2ND

app/services/dify_client.py

@@ -142,15 +142,43 @@ class DifyClient:
         if not text.strip():
             raise APIError("翻譯文字不能為空")
         
-        # 構建請求資料
+        # 構建標準翻譯 prompt（英文指令格式）
+        language_names = {
+            'zh-tw': 'Traditional Chinese',
+            'zh-cn': 'Simplified Chinese', 
+            'en': 'English',
+            'ja': 'Japanese',
+            'ko': 'Korean',
+            'vi': 'Vietnamese',
+            'th': 'Thai',
+            'id': 'Indonesian',
+            'ms': 'Malay',
+            'es': 'Spanish',
+            'fr': 'French',
+            'de': 'German',
+            'ru': 'Russian',
+            'ar': 'Arabic'
+        }
+        
+        source_lang_name = language_names.get(source_language, source_language)
+        target_lang_name = language_names.get(target_language, target_language)
+        
+        query = f"""Task: Translate ONLY into {target_lang_name} from {source_lang_name}.
+
+Rules:
+- Output translation text ONLY (no source text, no notes, no questions, no language-detection remarks).
+- Preserve original line breaks.
+- Do NOT wrap in quotes or code blocks.
+- Maintain original formatting and structure.
+
+{text.strip()}"""
+        
+        # 構建請求資料 - 使用成功版本的格式
         request_data = {
-            'inputs': {
-                'text': text.strip(),
-                'source_language': source_language,
-                'target_language': target_language
-            },
+            'inputs': {},
             'response_mode': 'blocking',
-            'user': f"user_{user_id}" if user_id else "anonymous"
+            'user': f"user_{user_id}" if user_id else "doc-translator-user",
+            'query': query
         }
         
         try:
@@ -162,10 +190,10 @@ class DifyClient:
                 job_id=job_id
             )
             
-            # 從響應中提取翻譯結果
-            answer = response.get('answer', '')
+            # 從響應中提取翻譯結果 - 使用成功版本的方式
+            answer = response.get('answer')
             
-            if not answer:
+            if not isinstance(answer, str) or not answer.strip():
                 raise APIError("Dify API 返回空的翻譯結果")
             
             return {