     connect: false,
     serial: '',
@@ -107,13 +102,8 @@ let systemStatus = {
   secret: ''
 }
 
-systemStatus.ble.enable = config.ble.enable
 systemStatus.secret = config.api.secret
-if (config.ble.enable) {
-  systemStatus.ble.mac = await getBTAddr()
-  systemStatus.ble.service = config.ble.uuid.service
-  systemStatus.ble.characteristic = config.ble.uuid.characteristic
-}
+
 function getPrinterStatus() {
   systemStatus.printer.connect = Printer.isOpen
   systemStatus.printer.serial = Printer.serial
@@ -148,17 +138,3 @@ ws.on('connection', async (client, req) => {
     }
   })
 })
-
-async function getBTAddr() {
-  let address = await new Promise((resolve, reject) => {
-    exec('bt-adapter -i | grep -i address', (err, sout, serr) => {
-      if (err) return resolve('')
-      resolve(sout)
-    })
-  })
-
-  address = address.trim()
-  let arr = address.split(' ')
-  if (arr.length !== 2) return ''
-  return arr[1].trim()
-}
\ No newline at end of file
diff --git a/views/dashboard/statusview.ejs b/views/dashboard/statusview.ejs
index 13dfae0..3674064 100644
--- a/views/dashboard/statusview.ejs
+++ b/views/dashboard/statusview.ejs
@@ -3,7 +3,6 @@
     <div class="column sixteen wide t-right">
       <div class="ui segment">
         <button class="ui button mini" type="button" id="gen-api-qr">Generate API QR</button>
-        <button class="ui button mini" type="button" id="gen-ble-qr">Generate BLE QR</button>
         <button class="ui button mini red" type="button" id="dev-reboot">Reboot</button>
       </div>
     </div>
@@ -20,30 +19,6 @@
       </div>
     </div>
 
-    <div class="column eight wide">
-      <div class="segment ui">
-        <h4 class="ui header dividing">藍芽狀態</h4>
-        <div class="ui divided list">
-          <div class="item">
-            <div class="ui horizontal label basic">啟用狀態</div>
-            <div class="description t-right" id="en-ble">On</div>
-          </div>
-          <div class="item">
-            <div class="ui horizontal label basic">Mac Address</div>
-            <div class="description t-right" id="ble-mac"></div>
-          </div>
-          <div class="item">
-            <div class="ui horizontal label basic">ServiceUUID</div>
-            <div class="description t-right" id="ble-service"></div>
-          </div>
-          <div class="item">
-            <div class="ui horizontal label basic">CharacteristicUUID</div>
-            <div class="description t-right" id="ble-character"></div>
-          </div>
-        </div>
-      </div>
-    </div>
-
     <div class="column eight wide">
       <div class="segment ui">
         <h4 class="ui header dividing">印表機狀態</h4>
@@ -137,14 +112,6 @@
         case 'status':
           console.log(data)
           let d = data.data
-          $('#en-ble').text(d.ble.enable ? 'On' : 'Off')
-          $('#ble-mac').text(d.ble.mac)
-          $('#ble-service').text(d.ble.service)
-          $('#ble-character').text(d.ble.characteristic)
-
-          setting.mac = d.ble.mac
-          setting.service = d.ble.service
-          setting.characteristic = d.ble.characteristic
 
           apikey = d.secret
           $('#apikey').text(apikey)
@@ -163,16 +130,15 @@
 
   connectSocket()
 
-  $('#gen-ble-qr, #gen-api-qr').click(function () {
+  $('#gen-api-qr').click(function () {
     let qrdiv = document.querySelector('div#qr')
     qrdiv.innerHTML = ''
     let qr = new QRCode(qrdiv, {
-      text: this.id === 'gen-ble-qr' ? JSON.stringify(setting, null, 2) : JSON.stringify({ apikey }, null, 2),
+      text: JSON.stringify({ apikey }, null, 2),
       colorDark: "#000000",
       colorLight: "#ffffff",
       correctLevel: QRCode.CorrectLevel.L
     })
-    // qr.makeCode(JSON.stringify(setting, null, 2))
     $('#qr-dimmer').dimmer('show')
   })