Update config.json

config.json

@@ -2,5 +2,10 @@
     "manga_dir": "manga_all",
     "mask_dir": "mask",
     "allow_scheduler": true,
-    "allow_submit": true
+    "allow_submit": true,
+    "default_chapter_delete": [
+        0,
+        1,
+        -1
+    ]
 }