diff --git a/AIProofread/AIProofread.csproj b/AIProofread/AIProofread.csproj
index 7b4e79f..8cf0eee 100644
--- a/AIProofread/AIProofread.csproj
+++ b/AIProofread/AIProofread.csproj
@@ -389,6 +389,7 @@
     <Compile Include="Model\DocumentList.cs" />
     <Compile Include="Model\ExportDataItem.cs" />
     <Compile Include="Model\InsertMarkData.cs" />
+    <Compile Include="Model\ProofreadRangeInfo.cs" />
     <Compile Include="ProofreadItem.cs" />
     <Compile Include="Properties\AssemblyInfo.cs">
       <SubType>Code</SubType>