diff --git a/src/Token.Module/Extensions/DependencyExtensions.cs b/src/Token.Module/Extensions/DependencyExtensions.cs
index 95ad787bac9951ddcc2a3038bb614f79ab6c2d4a..12d00822f9694b07fcaef53cfa0ac7801a929dcd 100644
--- a/src/Token.Module/Extensions/DependencyExtensions.cs
+++ b/src/Token.Module/Extensions/DependencyExtensions.cs
@@ -24,30 +24,30 @@ public static class DependencyExtensions
 
             if (interfaces != null)
             {
-                if (typeof(ITransientDependency).IsAssignableFrom(t))
+                if (t.IsAssignableFrom<ITransientDependency>())
                 {
                     services.AddTransient(interfaces, t);
                 }
-                else if (typeof(IScopedDependency).IsAssignableFrom(t))
+                else if (t.IsAssignableFrom<IScopedDependency>())
                 {
                     services.AddScoped(interfaces, t);
                 }
-                else if (typeof(ISingletonDependency).IsAssignableFrom(t))
+                else if (t.IsAssignableFrom<ISingletonDependency>())
                 {
                     services.AddSingleton(interfaces, t);
                 }
             }
             else
             {
-                if (typeof(ITransientDependency).IsAssignableFrom(t))
+                if (t.IsAssignableFrom<ITransientDependency>())
                 {
                     services.AddTransient(t);
                 }
-                else if (typeof(IScopedDependency).IsAssignableFrom(t))
+                else if (t.IsAssignableFrom<IScopedDependency>())
                 {
                     services.AddScoped(t);
                 }
-                else if (typeof(ISingletonDependency).IsAssignableFrom(t))
+                else if (t.IsAssignableFrom<ISingletonDependency>())
                 {
                     services.AddSingleton(t);
                 }
diff --git a/src/Token.Module/Extensions/InterfaceExtensions.cs b/src/Token.Module/Extensions/InterfaceExtensions.cs
new file mode 100644
index 0000000000000000000000000000000000000000..348c6d00a2fcb18b0805e0a2e6f1572fb49b4dca
--- /dev/null
+++ b/src/Token.Module/Extensions/InterfaceExtensions.cs
@@ -0,0 +1,9 @@
+using System;
+
+namespace Token.Module.Extensions;
+
+public static class InterfaceExtensions
+{
+    public static bool IsAssignableFrom<T>(this Type t) =>
+        typeof(T).IsAssignableFrom(t);
+}
\ No newline at end of file
diff --git a/src/Token.Module/Extensions/ServiceCollectionApplicationExtensions.cs b/src/Token.Module/Extensions/ServiceCollectionApplicationExtensions.cs
index 0b1e5c9963c583930021051ce70f8506c098ca81..e45da148db0955aef1d47d60299b5bdf3b2c246e 100644
--- a/src/Token.Module/Extensions/ServiceCollectionApplicationExtensions.cs
+++ b/src/Token.Module/Extensions/ServiceCollectionApplicationExtensions.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using System.Reflection;
 using Microsoft.Extensions.DependencyInjection;
@@ -74,8 +74,7 @@ public static class ServiceCollectionApplicationExtensions
 
     private static async Task GetModuleTypeAsync(Type type, ICollection<Tuple<ITokenModule, int>> types)
     {
-        var iTokenModule = typeof(ITokenModule);
-        if (!iTokenModule.IsAssignableFrom(type))
+        if (!type.IsAssignableFrom<ITokenModule>())
         {
             return;
         }
@@ -87,7 +86,8 @@ public static class ServiceCollectionApplicationExtensions
 
         // 获取DependOn特性注入的模块
         var attributes = type.GetCustomAttributes().OfType<DependOnAttribute>()
-            .SelectMany(x => x.Type).Where(x => iTokenModule.IsAssignableFrom(x));
+            .SelectMany(x => x.Type).Where(x=>x.IsAssignableFrom<ITokenModule>());
+        
 
         foreach (var t in attributes)
         {
diff --git a/src/Token.Module/TokenModule.cs b/src/Token.Module/TokenModule.cs
index 7248950bbd314ca82af646f5cc75c6cd4f7116c9..37ba755673560aa057f25f5523c8d8a0799beb27 100644
--- a/src/Token.Module/TokenModule.cs
+++ b/src/Token.Module/TokenModule.cs
@@ -11,7 +11,7 @@ public abstract class TokenModule : ITokenModule
 
     public virtual Task ConfigureServicesAsync(IServiceCollection services)
     {
-        _serviceCollection = services;
+        _serviceCollection = services ?? throw new ArgumentNullException(nameof(services));
         ConfigureServices(services);
         return Task.CompletedTask;
     }