diff --git a/src/main/java/com/sqx/modules/artificer/service/impl/ArtificerTimeServiceImpl.java b/src/main/java/com/sqx/modules/artificer/service/impl/ArtificerTimeServiceImpl.java
index 81c207f..2b6e293 100644
--- a/src/main/java/com/sqx/modules/artificer/service/impl/ArtificerTimeServiceImpl.java
+++ b/src/main/java/com/sqx/modules/artificer/service/impl/ArtificerTimeServiceImpl.java
@@ -203,7 +203,7 @@ public class ArtificerTimeServiceImpl extends ServiceImpl<ArtificerTimeDao, Arti
                 timeList.add(time);
                 map.put(day,timeList);
             }
-            DateUtils.addDateMinutes(current,30);
+            current = DateUtils.addDateMinutes(current,30);
         }
         return map;
     }