diff --git a/powerbell/build.properties b/powerbell/build.properties
index 145dc43..d584d15 100644
--- a/powerbell/build.properties
+++ b/powerbell/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Mon Mar 31 20:11:58 HKT 2025
+#Mon Apr 14 12:57:01 GMT 2025
 stageCount=3
 libraryProject=
 baseVersion=15.2
 publishVersion=15.2.2
-buildCount=0
+buildCount=3
 baseBetaVersion=15.2.3
diff --git a/powerbell/src/main/java/cc/winboll/studio/powerbell/App.java b/powerbell/src/main/java/cc/winboll/studio/powerbell/App.java
index cebba11..6e2c6a9 100644
--- a/powerbell/src/main/java/cc/winboll/studio/powerbell/App.java
+++ b/powerbell/src/main/java/cc/winboll/studio/powerbell/App.java
@@ -7,6 +7,7 @@ import cc.winboll.studio.powerbell.receivers.GlobalApplicationReceiver;
 import cc.winboll.studio.powerbell.utils.AppCacheUtils;
 import cc.winboll.studio.powerbell.utils.AppConfigUtils;
 import com.hjq.toast.ToastUtils;
+import java.io.File;
 
 public class App extends GlobalApplication {
 
@@ -16,11 +17,24 @@ public class App extends GlobalApplication {
     static AppConfigUtils _mAppConfigUtils;
     static AppCacheUtils _mAppCacheUtils;
     GlobalApplicationReceiver mReceiver;
+    static String szTempDir = "";
+    
+    public static String getTempDirPath() {
+        return szTempDir;
+    }
 
     @Override
     public void onCreate() {
         super.onCreate();
         
+        // 初始化临时文件夹目录
+        File fTempDir = new File(getExternalCacheDir(), "TempDir");
+        if(!fTempDir.exists()) {
+            fTempDir.mkdirs();
+        }
+        szTempDir = fTempDir.getAbsolutePath();
+        
+        
         // 初始化 Toast 框架
         ToastUtils.init(this);
         // 设置 Toast 布局样式
diff --git a/powerbell/src/main/java/cc/winboll/studio/powerbell/activities/BackgroundPictureActivity.java b/powerbell/src/main/java/cc/winboll/studio/powerbell/activities/BackgroundPictureActivity.java
index aceea9f..e3f04d0 100644
--- a/powerbell/src/main/java/cc/winboll/studio/powerbell/activities/BackgroundPictureActivity.java
+++ b/powerbell/src/main/java/cc/winboll/studio/powerbell/activities/BackgroundPictureActivity.java
@@ -7,7 +7,6 @@ import android.graphics.Bitmap;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
-import android.os.Environment;
 import android.provider.MediaStore;
 import android.view.View;
 import android.widget.ImageView;
@@ -15,6 +14,7 @@ import android.widget.Toast;
 import cc.winboll.studio.libaes.views.AToolbar;
 import cc.winboll.studio.libappbase.LogUtils;
 import cc.winboll.studio.libappbase.utils.ToastUtils;
+import cc.winboll.studio.powerbell.App;
 import cc.winboll.studio.powerbell.R;
 import cc.winboll.studio.powerbell.activities.BackgroundPictureActivity;
 import cc.winboll.studio.powerbell.beans.BackgroundPictureBean;
@@ -70,7 +70,8 @@ implements BackgroundPicturePreviewDialog.IOnRecivedPictureListener {
         if (!mfBackgroundDir.exists()) {
             mfBackgroundDir.mkdirs();
         }
-        mfPictureDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), getString(R.string.app_projectname));
+        //mfPictureDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), getString(R.string.app_projectname));
+        mfPictureDir = new File(App.getTempDirPath());
         if (!mfPictureDir.exists()) {
             mfPictureDir.mkdirs();
         }