diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index a119d03..00aede0 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -8,7 +8,6 @@
     
     <!-- 位置权限 -->
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
-    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     
     <!-- 硬件功能声明 -->
     <uses-feature android:name="android.hardware.camera" android:required="true" />
@@ -20,7 +19,6 @@
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/Theme.LogCam"
-        android:requestLegacyExternalStorage="true"
         tools:targetApi="q">
         <activity
             android:name=".MainActivity"
diff --git a/app/src/main/java/com/example/app/CameraActivity.kt b/app/src/main/java/com/example/app/CameraActivity.kt
index 5899367..73844ab 100644
--- a/app/src/main/java/com/example/app/CameraActivity.kt
+++ b/app/src/main/java/com/example/app/CameraActivity.kt
@@ -1,8 +1,8 @@
 package com.example.app
 
 import android.Manifest
-import android.annotation.SuppressLint
 import android.content.ContentValues
+import android.content.SharedPreferences
 import android.content.pm.PackageManager
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
@@ -10,12 +10,9 @@ import android.graphics.Canvas
 import android.graphics.Color
 import android.graphics.Paint
 import android.graphics.Typeface
-import android.location.Geocoder
-import android.location.Location
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
-import android.os.Looper
 import android.provider.MediaStore
 import android.util.Log
 import android.widget.*
@@ -28,8 +25,6 @@ import androidx.camera.lifecycle.ProcessCameraProvider
 import androidx.camera.view.PreviewView
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
-import com.google.android.material.snackbar.Snackbar
-import java.io.ByteArrayOutputStream
 import java.io.File
 import java.io.IOException
 import java.io.OutputStream
@@ -77,8 +72,6 @@ class CameraActivity : AppCompatActivity() {
         // 请求权限
         if (allPermissionsGranted()) {
             startCamera()
-            // 初始化位置管理器
-            initLocationManager()
         } else {
             ActivityCompat.requestPermissions(
                 this, REQUIRED_PERMISSIONS, REQUEST_CODE_PERMISSIONS
@@ -92,31 +85,6 @@ class CameraActivity : AppCompatActivity() {
         // 初始化线程池
         cameraExecutor = Executors.newSingleThreadExecutor()
     }
-    
-    private fun initLocationManager() {
-        locationManagerHelper = LocationManagerHelper(this)
-        // 尝试获取最后已知位置
-        locationManagerHelper?.getLastKnownLocation { location ->
-            this.currentLocation = location
-        }
-        
-        // 开始实时位置更新
-        locationManagerHelper?.requestLocationUpdates { location ->
-            this.currentLocation = location
-        }
-    }
-    
-    @SuppressLint("MissingPermission")
-    private fun getCurrentLocation(): Location? {
-        return currentLocation
-    }
-    
-    override fun onDestroy() {
-        super.onDestroy()
-        // 停止位置更新
-        locationManagerHelper?.stopLocationUpdates()
-        cameraExecutor.shutdown()
-    }
 
     private fun allPermissionsGranted() = REQUIRED_PERMISSIONS.all {
         ContextCompat.checkSelfPermission(baseContext, it) == PackageManager.PERMISSION_GRANTED