diff --git a/app/src/main/java/com/mogo/cloud/util/Utils.java b/app/src/main/java/com/mogo/cloud/util/Utils.java
new file mode 100644
index 0000000..ab7f270
--- /dev/null
+++ b/app/src/main/java/com/mogo/cloud/util/Utils.java
@@ -0,0 +1,87 @@
+package com.mogo.cloud.util;
+
+import android.Manifest;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.telephony.CellLocation;
+import android.telephony.TelephonyManager;
+import android.telephony.cdma.CdmaCellLocation;
+import android.telephony.gsm.GsmCellLocation;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+/**
+ * Created by congtaowang on 2018/3/29.
+ */
+
+public class Utils {
+
+    public static String getCellId( Context context ) {
+        TelephonyManager tm = ( TelephonyManager ) context.getSystemService( Context.TELEPHONY_SERVICE );
+        if ( tm == null ) {
+            return "";
+        }
+
+        PackageManager pm = context.getPackageManager();
+        boolean accessCoarseLocationPermission = ( PackageManager.PERMISSION_GRANTED ==
+                pm.checkPermission( Manifest.permission.ACCESS_COARSE_LOCATION, context.getPackageName() ) );
+        boolean accessFineLocationPermission = ( PackageManager.PERMISSION_GRANTED ==
+                pm.checkPermission( Manifest.permission.ACCESS_FINE_LOCATION, context.getPackageName() ) );
+        if ( !accessCoarseLocationPermission || !accessFineLocationPermission )
+            return "noPermission";
+
+        CellLocation location = null;
+        try {
+            location = tm.getCellLocation();
+        } catch ( Exception e ) {
+            e.printStackTrace();
+        }
+        if ( location != null ) {
+            // Gsm网络 , 联通移动的网络属于这一套
+            if ( location instanceof GsmCellLocation ) {
+                GsmCellLocation gsmLoc = ( GsmCellLocation ) location;
+                int cellid = gsmLoc.getCid();
+                return String.valueOf( cellid );
+                // Cdma网络 , 电信网络属于这一种
+            } else if ( location instanceof CdmaCellLocation ) {
+                CdmaCellLocation cdmaLoc = ( CdmaCellLocation ) location;
+                return String.valueOf( cdmaLoc.getBaseStationId() );
+            }
+        }
+        return "";
+    }
+
+
+    public static final String GET = "get";
+    public static final String GSM_SERIAL = "gsm.serial";
+    public static final String BYD_SERIAL = "ro.serialno";
+    public static final String FOTA_VERSION = "ro.fota.version";
+    public static final String PROPERTIES = "android.os.SystemProperties";
+
+    public static String getSn() {
+        return getSystemProperties( GSM_SERIAL );
+    }
+
+    public static String getFotaVersion() {
+        return getSystemProperties( FOTA_VERSION );
+    }
+
+    public static String getSystemProperties( String name ) {
+        String value = "";
+        try {
+            Class< ? > c = Class.forName( PROPERTIES );
+            Method get = c.getMethod( GET, String.class );
+            value = ( String ) get.invoke( c, name );
+        } catch ( ClassNotFoundException var3 ) {
+            var3.printStackTrace();
+        } catch ( NoSuchMethodException var4 ) {
+            var4.printStackTrace();
+        } catch ( InvocationTargetException var5 ) {
+            var5.printStackTrace();
+        } catch ( IllegalAccessException var6 ) {
+            var6.printStackTrace();
+        }
+        return value;
+    }
+}