diff --git a/Modbus.Net/Modbus.Net.Siemens/SiemensPpiProtocolLinker.cs b/Modbus.Net/Modbus.Net.Siemens/SiemensPpiProtocolLinker.cs
index de2c518..f111acd 100644
--- a/Modbus.Net/Modbus.Net.Siemens/SiemensPpiProtocolLinker.cs
+++ b/Modbus.Net/Modbus.Net.Siemens/SiemensPpiProtocolLinker.cs
@@ -19,7 +19,7 @@ namespace Modbus.Net.Siemens
         public SiemensPpiProtocolLinker(string com, int slaveAddress)
             : base(com, 9600, Parity.Even, StopBits.One, 8, slaveAddress)
         {
-            ((BaseConnector)BaseConnector).AddController(new FifoController(int.Parse(new ConfigurationBuilder().AddJsonFile($"appsettings.json").Build().GetSection("Config")["FetchSleepTime"] ?? "0")));
+            ((BaseConnector)BaseConnector).AddController(new FifoController(int.Parse(new ConfigurationBuilder().AddJsonFile($"appsettings.json").Build().GetSection("Config")["FetchSleepTime"] ?? "0"), true, null, 100));
         }
 
         /// <summary>
diff --git a/Modbus.Net/Modbus.Net.Siemens/SiemensTcpProtocolLinker.cs b/Modbus.Net/Modbus.Net.Siemens/SiemensTcpProtocolLinker.cs
index 39c251b..90d5274 100644
--- a/Modbus.Net/Modbus.Net.Siemens/SiemensTcpProtocolLinker.cs
+++ b/Modbus.Net/Modbus.Net.Siemens/SiemensTcpProtocolLinker.cs
@@ -26,7 +26,7 @@ namespace Modbus.Net.Siemens
         public SiemensTcpProtocolLinker(string ip, int port)
             : base(ip, port)
         {
-            ((BaseConnector)BaseConnector).AddController(new MatchDirectlySendController(new ICollection<(int,int)>[] { new List<(int,int)> { (11,11), (12,12) } }, DuplicateWithCount.GetDuplcateFunc(new List<int>{2, 3}, 0)));
+            ((BaseConnector)BaseConnector).AddController(new MatchDirectlySendController(new ICollection<(int,int)>[] { new List<(int,int)> { (11,11), (12,12) } }, DuplicateWithCount.GetDuplcateFunc(new List<int>{2, 3}, 0), 100));
         }
 
         /// <summary>
diff --git a/Modbus.Net/Modbus.Net/Controller/FifoController.cs b/Modbus.Net/Modbus.Net/Controller/FifoController.cs
index d35a4dc..503f4da 100644
--- a/Modbus.Net/Modbus.Net/Controller/FifoController.cs
+++ b/Modbus.Net/Modbus.Net/Controller/FifoController.cs
@@ -15,7 +15,7 @@ namespace Modbus.Net
 
         private bool _taskCancel = false;
 
-        private int _waitingListMaxCount = 10000;
+        private int _waitingListMaxCount;
 
         private readonly Semaphore _taskCycleSema;
 
@@ -30,14 +30,16 @@ namespace Modbus.Net
         /// <param name="acquireTime">间隔时间</param>
         /// <param name="activateSema">是否开启信号量</param>
         /// <param name="duplicateFunc">包切分函数</param>
-        public FifoController(int acquireTime, bool activateSema = true, Func<byte[], ICollection<byte[]>> duplicateFunc = null)
+        /// <param name="waitingListMaxCount">包等待队列长度</param>
+        public FifoController(int acquireTime, bool activateSema = true, Func<byte[], ICollection<byte[]>> duplicateFunc = null, int waitingListMaxCount = 1)
             : base(duplicateFunc)
         {
+            _waitingListMaxCount = waitingListMaxCount;
             if (activateSema)
             {
                 _taskCycleSema = new Semaphore(0, _waitingListMaxCount);
             }
-            AcquireTime = acquireTime;
+            AcquireTime = acquireTime;          
         }
 
         /// <inheritdoc />
diff --git a/Modbus.Net/Modbus.Net/Controller/MatchController.cs b/Modbus.Net/Modbus.Net/Controller/MatchController.cs
index 8a60388..97bbcdd 100644
--- a/Modbus.Net/Modbus.Net/Controller/MatchController.cs
+++ b/Modbus.Net/Modbus.Net/Controller/MatchController.cs
@@ -21,8 +21,9 @@ namespace Modbus.Net
         /// <param name="acquireTime">获取间隔</param>
         /// <param name="activateSema">是否开启信号量</param>
         /// <param name="duplicateFunc">包切分函数</param>
+        /// <param name="waitingListMaxCount">包切分函数</param>
         public MatchController(ICollection<(int, int)>[] keyMatches, int acquireTime, bool activateSema = true,
-            Func<byte[], ICollection<byte[]>> duplicateFunc = null) : base(acquireTime, activateSema, duplicateFunc)
+            Func<byte[], ICollection<byte[]>> duplicateFunc = null, int waitingListMaxCount = 1) : base(acquireTime, activateSema, duplicateFunc, waitingListMaxCount)
         {
             KeyMatches = keyMatches;
         }
diff --git a/Modbus.Net/Modbus.Net/Controller/MatchDirectlySendController.cs b/Modbus.Net/Modbus.Net/Controller/MatchDirectlySendController.cs
index 098c3a0..0bb44be 100644
--- a/Modbus.Net/Modbus.Net/Controller/MatchDirectlySendController.cs
+++ b/Modbus.Net/Modbus.Net/Controller/MatchDirectlySendController.cs
@@ -10,8 +10,8 @@ namespace Modbus.Net
     {
         /// <inheritdoc />
         public MatchDirectlySendController(ICollection<(int, int)>[] keyMatches,
-            Func<byte[], ICollection<byte[]>> duplicateFunc = null) : base(keyMatches,
-            0, false, duplicateFunc)
+            Func<byte[], ICollection<byte[]>> duplicateFunc = null, int waitingListMaxCount = 1) : base(keyMatches,
+            0, false, duplicateFunc, waitingListMaxCount)
         {
         }
 
diff --git a/Samples/Automation Projects/Automation/MachineJob/AdditionalFiles/PLCM/plcmArchive.pma b/Samples/Automation Projects/Automation/MachineJob/AdditionalFiles/PLCM/plcmArchive.pma
new file mode 100644
index 0000000..593f470
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diff --git a/Samples/Automation Projects/Automation/MachineJob/AdditionalFiles/PLCM/plcmArchive.pma15_0 b/Samples/Automation Projects/Automation/MachineJob/AdditionalFiles/PLCM/plcmArchive.pma15_0
new file mode 100644
index 0000000..593f470
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diff --git a/Samples/Automation Projects/Automation/MachineJob/IM/SPL/options b/Samples/Automation Projects/Automation/MachineJob/IM/SPL/options
new file mode 100644
index 0000000..027c00f
--- /dev/null
+++ b/Samples/Automation Projects/Automation/MachineJob/IM/SPL/options	
@@ -0,0 +1,4 @@
+x^�W�r�D����-���3!.�q���C��;xj�����xܵt�.^��*�y���<�
3�<�䐘����E��Yy��wt�������񗾰ū���w)���Ҁ(�9=���m&�qۧJ���P�v!�T�f�V�����Ѩ՝z�jELE!49D*$�j����=�~)���<b��D�ǻ{�͖��q!<�H����S�'J[�N7���}m��)z`�P �Y@QԢ�}�3�h�1LK��
+���
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+����6CL%u��u@�>�(�K�,�~Z��N�^W�z��#��������X�#�a&�i�t)>s�w��Yn�*����ӑ��?ŒO0#_^�@zԁl��?��
+��'��}�rj�xEw�γ�Y)/vݩ�pO���4�H=�Z�a���g]Γ���K�a�oڍ�m��X�~L���h���E=�4
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diff --git a/Samples/Automation Projects/Automation/MachineJob/IM/SearchIndex/_1o.fdt b/Samples/Automation Projects/Automation/MachineJob/IM/SearchIndex/_1o.fdt
new file mode 100644
index 0000000..c288656
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diff --git a/Samples/Automation Projects/Automation/MachineJob/IM/SearchIndex/_1o.fdx b/Samples/Automation Projects/Automation/MachineJob/IM/SearchIndex/_1o.fdx
new file mode 100644
index 0000000..07efc66
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diff --git a/Samples/Automation Projects/Automation/MachineJob/IM/SearchIndex/_1o.fnm b/Samples/Automation Projects/Automation/MachineJob/IM/SearchIndex/_1o.fnm
new file mode 100644
index 0000000..8b6e904
--- /dev/null
+++ b/Samples/Automation Projects/Automation/MachineJob/IM/SearchIndex/_1o.fnm	
@@ -0,0 +1 @@
+����%###id###VisulizationRootBrowsableId###TargetIdNameDisplayName-###SearchableNonTechnicalFieldNamesOfDocument###ParentIds###ImmediateParentId###ReferenceFieldIds###SearchFilterIdsTitleLanguageVersion
Constant nameEvent class###UpdatableParentIdInterfaceMember_NameInterfaceMember_DatatypeInterfaceMember_ValueInterfaceMember_Comment
Network titleLADFBD CodeSCL CodeCommentDatatypeAddressValueAuthorFamilyInstance DB###ReconstitutionDataIDAssociatedCultureFieldIdAssociatedProjectVersion!AssociatedIndexDataVersionFieldId,AssociatedTechnicalFieldNamesHashCodeFieldId-AssociatedTechnicalFieldContentVersionFieldIdIndexAtomStore
\ No newline at end of file
diff --git a/Samples/Automation Projects/Automation/MachineJob/IM/SearchIndex/_1o.frq b/Samples/Automation Projects/Automation/MachineJob/IM/SearchIndex/_1o.frq
new file mode 100644
index 0000000..1a48e22
--- /dev/null
+++ b/Samples/Automation Projects/Automation/MachineJob/IM/SearchIndex/_1o.frq	
@@ -0,0 +1,3 @@
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diff --git a/Samples/Automation Projects/Automation/MachineJob/MachineJob.ap18 b/Samples/Automation Projects/Automation/MachineJob/MachineJob.ap18
new file mode 100644
index 0000000..325e274
--- /dev/null
+++ b/Samples/Automation Projects/Automation/MachineJob/MachineJob.ap18	
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Data Type="Project" Name="MachineJob" NameOfName="Siemens.Automation.ObjectFrame.ICoreAttributes.Name" BrowsableType="Siemens.Automation.DomainModel.ProjectData" ProjectCompatibilityVersion="18.0.1.0" xmlns="http://www.siemens.com/2007/07/Automation/CommonServices/DataInfoValueData">
+  <Icon 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+  <ProjectVersion>18.0.1.0</ProjectVersion>
+</Data>
\ No newline at end of file
diff --git a/Samples/Automation Projects/Automation/MachineJob/System/PEData.idx b/Samples/Automation Projects/Automation/MachineJob/System/PEData.idx
new file mode 100644
index 0000000..d4d9a10
Binary files /dev/null and b/Samples/Automation Projects/Automation/MachineJob/System/PEData.idx differ
diff --git a/Samples/Automation Projects/Automation/MachineJob/System/PEData.plf b/Samples/Automation Projects/Automation/MachineJob/System/PEData.plf
new file mode 100644
index 0000000..f292f46
Binary files /dev/null and b/Samples/Automation Projects/Automation/MachineJob/System/PEData.plf differ
diff --git a/Samples/Automation Projects/Automation/MachineJob/Vci/Vci.db b/Samples/Automation Projects/Automation/MachineJob/Vci/Vci.db
new file mode 100644
index 0000000..afcd254
Binary files /dev/null and b/Samples/Automation Projects/Automation/MachineJob/Vci/Vci.db differ
diff --git a/Samples/Automation Projects/Automation/MachineJob/XRef/XRef.db b/Samples/Automation Projects/Automation/MachineJob/XRef/XRef.db
new file mode 100644
index 0000000..b03c947
Binary files /dev/null and b/Samples/Automation Projects/Automation/MachineJob/XRef/XRef.db differ
diff --git a/Samples/MachineJob/MachineJob.csproj b/Samples/MachineJob/MachineJob.csproj
index 0b44f19..f7f0214 100644
--- a/Samples/MachineJob/MachineJob.csproj
+++ b/Samples/MachineJob/MachineJob.csproj
@@ -19,6 +19,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\Modbus.Net\Modbus.Net.Modbus\Modbus.Net.Modbus.csproj" />
+    <ProjectReference Include="..\..\Modbus.Net\Modbus.Net.Siemens\Modbus.Net.Siemens.csproj" />
     <ProjectReference Include="..\..\Modbus.Net\Modbus.Net\Modbus.Net.csproj" />
   </ItemGroup>
 </Project>
diff --git a/Samples/MachineJob/Worker.cs b/Samples/MachineJob/Worker.cs
index 67d01a1..88bd0d9 100644
--- a/Samples/MachineJob/Worker.cs
+++ b/Samples/MachineJob/Worker.cs
@@ -1,5 +1,6 @@
 using Modbus.Net;
 using Modbus.Net.Modbus;
+using Modbus.Net.Siemens;
 
 namespace MachineJob.Service
 {
@@ -14,6 +15,7 @@ namespace MachineJob.Service
 
         protected override async Task ExecuteAsync(CancellationToken stoppingToken)
         {
+            
             List<AddressUnit> _addresses = new List<AddressUnit>
             {
                 new AddressUnit() { Area = "4X", Address = 1, DataType = typeof(short), Id = "1", Name = "Test1" },
@@ -27,12 +29,27 @@ namespace MachineJob.Service
                 new AddressUnit() { Area = "4X", Address = 9, DataType = typeof(short), Id = "9", Name = "Test9" },
                 new AddressUnit() { Area = "4X", Address = 10, DataType = typeof(short), Id = "10", Name = "Test10" }
             };
-
-            IMachine<string> machine = new ModbusMachine<string, string>("ModbusMachine1", ModbusType.Tcp, "192.168.0.172", _addresses, true, 1, 2, Endian.BigEndianLsb);
-            //IMachine<string> machine2 = new ModbusMachine<string, string>("ModbusMachine2", ModbusType.Tcp, "192.168.0.172", _addresses, true, 3, 2, Endian.BigEndianLsb);
+            
+            /*
+            List<AddressUnit> _addresses2 = new List<AddressUnit>
+            {
+                new AddressUnit() { Area = "DB1", Address = 0, DataType = typeof(short), Id = "1", Name = "Test1" },
+                new AddressUnit() { Area = "DB1", Address = 2, DataType = typeof(short), Id = "2", Name = "Test2" },
+                new AddressUnit() { Area = "DB1", Address = 4, DataType = typeof(short), Id = "3", Name = "Test3" },
+                new AddressUnit() { Area = "DB1", Address = 6, DataType = typeof(short), Id = "4", Name = "Test4" },
+                new AddressUnit() { Area = "DB1", Address = 8, DataType = typeof(short), Id = "5", Name = "Test5" },
+                new AddressUnit() { Area = "DB1", Address = 10, DataType = typeof(short), Id = "6", Name = "Test6" },
+                new AddressUnit() { Area = "DB1", Address = 12, DataType = typeof(short), Id = "7", Name = "Test7" },
+                new AddressUnit() { Area = "DB1", Address = 14, DataType = typeof(short), Id = "8", Name = "Test8" },
+                new AddressUnit() { Area = "DB1", Address = 16, DataType = typeof(short), Id = "9", Name = "Test9" },
+                new AddressUnit() { Area = "DB1", Address = 18, DataType = typeof(short), Id = "10", Name = "Test10" }
+            };
+            */
+            IMachine<string> machine = new ModbusMachine<string, string>("ModbusMachine1", ModbusType.Tcp, "192.168.0.161", _addresses, true, 1, 2, Endian.BigEndianLsb);
+            //IMachine<string> machine2 = new SiemensMachine<string, string>("SiemensMachine1", SiemensType.Tcp, "192.168.0.161", SiemensMachineModel.S7_1200, _addresses2, true, 1, 2);
 
             await MachineJobSchedulerCreator.CreateScheduler("Trigger1", -1, 5).Result.From(machine.Id, machine, MachineDataType.Name).Result.Query(machine.Id + ".ConsoleQuery", QueryConsole).Result.To(machine.Id + ".To", machine).Result.Deal(machine.Id+".Deal", OnSuccess, OnFailure).Result.Run();
-            //await MachineJobSchedulerCreator.CreateScheduler("Trigger2", -1, 5).Result.Apply(machine2.Id + ".Apply", null, MachineDataType.Name).Result.Query(machine2.Id + ".ConsoleQuery", QueryConsole2).Result.To(machine2.Id + ".To", machine2).Result.Deal(machine.Id + ".Deal", OnSuccess, OnFailure).Result.From(machine2.Id, machine2, MachineDataType.Name).Result.Query(machine2.Id + ".ConsoleQuery2", QueryConsole).Result.Run();
+            //await MachineJobSchedulerCreator.CreateScheduler("Trigger2", -1, 5).Result.From(machine2.Id, machine2, MachineDataType.Name).Result.Query(machine2.Id + ".ConsoleQuery", QueryConsole).Result.To(machine2.Id + ".To", machine2).Result.Deal(machine2.Id + ".Deal", OnSuccess, OnFailure).Result.Run();
         }
 
         public override async Task StopAsync(CancellationToken cancellationToken)
@@ -59,7 +76,7 @@ namespace MachineJob.Service
             {
                 Console.WriteLine(dataReturnDef.MachineId + " " + value.Key + " " + value.Value.DeviceValue);
             }
-    
+            
             try
             {
                 using (var context = new DatabaseWriteContext())
@@ -85,7 +102,7 @@ namespace MachineJob.Service
             {
                 //ignore
             }
-    
+            
             Random r = new Random();
             foreach (var value in values)
             {
@@ -94,45 +111,5 @@ namespace MachineJob.Service
 
             return values.MapGetValuesToSetValues();
         }
-
-        private Dictionary<string, double> QueryConsole2(DataReturnDef dataReturnDef)
-        {
-            Random r = new Random();
-            var datas = new Dictionary<string, double>()
-            {
-                {
-                    "Test1", r.Next(65536) - 32768
-                },
-                {
-                    "Test2", r.Next(65536) - 32768 
-                },
-                {
-                    "Test3", r.Next(65536) - 32768
-                },
-                {
-                    "Test4", r.Next(65536) - 32768
-                },
-                {
-                    "Test5", r.Next(65536) - 32768
-                },
-                {
-                    "Test6", r.Next(65536) - 32768
-                },
-                {
-                    "Test7", r.Next(65536) - 32768
-                },
-                {
-                    "Test8", r.Next(65536) - 32768
-                },
-                {
-                    "Test9", r.Next(65536) - 32768
-                },
-                {
-                    "Test10", r.Next(65536) - 32768
-                }
-            };
-            return datas;
-        }
-
     }
 }
\ No newline at end of file