bugfix

portfolios/checker.py

@@ -34,8 +34,12 @@ class DefaultPortfoliosChecker(PortfoliosChecker):
                 # 若存在匹配值则执行后跳出循环
                 if len(keys) > 0:
                     # 选取非同公司的、风险等级小于等于原基金的 基金
-                    ids = [fund['id'] for fund in funds if fund['companyType'] != list(companies)[0] and
-                           fund['risk'] <= min(fund['risk'] for fund in funds if fund['id'] in keys)]
+                    min_risk = min(fund['risk'] for fund in funds if str(fund['id']) in keys)
+                    ids = []
+                    while len(ids) == 0:
+                        ids = [fund['id'] for fund in funds if fund['companyType'] != list(companies)[0] and
+                               fund['risk'] <= min_risk]
+                        min_risk += 1
                     best = self.find_highest_score(ids, day)
                     # 若刚好有一个匹配，直接替换
                     if len(keys) == 1: