diff --git a/powerbell/build.properties b/powerbell/build.properties
index 5fd5bdb..be9dd01 100644
--- a/powerbell/build.properties
+++ b/powerbell/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Sun Dec 14 18:12:02 HKT 2025
+#Sun Dec 14 10:26:56 GMT 2025
 stageCount=5
 libraryProject=
 baseVersion=15.14
 publishVersion=15.14.4
-buildCount=0
+buildCount=1
 baseBetaVersion=15.14.5
diff --git a/powerbell/src/main/java/cc/winboll/studio/powerbell/utils/BackgroundSourceUtils.java b/powerbell/src/main/java/cc/winboll/studio/powerbell/utils/BackgroundSourceUtils.java
index 4ab4a4d..c187e1f 100644
--- a/powerbell/src/main/java/cc/winboll/studio/powerbell/utils/BackgroundSourceUtils.java
+++ b/powerbell/src/main/java/cc/winboll/studio/powerbell/utils/BackgroundSourceUtils.java
@@ -235,7 +235,7 @@ public class BackgroundSourceUtils {
 			String fileSuffix = UriUtils.getSuffixFromUri(mContext, uri);
 			LogUtils.d(TAG, String.format("createAndUpdatePreviewEnvironmentForCropping: fileSuffix = %s", fileSuffix));
             String newCropFileName = genNewCropFileName();
-            mCropSourceFile = new File(fCropCacheDir, newCropFileName + File.separator + fileSuffix);
+            mCropSourceFile = new File(fCropCacheDir, newCropFileName + "." + fileSuffix);
             mCropResultFile = new File(fCropCacheDir, "SelectCompress_" + newCropFileName + ".png");
 
             if (FileUtils.isFileExists(oldPreviewBackgroundBean.getBackgroundScaledCompressFilePath())) {