diff --git a/GPW_Admin/packages.config b/GPW_Admin/packages.config
index b0ba7b2..0b773dc 100644
--- a/GPW_Admin/packages.config
+++ b/GPW_Admin/packages.config
@@ -27,7 +27,7 @@
   <package id="Microsoft.CodeAnalysis.VersionCheckAnalyzer" version="2.9.8" targetFramework="net462" developmentDependency="true" />
   <package id="Microsoft.CodeQuality.Analyzers" version="2.9.8" targetFramework="net462" developmentDependency="true" />
   <package id="Microsoft.NetCore.Analyzers" version="2.9.8" targetFramework="net462" developmentDependency="true" />
-  <package id="Microsoft.NETCore.Platforms" version="3.1.0" targetFramework="net462" />
+  <package id="Microsoft.NETCore.Platforms" version="3.1.2" targetFramework="net462" />
   <package id="Microsoft.NetFramework.Analyzers" version="2.9.8" targetFramework="net462" developmentDependency="true" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net462" />
   <package id="Microsoft.Web.RedisSessionStateProvider" version="4.0.1" targetFramework="net462" />
diff --git a/GPW_Barcode/packages.config b/GPW_Barcode/packages.config
index 649f60c..310cef0 100644
--- a/GPW_Barcode/packages.config
+++ b/GPW_Barcode/packages.config
@@ -18,7 +18,7 @@
   <package id="Microsoft.AspNet.Web.Optimization" version="1.1.3" targetFramework="net462" />
   <package id="Microsoft.AspNet.Web.Optimization.WebForms" version="1.1.3" targetFramework="net462" />
   <package id="Microsoft.Bcl.AsyncInterfaces" version="1.1.1" targetFramework="net462" />
-  <package id="Microsoft.NETCore.Platforms" version="3.1.0" targetFramework="net462" />
+  <package id="Microsoft.NETCore.Platforms" version="3.1.2" targetFramework="net462" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net462" />
   <package id="Modernizr" version="2.8.3" targetFramework="net462" />
   <package id="MongoDB.Bson" version="2.11.1" targetFramework="net462" />
diff --git a/GPW_Data/packages.config b/GPW_Data/packages.config
index 3821c79..3cc1936 100644
--- a/GPW_Data/packages.config
+++ b/GPW_Data/packages.config
@@ -5,7 +5,7 @@
   <package id="Crc32C.NET" version="1.0.5.0" targetFramework="net462" />
   <package id="DnsClient" version="1.3.2" targetFramework="net462" />
   <package id="Microsoft.Bcl.AsyncInterfaces" version="1.1.1" targetFramework="net462" />
-  <package id="Microsoft.NETCore.Platforms" version="3.1.0" targetFramework="net462" />
+  <package id="Microsoft.NETCore.Platforms" version="3.1.2" targetFramework="net462" />
   <package id="MongoDB.Bson" version="2.11.1" targetFramework="net462" />
   <package id="MongoDB.Driver" version="2.11.1" targetFramework="net462" />
   <package id="MongoDB.Driver.Core" version="2.11.1" targetFramework="net462" />
diff --git a/GPW_Smart/packages.config b/GPW_Smart/packages.config
index d39c2dd..829928a 100644
--- a/GPW_Smart/packages.config
+++ b/GPW_Smart/packages.config
@@ -30,7 +30,7 @@
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.7" targetFramework="net462" />
   <package id="Microsoft.AspNet.WebApi.WebHost.it" version="5.2.7" targetFramework="net462" />
   <package id="Microsoft.Bcl.AsyncInterfaces" version="1.1.1" targetFramework="net462" />
-  <package id="Microsoft.NETCore.Platforms" version="3.1.0" targetFramework="net462" />
+  <package id="Microsoft.NETCore.Platforms" version="3.1.2" targetFramework="net462" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net462" />
   <package id="Microsoft.Web.RedisSessionStateProvider" version="4.0.1" targetFramework="net462" />
   <package id="Modernizr" version="2.8.3" targetFramework="net462" />