diff --git a/anbs_cp/Extensions/GuidExtensions.cs b/anbs_cp/Extensions/GuidExtensions.cs
index 64c93d7..0670873 100644
--- a/anbs_cp/Extensions/GuidExtensions.cs
+++ b/anbs_cp/Extensions/GuidExtensions.cs
@@ -8,7 +8,14 @@ public static class GuidExtensions
     /// <summary>
     /// Проверяет Guid на пустоту
     /// </summary>
-    /// <param name="g">Guid</param>
+    /// <param name="g">Guid или null</param>
     /// <returns>Guid пуст (null) или равен Guid.Empty</returns>
     public static bool IsNullOrEmpty (this Guid? g) => g == null || g == Guid.Empty;
+
+    /// <summary>
+    /// Проверяет Guid на пустоту
+    /// </summary>
+    /// <param name="g">Guid</param>
+    /// <returns>Guid пуст (null) или равен Guid.Empty</returns>
+    public static bool IsNullOrEmpty (this Guid g) => g == Guid.Empty;
 }
\ No newline at end of file
diff --git a/anbs_cp/anbs_cp.csproj b/anbs_cp/anbs_cp.csproj
index f9953e6..c0a19be 100644
--- a/anbs_cp/anbs_cp.csproj
+++ b/anbs_cp/anbs_cp.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
-    <Version>2024.1.21</Version>
+    <Version>2024.1.22</Version>
     <Authors>Александр Бабаев</Authors>
     <Product>Набор компонентов ANB Software</Product>
     <Description>Библиотека полезных методов языка C#</Description>