diff --git a/podgotovka/ERD.drawio.pdf b/podgotovka/ERD.drawio.pdf
new file mode 100644
index 0000000..7c687f8
Binary files /dev/null and b/podgotovka/ERD.drawio.pdf differ
diff --git a/podgotovka/podgotovka.csproj b/podgotovka/podgotovka.csproj
index bd7863a..be13aa3 100644
--- a/podgotovka/podgotovka.csproj
+++ b/podgotovka/podgotovka.csproj
@@ -107,10 +107,12 @@
       <Generator>ResXFileCodeGenerator</Generator>
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
     </EmbeddedResource>
+    <None Include="ERD.drawio.pdf" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
     </None>
+    <None Include="Диаграмма ERD.vsdx" />
   </ItemGroup>
   <ItemGroup>
     <None Include="App.config" />
diff --git a/podgotovka/Диаграмма ERD.vsdx b/podgotovka/Диаграмма ERD.vsdx
new file mode 100644
index 0000000..e1763f6
Binary files /dev/null and b/podgotovka/Диаграмма ERD.vsdx differ