diff --git a/samples/Sample.SqlServer/Startup.cs b/samples/Sample.SqlServer/Startup.cs
index d1b3be40..ad70c7c4 100644
--- a/samples/Sample.SqlServer/Startup.cs
+++ b/samples/Sample.SqlServer/Startup.cs
@@ -10,6 +10,7 @@ using ShardingCore;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using ShardingCore.Helpers;
 using ShardingCore.Sharding.ReadWriteConfigurations;
 
 namespace Sample.SqlServer
diff --git a/src/ShardingCore/VirtualRoutes/Abstractions/AbstractShardingAutoCreateOperatorVirtualTableRoute.cs b/src/ShardingCore/VirtualRoutes/Abstractions/AbstractShardingAutoCreateOperatorVirtualTableRoute.cs
index 69cc9be3..feca356f 100644
--- a/src/ShardingCore/VirtualRoutes/Abstractions/AbstractShardingAutoCreateOperatorVirtualTableRoute.cs
+++ b/src/ShardingCore/VirtualRoutes/Abstractions/AbstractShardingAutoCreateOperatorVirtualTableRoute.cs
@@ -91,18 +91,11 @@ namespace ShardingCore.VirtualRoutes.Abstractions
         /// </summary>
         public virtual int IncrementMinutes => 10;
 
-        public string[] GetJobCronExpressions()
+        public virtual string[] GetJobCronExpressions()
         {
-            var cronExpressions = GetCronExpressions();
-            var compensateCronExpressions = GetCompensateCronExpressions();
-            return cronExpressions.Concat(compensateCronExpressions).Distinct().ToArray();
+            return GetCronExpressions();
         }
         /// <summary>
-        /// 补偿cron防止提前创建后没有添加tail到内存中从而无法识别
-        /// </summary>
-        /// <returns></returns>
-        public abstract string[] GetCompensateCronExpressions();
-        /// <summary>
         /// 重写改方法后请一起重写IncrementMinutes值，比如你按月分表但是你设置cron表达式为月中的时候建表，
         /// 那么会在月中的时候 <code>DateTime.Now.AddMinutes(IncrementMinutes);</code>来获取tail会导致还是当月的所以不会建表
         /// </summary>
diff --git a/src/ShardingCore/VirtualRoutes/Days/AbstractSimpleShardingDayKeyDateTimeVirtualTableRoute.cs b/src/ShardingCore/VirtualRoutes/Days/AbstractSimpleShardingDayKeyDateTimeVirtualTableRoute.cs
index 0c9e9d58..f7588e9b 100644
--- a/src/ShardingCore/VirtualRoutes/Days/AbstractSimpleShardingDayKeyDateTimeVirtualTableRoute.cs
+++ b/src/ShardingCore/VirtualRoutes/Days/AbstractSimpleShardingDayKeyDateTimeVirtualTableRoute.cs
@@ -2,6 +2,7 @@ using ShardingCore.Core.VirtualRoutes;
 using ShardingCore.VirtualRoutes.Abstractions;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace ShardingCore.VirtualRoutes.Days
 {
@@ -11,13 +12,16 @@ namespace ShardingCore.VirtualRoutes.Days
     * @Date: Wednesday, 27 January 2021 08:41:05
     * @Email: 326308290@qq.com
     */
-    public abstract class AbstractSimpleShardingDayKeyDateTimeVirtualTableRoute<TEntity>:AbstractShardingTimeKeyDateTimeVirtualTableRoute<TEntity> where TEntity:class
+    public abstract class
+        AbstractSimpleShardingDayKeyDateTimeVirtualTableRoute<TEntity> :
+            AbstractShardingTimeKeyDateTimeVirtualTableRoute<TEntity> where TEntity : class
     {
         /// <summary>
         /// begin time use fixed time eg.new DateTime(20xx,xx,xx)
         /// </summary>
         /// <returns></returns>
         public abstract DateTime GetBeginTime();
+
         /// <summary>
         /// 这个方法会在程序启动的时候被调用,后续整个生命周期将不会被调用,仅用来告诉框架启动的时候有多少张TEntity对象的后缀表,
         /// 然后会在启动的时候添加到 <see cref="IVirtualTable{TEntity}.AddPhysicTable(IPhysicTable physicTable)"/>
@@ -26,8 +30,8 @@ namespace ShardingCore.VirtualRoutes.Days
         protected override List<string> CalcTailsOnStart()
         {
             var beginTime = GetBeginTime().Date;
-         
-            var tails=new List<string>();
+
+            var tails = new List<string>();
             //提前创建表
             var nowTimeStamp = DateTime.Now.Date;
             if (beginTime > nowTimeStamp)
@@ -39,8 +43,10 @@ namespace ShardingCore.VirtualRoutes.Days
                 tails.Add(tail);
                 currentTimeStamp = currentTimeStamp.AddDays(1);
             }
+
             return tails;
         }
+
         protected override string TimeFormatToTail(DateTime time)
         {
             return $"{time:yyyyMMdd}";
@@ -53,22 +59,22 @@ namespace ShardingCore.VirtualRoutes.Days
             {
                 case ShardingOperatorEnum.GreaterThan:
                 case ShardingOperatorEnum.GreaterThanOrEqual:
-                    return tail =>String.Compare(tail, t, StringComparison.Ordinal) >= 0;
+                    return tail => String.Compare(tail, t, StringComparison.Ordinal) >= 0;
                 case ShardingOperatorEnum.LessThan:
                 {
                     var shardingKeyDate = shardingKey.Date;
                     //处于临界值 o=>o.time < [2021-01-01 00:00:00] 尾巴20210101不应该被返回
                     if (shardingKeyDate == shardingKey)
-                        return tail =>String.Compare(tail, t, StringComparison.Ordinal) < 0;
-                    return tail =>String.Compare(tail, t, StringComparison.Ordinal) <= 0;
+                        return tail => String.Compare(tail, t, StringComparison.Ordinal) < 0;
+                    return tail => String.Compare(tail, t, StringComparison.Ordinal) <= 0;
                 }
                 case ShardingOperatorEnum.LessThanOrEqual:
-                    return tail =>String.Compare(tail, t, StringComparison.Ordinal) <= 0;
+                    return tail => String.Compare(tail, t, StringComparison.Ordinal) <= 0;
                 case ShardingOperatorEnum.Equal: return tail => tail == t;
                 default:
                 {
 #if DEBUG
-                    Console.WriteLine($"shardingOperator is not equal scan all table tail");           
+                    Console.WriteLine($"shardingOperator is not equal scan all table tail");
 #endif
                     return tail => true;
                 }
@@ -85,10 +91,10 @@ namespace ShardingCore.VirtualRoutes.Days
             };
         }
 
-        public override string[] GetCompensateCronExpressions()
+        public override string[] GetJobCronExpressions()
         {
-            return new[] { "0 0 0 * * ?" };
+            var crons = base.GetJobCronExpressions().Concat(new[] { "0 0 0 * * ?" }).Distinct().ToArray();
+            return crons;
         }
-
     }
 }
\ No newline at end of file
diff --git a/src/ShardingCore/VirtualRoutes/Days/AbstractSimpleShardingDayKeyLongVirtualTableRoute.cs b/src/ShardingCore/VirtualRoutes/Days/AbstractSimpleShardingDayKeyLongVirtualTableRoute.cs
index 0c8d06be..8b863ca7 100644
--- a/src/ShardingCore/VirtualRoutes/Days/AbstractSimpleShardingDayKeyLongVirtualTableRoute.cs
+++ b/src/ShardingCore/VirtualRoutes/Days/AbstractSimpleShardingDayKeyLongVirtualTableRoute.cs
@@ -3,6 +3,7 @@ using ShardingCore.Helpers;
 using ShardingCore.VirtualRoutes.Abstractions;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Linq.Expressions;
 
 namespace ShardingCore.VirtualRoutes.Days
@@ -80,9 +81,11 @@ namespace ShardingCore.VirtualRoutes.Days
                 "0 1 0 * * ?",
             };
         }
-        public override string[] GetCompensateCronExpressions()
+
+        public override string[] GetJobCronExpressions()
         {
-            return new[] { "0 0 0 * * ?" };
+            var crons = base.GetJobCronExpressions().Concat(new []{"0 0 0 * * ?"    }).Distinct().ToArray();
+            return crons;
         }
     }
 }
\ No newline at end of file
diff --git a/src/ShardingCore/VirtualRoutes/Months/AbstractSimpleShardingMonthKeyDateTimeVirtualTableRoute.cs b/src/ShardingCore/VirtualRoutes/Months/AbstractSimpleShardingMonthKeyDateTimeVirtualTableRoute.cs
index 94003354..a5e5d810 100644
--- a/src/ShardingCore/VirtualRoutes/Months/AbstractSimpleShardingMonthKeyDateTimeVirtualTableRoute.cs
+++ b/src/ShardingCore/VirtualRoutes/Months/AbstractSimpleShardingMonthKeyDateTimeVirtualTableRoute.cs
@@ -3,6 +3,7 @@ using ShardingCore.Helpers;
 using ShardingCore.VirtualRoutes.Abstractions;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Linq.Expressions;
 
 namespace ShardingCore.VirtualRoutes.Months
@@ -76,9 +77,10 @@ namespace ShardingCore.VirtualRoutes.Months
                 "0 1 0 1 * ?",
             };
         }
-        public override string[] GetCompensateCronExpressions()
+        public override string[] GetJobCronExpressions()
         {
-            return new[] { "0 0 0 1 * ?" };
+            var crons = base.GetJobCronExpressions().Concat(new []{"0 0 0 1 * ?"}).Distinct().ToArray();
+            return crons;
         }
 
     }
diff --git a/src/ShardingCore/VirtualRoutes/Months/AbstractSimpleShardingMonthKeyLongVirtualTableRoute.cs b/src/ShardingCore/VirtualRoutes/Months/AbstractSimpleShardingMonthKeyLongVirtualTableRoute.cs
index af898568..dbaf460f 100644
--- a/src/ShardingCore/VirtualRoutes/Months/AbstractSimpleShardingMonthKeyLongVirtualTableRoute.cs
+++ b/src/ShardingCore/VirtualRoutes/Months/AbstractSimpleShardingMonthKeyLongVirtualTableRoute.cs
@@ -3,6 +3,7 @@ using ShardingCore.Helpers;
 using ShardingCore.VirtualRoutes.Abstractions;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Linq.Expressions;
 
 namespace ShardingCore.VirtualRoutes.Months
@@ -79,9 +80,10 @@ namespace ShardingCore.VirtualRoutes.Months
                 "0 1 0 1 * ?",
             };
         }
-        public override string[] GetCompensateCronExpressions()
+        public override string[] GetJobCronExpressions()
         {
-            return new[] { "0 0 0 1 * ?" };
+            var crons = base.GetJobCronExpressions().Concat(new []{"0 0 0 1 * ?"}).Distinct().ToArray();
+            return crons;
         }
     }
 }
\ No newline at end of file
diff --git a/src/ShardingCore/VirtualRoutes/Weeks/AbstractSimpleShardingWeekKeyDateTimeVirtualTableRoute.cs b/src/ShardingCore/VirtualRoutes/Weeks/AbstractSimpleShardingWeekKeyDateTimeVirtualTableRoute.cs
index 3dff17bc..a7276812 100644
--- a/src/ShardingCore/VirtualRoutes/Weeks/AbstractSimpleShardingWeekKeyDateTimeVirtualTableRoute.cs
+++ b/src/ShardingCore/VirtualRoutes/Weeks/AbstractSimpleShardingWeekKeyDateTimeVirtualTableRoute.cs
@@ -3,6 +3,7 @@ using ShardingCore.Helpers;
 using ShardingCore.VirtualRoutes.Abstractions;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Linq.Expressions;
 
 namespace ShardingCore.VirtualRoutes.Weeks
@@ -78,9 +79,10 @@ namespace ShardingCore.VirtualRoutes.Weeks
                 "0 1 0 ? * 2",
             };
         }
-        public override string[] GetCompensateCronExpressions()
+        public override string[] GetJobCronExpressions()
         {
-            return new[] { "0 0 0 ? * 2" };
+            var crons = base.GetJobCronExpressions().Concat(new []{"0 0 0 ? * 2"}).Distinct().ToArray();
+            return crons;
         }
 
     }
diff --git a/src/ShardingCore/VirtualRoutes/Weeks/AbstractSimpleShardingWeekKeyLongVirtualTableRoute.cs b/src/ShardingCore/VirtualRoutes/Weeks/AbstractSimpleShardingWeekKeyLongVirtualTableRoute.cs
index 449231e7..9a5d9e6e 100644
--- a/src/ShardingCore/VirtualRoutes/Weeks/AbstractSimpleShardingWeekKeyLongVirtualTableRoute.cs
+++ b/src/ShardingCore/VirtualRoutes/Weeks/AbstractSimpleShardingWeekKeyLongVirtualTableRoute.cs
@@ -3,6 +3,7 @@ using ShardingCore.Helpers;
 using ShardingCore.VirtualRoutes.Abstractions;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace ShardingCore.VirtualRoutes.Weeks
 {
@@ -81,9 +82,10 @@ namespace ShardingCore.VirtualRoutes.Weeks
                 "0 1 0 ? * 2",
             };
         }
-        public override string[] GetCompensateCronExpressions()
+        public override string[] GetJobCronExpressions()
         {
-            return new[] { "0 0 0 ? * 2" };
+            var crons = base.GetJobCronExpressions().Concat(new []{"0 0 0 ? * 2"}).Distinct().ToArray();
+            return crons;
         }
     }
 }
\ No newline at end of file
diff --git a/src/ShardingCore/VirtualRoutes/Years/AbstractSimpleShardingYearKeyDateTimeVirtualTableRoute.cs b/src/ShardingCore/VirtualRoutes/Years/AbstractSimpleShardingYearKeyDateTimeVirtualTableRoute.cs
index 98279e3c..0a8cf525 100644
--- a/src/ShardingCore/VirtualRoutes/Years/AbstractSimpleShardingYearKeyDateTimeVirtualTableRoute.cs
+++ b/src/ShardingCore/VirtualRoutes/Years/AbstractSimpleShardingYearKeyDateTimeVirtualTableRoute.cs
@@ -2,6 +2,7 @@ using ShardingCore.Core.VirtualRoutes;
 using ShardingCore.VirtualRoutes.Abstractions;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Linq.Expressions;
 
 namespace ShardingCore.VirtualRoutes.Years
@@ -78,9 +79,10 @@ namespace ShardingCore.VirtualRoutes.Years
                 "0 1 0 1 1 ?",
             };
         }
-        public override string[] GetCompensateCronExpressions()
+        public override string[] GetJobCronExpressions()
         {
-            return new[] { "0 0 0 1 1 ?" };
+            var crons = base.GetJobCronExpressions().Concat(new []{"0 0 0 1 1 ?"}).Distinct().ToArray();
+            return crons;
         }
     }
 }
\ No newline at end of file
diff --git a/src/ShardingCore/VirtualRoutes/Years/AbstractSimpleShardingYearKeyLongVirtualTableRoute.cs b/src/ShardingCore/VirtualRoutes/Years/AbstractSimpleShardingYearKeyLongVirtualTableRoute.cs
index a55832b6..a37b4a4f 100644
--- a/src/ShardingCore/VirtualRoutes/Years/AbstractSimpleShardingYearKeyLongVirtualTableRoute.cs
+++ b/src/ShardingCore/VirtualRoutes/Years/AbstractSimpleShardingYearKeyLongVirtualTableRoute.cs
@@ -3,6 +3,7 @@ using ShardingCore.Helpers;
 using ShardingCore.VirtualRoutes.Abstractions;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Linq.Expressions;
 
 namespace ShardingCore.VirtualRoutes.Years
@@ -102,9 +103,10 @@ namespace ShardingCore.VirtualRoutes.Years
                 "0 1 0 1 1 ?",
             };
         }
-        public override string[] GetCompensateCronExpressions()
+        public override string[] GetJobCronExpressions()
         {
-            return new[] { "0 0 0 1 1 ?" };
+            var crons = base.GetJobCronExpressions().Concat(new []{"0 0 0 1 1 ?"}).Distinct().ToArray();
+            return crons;
         }
     }
 }
\ No newline at end of file