diff --git a/PLibs/ExcelHelper/ExcelHelper.cs b/PLibs/ExcelHelper/ExcelHelper.cs
index baf67eb..4876db6 100644
--- a/PLibs/ExcelHelper/ExcelHelper.cs
+++ b/PLibs/ExcelHelper/ExcelHelper.cs
@@ -7,7 +7,7 @@ using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
 
-namespace ExcelHelper
+namespace ExcelHelperFW
 {
     public class ExcelHelper
     {
diff --git a/PLibs/ExcelHelper/ExcelHelper.csproj b/PLibs/ExcelHelper/ExcelHelperFW.csproj
similarity index 96%
rename from PLibs/ExcelHelper/ExcelHelper.csproj
rename to PLibs/ExcelHelper/ExcelHelperFW.csproj
index 6150c28..e050873 100644
--- a/PLibs/ExcelHelper/ExcelHelper.csproj
+++ b/PLibs/ExcelHelper/ExcelHelperFW.csproj
@@ -7,8 +7,8 @@
     <ProjectGuid>{FFEDB9F8-4285-493B-A30E-900C53D0CB55}</ProjectGuid>
     <OutputType>Library</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>ExcelHelper</RootNamespace>
-    <AssemblyName>ExcelHelper</AssemblyName>
+    <RootNamespace>ExcelHelperFW</RootNamespace>
+    <AssemblyName>ExcelHelperFW</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <Deterministic>true</Deterministic>
diff --git a/PLibs/PLibs.sln b/PLibs/PLibs.sln
index ce68421..410fef8 100644
--- a/PLibs/PLibs.sln
+++ b/PLibs/PLibs.sln
@@ -3,11 +3,11 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.8.34511.84
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ExcelHelper", "ExcelHelper\ExcelHelper.csproj", "{FFEDB9F8-4285-493B-A30E-900C53D0CB55}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ExcelHelperFW", "ExcelHelper\ExcelHelperFW.csproj", "{FFEDB9F8-4285-493B-A30E-900C53D0CB55}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ExcelHelperCore", "ExcelHelperCore\ExcelHelperCore.csproj", "{0DC75403-4084-462B-936B-FA86EA90811B}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PdfHelper", "PdfHelper\PdfHelper.csproj", "{4F62138C-7B92-4FF8-8CB3-F37980AE99F2}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PdfHelperFW", "PdfHelper\PdfHelperFW.csproj", "{4F62138C-7B92-4FF8-8CB3-F37980AE99F2}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/PLibs/PdfHelper/PdfHelper.cs b/PLibs/PdfHelper/PdfHelper.cs
index 8828ca0..a3f5099 100644
--- a/PLibs/PdfHelper/PdfHelper.cs
+++ b/PLibs/PdfHelper/PdfHelper.cs
@@ -6,7 +6,7 @@ using System.Data;
 using System.Linq;
 using System.Text;
 
-namespace PdfHelper
+namespace PdfHelperFW
 {
     public class PdfHelper
     {
diff --git a/PLibs/PdfHelper/PdfHelper.csproj b/PLibs/PdfHelper/PdfHelperFW.csproj
similarity index 96%
rename from PLibs/PdfHelper/PdfHelper.csproj
rename to PLibs/PdfHelper/PdfHelperFW.csproj
index 7a8b740..11756fa 100644
--- a/PLibs/PdfHelper/PdfHelper.csproj
+++ b/PLibs/PdfHelper/PdfHelperFW.csproj
@@ -7,8 +7,8 @@
     <ProjectGuid>{4F62138C-7B92-4FF8-8CB3-F37980AE99F2}</ProjectGuid>
     <OutputType>Library</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>PdfHelper</RootNamespace>
-    <AssemblyName>PdfHelper</AssemblyName>
+    <RootNamespace>PdfHelperFW</RootNamespace>
+    <AssemblyName>PdfHelperFW</AssemblyName>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <Deterministic>true</Deterministic>