Update app.py

app.py

@@ -520,7 +520,7 @@ class GrokApiClient:
 
             if response.status_code != 200:
                 logger.error(f"上传文件失败,状态码:{response.status_code}", "Server")
-                return ''
+                raise Exception(f"上传文件失败,状态码:{response.status_code}")
 
             result = response.json()
             logger.info(f"上传文件成功: {result}", "Server")
@@ -528,7 +528,7 @@ class GrokApiClient:
 
         except Exception as error:
             logger.error(str(error), "Server")
-            return ''
+            raise Exception(f"上传文件失败,状态码:{response.status_code}")
     def upload_base64_image(self, base64_data, url):
         try:
             if 'data:image' in base64_data:
@@ -644,7 +644,7 @@ class GrokApiClient:
 
 
             text_content = process_content(current.get("content", ""))
-            if is_last_message:
+            if is_last_message and convert_to_file:
                 last_message_content = f"{role.upper()}: {text_content or '[图片]'}\n"
                 continue
             if text_content or (is_last_message and file_attachments):
@@ -663,6 +663,7 @@ class GrokApiClient:
             if file_id:
                 file_attachments.insert(0, file_id)
             messages = last_message_content.strip()
+
         return {
             "temporary": CONFIG["API"].get("IS_TEMP_CONVERSATION", False),
             "modelName": self.model_id,
@@ -1078,10 +1079,12 @@ def chat_completions():
                 f"当前令牌: {json.dumps(CONFIG['API']['SIGNATURE_COOKIE'], indent=2)}","Server")
             logger.info(
                 f"当前可用模型的全部可用数量: {json.dumps(token_manager.get_remaining_token_request_capacity(), indent=2)}","Server")
+            
             if CONFIG['SERVER']['CF_CLEARANCE']:
                 CONFIG["SERVER"]['COOKIE'] = f"{CONFIG['API']['SIGNATURE_COOKIE']};{CONFIG['SERVER']['CF_CLEARANCE']}" 
             else:
                 CONFIG["SERVER"]['COOKIE'] = CONFIG['API']['SIGNATURE_COOKIE']
+            logger.info(json.dumps(request_payload,indent=2),"Server")
             try:
                 proxy_options = Utils.get_proxy_options()
                 response = curl_requests.post(