Update app.py

app.py

@@ -15,8 +15,8 @@ output_dir = 'output'
 class LangEnum(str, Enum):
     ch = "ch"
     en = "en"
-    ja = "jp"
-    ko = "kr"
+    ja = "japan"
+    ko = "korean"
 
 # cache with ocr
 ocr_cache = {}