修改咨询师返回值数据类型为 string 类型

src/core/recommender.py

@@ -302,7 +302,7 @@ class RecommendByXgboost(Recommender):
         result_dict = dict(zip(doctor_ids, predit_result))
         result_dict = sorted(result_dict.items(), key=lambda x:x[1], reverse=True)
         recommend_data = [{
-            'counselor': int(c_id),
+            'counselor': c_id,
             'score': round(float(proba), 4),
             'from': 'similar_users {}'.format(user_id),
         } for (c_id, proba) in result_dict[0:50]]