diff --git a/app/src/main/java/com/ydd/sportfaceid/MainActivity.java b/app/src/main/java/com/ydd/sportfaceid/MainActivity.java
index 4cbf37c..32b95ae 100644
--- a/app/src/main/java/com/ydd/sportfaceid/MainActivity.java
+++ b/app/src/main/java/com/ydd/sportfaceid/MainActivity.java
@@ -77,6 +77,11 @@ public class MainActivity extends SDBaseActivity {
 		//  应该是原来的保持屏幕常亮的代码
 		getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 		order_view.setWebViewClient(new WebViewClient());
+		order_view.getSettings().setUseWideViewPort(true);
+		order_view.getSettings().setLoadWithOverviewMode(true);
+		order_view.getSettings().setBuiltInZoomControls(true);
+		order_view.getSettings().setSupportZoom(true);
+        order_view.setInitialScale(66);
 //        current_date = TimeUtil.getCurrentDate();
         refreshWebView();
 		//  启动Service
@@ -184,7 +189,7 @@ public class MainActivity extends SDBaseActivity {
 
 	private void initQrIcon() {
 		Integer venueId = SDAppConfig.getInstance().getVenueId();
-		String deviceName = DeviceIdUtil.generateDeviceId(this);
+		String deviceName = DeviceIdUtil.newGenerateDeviceName(this);
         String deviceType = SDAppConfig.getInstance().getDeviceType();
         String qrCert = deviceName + Constant.QRCODE_WORD + venueId + Constant.QRCODE_WORD + deviceType;
         if (venueId != null) {
diff --git a/app/src/main/java/com/ydd/sportfaceid/netty/ClientHandler.java b/app/src/main/java/com/ydd/sportfaceid/netty/ClientHandler.java
index 03f9299..80603dd 100644
--- a/app/src/main/java/com/ydd/sportfaceid/netty/ClientHandler.java
+++ b/app/src/main/java/com/ydd/sportfaceid/netty/ClientHandler.java
@@ -87,7 +87,7 @@ public class ClientHandler extends SimpleChannelInboundHandler<String> {
      */
     private HeartBeat getHbMessage() {
         HeartBeat hb = new HeartBeat();
-        hb.setDeviceName(DeviceIdUtil.generateDeviceId(mContext));
+        hb.setDeviceName(DeviceIdUtil.newGenerateDeviceName(mContext));
         hb.setVenueId(SDAppConfig.getInstance().getVenueId());
         hb.setDeviceType(SDAppConfig.getInstance().getDeviceType());
         return hb;
diff --git a/app/src/main/java/com/ydd/sportfaceid/utils/DeviceIdUtil.java b/app/src/main/java/com/ydd/sportfaceid/utils/DeviceIdUtil.java
index a9d0b25..4b9149d 100644
--- a/app/src/main/java/com/ydd/sportfaceid/utils/DeviceIdUtil.java
+++ b/app/src/main/java/com/ydd/sportfaceid/utils/DeviceIdUtil.java
@@ -2,6 +2,7 @@ package com.ydd.sportfaceid.utils;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
+import android.content.SharedPreferences;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import android.os.Build;
@@ -22,6 +23,10 @@ import java.util.UUID;
 
 public class DeviceIdUtil {
     static final private String INVALID_SERIAL_NUMBER = "12345678900";
+    static final private String DEVICE_NAME = "DEVICE_NAME";
+
+    private static SharedPreferences sp;
+    private static SharedPreferences.Editor spEditor;
 
     @SuppressLint("MissingPermission")
     static final public String generateDeviceId(Context context) {
@@ -51,7 +56,6 @@ public class DeviceIdUtil {
         if (!TextUtils.isEmpty(deviceId) && !Build.UNKNOWN.equals(deviceId) && !INVALID_SERIAL_NUMBER.equals(deviceId)) {
             return deviceId;
         }
-
         deviceId = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
         if (!"9774d56d682e549c".equals(deviceId) && !INVALID_SERIAL_NUMBER.equals(deviceId)
                 && !TextUtils.isEmpty(deviceId) && deviceId.length() > 6) {
@@ -103,4 +107,24 @@ public class DeviceIdUtil {
 
         return macSerial;
     }
+
+    /**
+     * 兼容版本从SP中获取
+     * @param context
+     * @return
+     */
+    static final public String newGenerateDeviceName(Context context) {
+        String deviceName = "";
+        if (sp == null) {
+            sp = context.getSharedPreferences(DEVICE_NAME, Context.MODE_PRIVATE);
+            spEditor = sp.edit();
+            deviceName = UUID.randomUUID().toString().replace("-", "");
+            spEditor.putString(DEVICE_NAME,deviceName);
+            spEditor.commit();
+        }else {
+            deviceName = sp.getString(DEVICE_NAME,"ERROR_DEVICE_NAME");
+        }
+        return deviceName;
+    }
+
 }