diff --git a/bellolibrary/src/main/java/me/bello/bellolibrary/Utils/DeviceUtils.java b/bellolibrary/src/main/java/me/bello/bellolibrary/Utils/DeviceUtils.java
index 7d2918a..8c7bcd5 100755
--- a/bellolibrary/src/main/java/me/bello/bellolibrary/Utils/DeviceUtils.java
+++ b/bellolibrary/src/main/java/me/bello/bellolibrary/Utils/DeviceUtils.java
@@ -1,16 +1,22 @@
 package me.bello.bellolibrary.Utils;
 
+import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.net.wifi.WifiManager;
 import android.provider.Settings;
+import android.support.annotation.NonNull;
 import android.telephony.TelephonyManager;
 import android.util.DisplayMetrics;
 import android.view.WindowManager;
 
 import me.bello.bellolibrary.Logger.Logger;
+import me.bello.bellolibrary.Permission.PermissionListener;
+import me.bello.bellolibrary.Permission.PermissionsUtil;
+
+import static android.Manifest.permission.READ_PHONE_STATE;
 
 
 /**
@@ -61,19 +67,38 @@
      * @param mContext
      * @return
      */
+    @SuppressLint("MissingPermission")
     public static String getIMEI(Context mContext) {
+//        READ_PHONE_STATE
         try {
-            TelephonyManager manager = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
-            String imei = manager.getDeviceId();
-            if (imei == null) {
+            final TelephonyManager[] manager = {(TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE)};
+            final String[] imei = {""};
+            if(PermissionsUtil.hasPermission(mContext, READ_PHONE_STATE)){
+                imei[0] = manager[0].getDeviceId();
+            } else {
+                PermissionsUtil.requestPermission(mContext, new PermissionListener() {
+                    @Override
+                    public int permissionGranted(@NonNull String[] permission) {
+                        imei[0] = manager[0].getDeviceId();
+                        return 0;
+                    }
+
+                    @Override
+                    public void permissionDenied(@NonNull String[] permission) {
+
+                    }
+                }, READ_PHONE_STATE);
+            }
+
+            if (imei[0] == null) {
                 // android pad
                 // 在主流厂商生产的设备上，有一个很经常的bug，就是每个设备都会产生相同的ANDROID_ID：9774d56d682e549c
-                imei = "PAD" + Settings.Secure.getString(mContext.getContentResolver(), Settings.Secure.ANDROID_ID);
-            } else if (imei.contains("00000000000")) {
+                imei[0] = "PAD" + Settings.Secure.getString(mContext.getContentResolver(), Settings.Secure.ANDROID_ID);
+            } else if (imei[0].contains("00000000000")) {
                 // 模拟器
-                imei = "DEV" + Settings.Secure.getString(mContext.getContentResolver(), Settings.Secure.ANDROID_ID);
+                imei[0] = "DEV" + Settings.Secure.getString(mContext.getContentResolver(), Settings.Secure.ANDROID_ID);
             }
-            return imei;
+            return imei[0];
         } catch (Exception e) {
             e.printStackTrace();
             Logger.e("获取IEMI异常");