Update app.py

app.py

@@ -70,7 +70,8 @@ def translate_to_english(text, translation_pipeline):
     
     # Supported languages: Chinese, Japanese, German, Spanish, French
     language_map = {
-        'zh': "zh",  # Chinese
+        'zh-cn': "zh",  # Simplified Chinese
+        'zh-tw': "zh",  # Traditional Chinese
         'ja': "ja",  # Japanese
         'de': "de",  # German
         'es': "es",  # Spanish