diff --git a/app/src/main/java/com/xypower/mpapp/LocationUtils.java b/app/src/main/java/com/xypower/mpapp/LocationUtil.java
similarity index 99%
rename from app/src/main/java/com/xypower/mpapp/LocationUtils.java
rename to app/src/main/java/com/xypower/mpapp/LocationUtil.java
index d3d20deb..1cd7d776 100644
--- a/app/src/main/java/com/xypower/mpapp/LocationUtils.java
+++ b/app/src/main/java/com/xypower/mpapp/LocationUtil.java
@@ -22,14 +22,14 @@ import java.io.IOException;
 import java.util.List;
 import java.util.Locale;
 
-public class LocationUtils {
+public class LocationUtil {
     private static OnLocationChangeListener mListener;
 
     private static MyLocationListener myLocationListener;
 
     private static LocationManager mLocationManager;
 
-    private LocationUtils() {
+    private LocationUtil() {
         throw new UnsupportedOperationException("u can't instantiate me...");
     }
 
diff --git a/app/src/main/java/com/xypower/mpapp/MainActivity.java b/app/src/main/java/com/xypower/mpapp/MainActivity.java
index c10f3a8b..98a22d5d 100644
--- a/app/src/main/java/com/xypower/mpapp/MainActivity.java
+++ b/app/src/main/java/com/xypower/mpapp/MainActivity.java
@@ -34,7 +34,6 @@ import android.view.View;
 import android.view.WindowManager;
 import android.widget.Toast;
 
-import com.dev.devapi.api.SysApi;
 import com.dowse.camera.client.DSCameraManager;
 import com.xypower.mpapp.databinding.ActivityMainBinding;
 import com.xypower.mpapp.utils.RandomReader;
@@ -376,9 +375,9 @@ public class MainActivity extends AppCompatActivity {
             @Override
             public void onClick(View view) {
 //                startLocate();
-                boolean gpsEnabled = LocationUtils.isGpsEnabled(MainActivity.this);
+                boolean gpsEnabled = LocationUtil.isGpsEnabled(MainActivity.this);
                 System.out.printf("g" + gpsEnabled);
-                LocationUtils.register(MainActivity.this, 0, 0, new LocationUtils.OnLocationChangeListener() {
+                LocationUtil.register(MainActivity.this, 0, 0, new LocationUtil.OnLocationChangeListener() {
                     @Override
                     public void getLastKnownLocation(Location location) {
                         Log.e("xyh", "onLocationChanged: " + location.getLatitude());
@@ -392,10 +391,10 @@ public class MainActivity extends AppCompatActivity {
                         Log.e("xyh", "经度：" + location.getLongitude());
                         Log.e("xyh", "海拔：" + location.getAltitude());
                         Log.e("xyh", "时间：" + location.getTime());
-                        Log.e("xyh", "国家：" + LocationUtils.getCountryName(MainActivity.this, location.getLatitude(), location.getLongitude()));
-                        Log.e("xyh", "获取地理位置：" + LocationUtils.getAddress(MainActivity.this, location.getLatitude(), location.getLongitude()));
-                        Log.e("xyh", "所在地：" + LocationUtils.getLocality(MainActivity.this, location.getLatitude(), location.getLongitude()));
-                        Log.e("xyh", "所在街道：" + LocationUtils.getStreet(MainActivity.this, location.getLatitude(), location.getLongitude()));
+                        Log.e("xyh", "国家：" + LocationUtil.getCountryName(MainActivity.this, location.getLatitude(), location.getLongitude()));
+                        Log.e("xyh", "获取地理位置：" + LocationUtil.getAddress(MainActivity.this, location.getLatitude(), location.getLongitude()));
+                        Log.e("xyh", "所在地：" + LocationUtil.getLocality(MainActivity.this, location.getLatitude(), location.getLongitude()));
+                        Log.e("xyh", "所在街道：" + LocationUtil.getStreet(MainActivity.this, location.getLatitude(), location.getLongitude()));
 
                     }
 
@@ -791,10 +790,10 @@ public class MainActivity extends AppCompatActivity {
             Log.e("xyh", "经度：" + location.getLongitude());
             Log.e("xyh", "海拔：" + location.getAltitude());
             Log.e("xyh", "时间：" + location.getTime());
-            Log.e("xyh", "国家：" + LocationUtils.getCountryName(MainActivity.this, location.getLatitude(), location.getLongitude()));
-            Log.e("xyh", "获取地理位置：" + LocationUtils.getAddress(MainActivity.this, location.getLatitude(), location.getLongitude()));
-            Log.e("xyh", "所在地：" + LocationUtils.getLocality(MainActivity.this, location.getLatitude(), location.getLongitude()));
-            Log.e("xyh", "所在街道：" + LocationUtils.getStreet(MainActivity.this, location.getLatitude(), location.getLongitude()));
+            Log.e("xyh", "国家：" + LocationUtil.getCountryName(MainActivity.this, location.getLatitude(), location.getLongitude()));
+            Log.e("xyh", "获取地理位置：" + LocationUtil.getAddress(MainActivity.this, location.getLatitude(), location.getLongitude()));
+            Log.e("xyh", "所在地：" + LocationUtil.getLocality(MainActivity.this, location.getLatitude(), location.getLongitude()));
+            Log.e("xyh", "所在街道：" + LocationUtil.getStreet(MainActivity.this, location.getLatitude(), location.getLongitude()));
 
         }