diff --git a/Hi.Webapi.csproj b/Hi.Webapi.csproj
index a7708ea..24500c3 100644
--- a/Hi.Webapi.csproj
+++ b/Hi.Webapi.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net9.0</TargetFramework>
-    <Nullable>enable</Nullable>
+    <Nullable>disable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
 		<PlatformTarget>x64</PlatformTarget>
 		<Platforms>x64</Platforms>
diff --git a/Program.cs b/Program.cs
index 8ee8908..c71f486 100644
--- a/Program.cs
+++ b/Program.cs
@@ -2,6 +2,7 @@ using Hi.Disp;
 using Hi.Licenses;
 using Hi.Webapi.Hubs;
 using Hi.Webapi.Services;
+using Hi.Common.Messages;
 
 namespace Hi.Webapi
 {
@@ -53,7 +54,7 @@ namespace Hi.Webapi
             {
                 DispEngine.FinishDisp();
                 License.LogOutAll();
-                Console.WriteLine($"App exit.");
+                MessageKit.AddInfo($"App exit.");
             });
 
             // Configure the HTTP request pipeline.