diff --git a/powerbell/build.properties b/powerbell/build.properties
index cc3b3f7..7dae855 100644
--- a/powerbell/build.properties
+++ b/powerbell/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Sun Dec 21 11:22:23 HKT 2025
+#Sun Dec 21 05:35:44 GMT 2025
 stageCount=15
 libraryProject=
 baseVersion=15.14
 publishVersion=15.14.14
-buildCount=0
+buildCount=6
 baseBetaVersion=15.14.15
diff --git a/powerbell/src/main/java/cc/winboll/studio/powerbell/activities/BackgroundSettingsActivity.java b/powerbell/src/main/java/cc/winboll/studio/powerbell/activities/BackgroundSettingsActivity.java
index d1d5957..44aae1c 100644
--- a/powerbell/src/main/java/cc/winboll/studio/powerbell/activities/BackgroundSettingsActivity.java
+++ b/powerbell/src/main/java/cc/winboll/studio/powerbell/activities/BackgroundSettingsActivity.java
@@ -6,7 +6,6 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -24,10 +23,10 @@ import androidx.core.content.ContextCompat;
 import androidx.core.content.FileProvider;
 import cc.winboll.studio.libappbase.LogUtils;
 import cc.winboll.studio.libappbase.ToastUtils;
-import cc.winboll.studio.powerbell.App;
 import cc.winboll.studio.powerbell.R;
 import cc.winboll.studio.powerbell.dialogs.BackgroundPicturePreviewDialog;
 import cc.winboll.studio.powerbell.dialogs.ColorPaletteDialog;
+import cc.winboll.studio.powerbell.dialogs.NetworkBackgroundDialog;
 import cc.winboll.studio.powerbell.dialogs.YesNoAlertDialog;
 import cc.winboll.studio.powerbell.models.BackgroundBean;
 import cc.winboll.studio.powerbell.utils.BackgroundSourceUtils;
@@ -37,8 +36,6 @@ import cc.winboll.studio.powerbell.utils.ImageCropUtils;
 import cc.winboll.studio.powerbell.utils.UriUtils;
 import cc.winboll.studio.powerbell.views.BackgroundView;
 import java.io.File;
-import java.io.IOException;
-import cc.winboll.studio.powerbell.dialogs.NetworkBackgroundDialog;
 
 public class BackgroundSettingsActivity extends WinBoLLActivity {
 
@@ -432,64 +429,6 @@ public class BackgroundSettingsActivity extends WinBoLLActivity {
 			}, 200);
     }
 
-    /**
-     * 解析裁剪临时文件为 Bitmap，带采样率优化
-     * @param cropTempFile 裁剪临时文件
-     * @return 解析后的Bitmap，失败返回null
-     */
-    private Bitmap parseCropTempFileToBitmap(File cropTempFile) {
-        LogUtils.d(TAG, "【工具方法】解析裁剪文件：" + (cropTempFile != null ? cropTempFile.getAbsolutePath() : "null"));
-        if (cropTempFile == null || !cropTempFile.exists() || !cropTempFile.isFile() || cropTempFile.length() <= 100) {
-            LogUtils.e(TAG, "【Bitmap解析】文件无效");
-            return null;
-        }
-
-        // 计算采样率
-        BitmapFactory.Options options = new BitmapFactory.Options();
-        options.inJustDecodeBounds = true;
-        BitmapFactory.decodeFile(cropTempFile.getAbsolutePath(), options);
-
-        int sampleSize = calculateSampleSize(options.outWidth, options.outHeight);
-        LogUtils.d(TAG, "【Bitmap解析】采样率：" + sampleSize);
-
-        // 解析Bitmap
-        options.inJustDecodeBounds = false;
-        options.inSampleSize = sampleSize;
-        options.inPreferredConfig = Bitmap.Config.RGB_565;
-        options.inPurgeable = true;
-        options.inInputShareable = true;
-
-        try {
-            Bitmap cropBitmap = BitmapFactory.decodeFile(cropTempFile.getAbsolutePath(), options);
-            if (!isBitmapValid(cropBitmap)) {
-                LogUtils.e(TAG, "【Bitmap解析】解析失败");
-                return null;
-            }
-            LogUtils.d(TAG, "【Bitmap解析】成功，尺寸：" + cropBitmap.getWidth() + "x" + cropBitmap.getHeight());
-            return cropBitmap;
-        } catch (OutOfMemoryError e) {
-            LogUtils.e(TAG, "【Bitmap解析】OOM异常");
-            return null;
-        } catch (Exception e) {
-            LogUtils.e(TAG, "【Bitmap解析】异常：" + e.getMessage());
-            return null;
-        }
-    }
-
-    /**
-     * 计算Bitmap采样率
-     * @param width 图片宽度
-     * @param height 图片高度
-     * @return 采样率
-     */
-    private int calculateSampleSize(int width, int height) {
-        int sampleSize = 1;
-        while (width / sampleSize > BITMAP_MAX_SIZE || height / sampleSize > BITMAP_MAX_SIZE) {
-            sampleSize *= 2;
-        }
-        return Math.min(sampleSize, BITMAP_MAX_SAMPLE_SIZE);
-    }
-
     // ====================== 业务逻辑方法（按功能分类）======================
     /**
      * 初始化核心组件（工具类+视图）
@@ -550,11 +489,13 @@ public class BackgroundSettingsActivity extends WinBoLLActivity {
      * 显示分享图片预览对话框
      */
     private void showSharePreviewDialog() {
+		LogUtils.d(TAG, "showSharePreviewDialog()");
         BackgroundPicturePreviewDialog dlg = new BackgroundPicturePreviewDialog(this, new BackgroundPicturePreviewDialog.IOnRecivedPictureListener() {
 				@Override
 				public void onAcceptRecivedPicture(Uri uriRecivedPicture) {
-					ToastUtils.show("已接收图片：" + uriRecivedPicture);
-					LogUtils.d(TAG, "【分享处理】接收图片Uri：" + uriRecivedPicture);
+					if (putUriFileToPreviewSource(uriRecivedPicture)) {
+						startImageCrop(false);
+					}
 				}
 			});
         dlg.show();
@@ -567,17 +508,14 @@ public class BackgroundSettingsActivity extends WinBoLLActivity {
      * @return 是图片返回true，否则false
      */
     private boolean isImageType(String mimeType) {
-        if (mimeType == null) {
-            return false;
-        }
-        String lowerMimeType = mimeType.toLowerCase();
-        return lowerMimeType.equals("image/jpeg")
-			|| lowerMimeType.equals("image/png")
-			|| lowerMimeType.equals("image/tiff")
-			|| lowerMimeType.equals("image/jpg")
-			|| lowerMimeType.equals("image/svg+xml");
-    }
-
+		if (mimeType == null) {
+			return false;
+		}
+		String lowerMimeType = mimeType.toLowerCase();
+		LogUtils.d("isImageType", "mimeType: " + mimeType + ", lowerMimeType: " + lowerMimeType);
+		return lowerMimeType.startsWith("image/");
+	}
+	
     /**
      * 启动图片选择器
      */