修改返回错误；

epmet-module/epmet-heart/epmet-heart-server/src/main/java/com/epmet/service/impl/CanteenMenusServiceImpl.java

@@ -331,8 +331,10 @@ public class CanteenMenusServiceImpl extends BaseServiceImpl<CanteenMenusDao, Ca
                     }
                 });
             });
+            return dtoList;
+        } else {
+            return new ArrayList<>();
         }
-        return null;
     }
 
     private List<DateTime> getDateList(String startDate, String endDate) {