diff --git a/app/cross_evaluate_worker.py b/app/cross_evaluate_worker.py
index 2e2aa71..09de635 100644
--- a/app/cross_evaluate_worker.py
+++ b/app/cross_evaluate_worker.py
@@ -220,7 +220,7 @@ def query_cross_problems(params):
     cross_phase, err = QueryCrossRunningPhase(int(nodeid), [crossid], [str(item) for item in date_list], time_range)
     if err or not cross_phase or cross_phase.code != 0:
         logging.warning("路口未录入配时方案")
-    problems = gen_cross_problems(crossid, nodeid, area_id, time_range, tp_start.replace('h', '').replace('t', ''), date_list, avg_cross_delay_info, roads_dir_dict, inroad_static_info_dict, cross_phase, is_peak, cross_ledger_info)
+    problems = gen_cross_problems(crossid, nodeid, area_id, time_range, str(tp_start).replace('h', '').replace('t', ''), date_list, avg_cross_delay_info, roads_dir_dict, inroad_static_info_dict, cross_phase, is_peak, cross_ledger_info)
     res = make_common_res(0, 'ok')
     res['data'] = problems
     return json.dumps(res, ensure_ascii=False)