diff --git a/ICSSoft.WMS.WebAPI/ICSSoft.Common/ICSSoft.Common.csproj b/ICSSoft.WMS.WebAPI/ICSSoft.Common/ICSSoft.Common.csproj
index eeb97dd..e358b98 100644
--- a/ICSSoft.WMS.WebAPI/ICSSoft.Common/ICSSoft.Common.csproj
+++ b/ICSSoft.WMS.WebAPI/ICSSoft.Common/ICSSoft.Common.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>ICSSoft.Common</RootNamespace>
     <AssemblyName>ICSSoft.Common</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <Deterministic>true</Deterministic>
     <SccProjectName>
diff --git a/ICSSoft.WMS.WebAPI/ICSSoft.DataProject/ICSSoft.DataProject.csproj b/ICSSoft.WMS.WebAPI/ICSSoft.DataProject/ICSSoft.DataProject.csproj
index 874497c..ef4e78a 100644
--- a/ICSSoft.WMS.WebAPI/ICSSoft.DataProject/ICSSoft.DataProject.csproj
+++ b/ICSSoft.WMS.WebAPI/ICSSoft.DataProject/ICSSoft.DataProject.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>ICSSoft.DataProject</RootNamespace>
     <AssemblyName>ICSSoft.DataProject</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <Deterministic>true</Deterministic>
     <SccProjectName>
diff --git a/ICSSoft.WMS.WebAPI/ICSSoft.Entity/ICSSoft.Entity.csproj b/ICSSoft.WMS.WebAPI/ICSSoft.Entity/ICSSoft.Entity.csproj
index a502509..9e78533 100644
--- a/ICSSoft.WMS.WebAPI/ICSSoft.Entity/ICSSoft.Entity.csproj
+++ b/ICSSoft.WMS.WebAPI/ICSSoft.Entity/ICSSoft.Entity.csproj
@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>ICSSoft.Entity</RootNamespace>
     <AssemblyName>ICSSoft.Entity</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
     <SccProjectName>
diff --git a/ICSSoft.WMS.WebAPI/ICSSoft.WMS.WebAPI/ICSSoft.WMS.WebAPI.csproj b/ICSSoft.WMS.WebAPI/ICSSoft.WMS.WebAPI/ICSSoft.WMS.WebAPI.csproj
index 78772bc..0847450 100644
--- a/ICSSoft.WMS.WebAPI/ICSSoft.WMS.WebAPI/ICSSoft.WMS.WebAPI.csproj
+++ b/ICSSoft.WMS.WebAPI/ICSSoft.WMS.WebAPI/ICSSoft.WMS.WebAPI.csproj
@@ -14,7 +14,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>ICSSoft.WebAPI</RootNamespace>
     <AssemblyName>ICSSoft.WebAPI</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <MvcBuildViews>false</MvcBuildViews>
     <UseIISExpress>true</UseIISExpress>
     <Use64BitIISExpress />
diff --git a/ICSSoft.WMS.WebAPI/ICSSoft.WMS.WebAPI/Web.config b/ICSSoft.WMS.WebAPI/ICSSoft.WMS.WebAPI/Web.config
index 084ee49..02ea14a 100644
--- a/ICSSoft.WMS.WebAPI/ICSSoft.WMS.WebAPI/Web.config
+++ b/ICSSoft.WMS.WebAPI/ICSSoft.WMS.WebAPI/Web.config
@@ -23,7 +23,7 @@
       </system.Web>
   -->
   <system.web>
-    <compilation debug="true" targetFramework="4.8"/>
+    <compilation debug="true" targetFramework="4.6.1"/>
     <httpRuntime targetFramework="4.5"/>
   </system.web>
   <system.webServer>