fix

Application/Extensions/ServiceCollectionExtensions.cs

@@ -0,0 +1,36 @@
+namespace Application.Extensions;
+
+/// <summary>
+/// Application层服务注册扩展
+/// </summary>
+public static class ServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册所有Application层服务
+    /// </summary>
+    public static IServiceCollection AddApplicationServices(this IServiceCollection services)
+    {
+        // 获取Application层程序集
+        var assembly = typeof(ServiceCollectionExtensions).Assembly;
+
+        // 自动注册所有以"Application"结尾的类
+        // 匹配接口规则: IXxxApplication -> XxxApplication
+        var applicationTypes = assembly.GetTypes()
+            .Where(t => t.IsClass && !t.IsAbstract && t.Name.EndsWith("Application"))
+            .ToList();
+
+        foreach (var implementationType in applicationTypes)
+        {
+            // 查找对应的接口 IXxxApplication
+            var interfaceType = implementationType.GetInterfaces()
+                .FirstOrDefault(i => i.Name == $"I{implementationType.Name}");
+
+            if (interfaceType != null)
+            {
+                services.AddScoped(interfaceType, implementationType);
+            }
+        }
+
+        return services;
+    }
+}