diff --git a/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.java b/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.java
index 28123f1b5..12576cd2c 100755
--- a/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.java
+++ b/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.java
@@ -1186,7 +1186,15 @@ public class GalleryDetailScene extends BaseScene implements View.OnClickListene
         } else if (mDownload == v) {
             GalleryInfo galleryInfo = getGalleryInfo();
             if (galleryInfo != null) {
-                CommonOperations.startDownload(activity, galleryInfo, false);
+                if (EhApplication.getDownloadManager(context).getDownloadState(galleryInfo.gid) == DownloadInfo.STATE_INVALID) {
+                    CommonOperations.startDownload(activity, galleryInfo, false);
+                } else {
+                    new AlertDialog.Builder(context)
+                        .setTitle(R.string.download_remove_dialog_title)
+                        .setMessage(getString(R.string.download_remove_dialog_message, galleryInfo.title))
+                        .setPositiveButton(android.R.string.ok, (dialog1, which1) -> EhApplication.getDownloadManager(context).deleteDownload(galleryInfo.gid))
+                        .show();
+                }
             }
         } else if (mRead == v) {
             GalleryInfo galleryInfo = null;