feat（新功能）:

fix（修复bug）:  推荐接口 请求参数打印
docs（文档变更）:
refactor（重构）:
test(增加测试):

app/api/api_recommendation.py

@@ -34,12 +34,14 @@ async def startup_event():
     scheduler.start()
     logger.info("定时任务已启动")
 
+
 def softmax(scores):
     max_score = max(scores)
     exp_scores = [math.exp(s - max_score) for s in scores]
     sum_exp = sum(exp_scores)
     return [s / sum_exp for s in exp_scores]
 
+
 # def get_random_recommendations(category: str, num: int) -> List[str]:
 #     """根据预加载热度向量推荐（冷启动）"""
 #     try:
@@ -92,7 +94,7 @@ async def get_recommendations(user_id: int, category: str, brand_id: int, brand_
             ]
     """
     try:
-        logger.info(f"user_id:{user_id}, category:{category}, num_recommendations:{num_recommendations}")
+        logger.info(f"user_id:{user_id}-----category:{category}-----brand_id:{brand_id}-----brand_scale:{brand_scale}-----num_recommendations:{num_recommendations}")
         start_time = time.time()
         cache_key = (user_id, category)
         # === 新增：用户存在性检查 ===