diff --git a/Falcon.SugarApi/Swagger/SwaggerBasicAuthMiddleware.cs b/Falcon.SugarApi/Swagger/SwaggerBasicAuthMiddleware.cs
index 3cd0129..a2797fb 100644
--- a/Falcon.SugarApi/Swagger/SwaggerBasicAuthMiddleware.cs
+++ b/Falcon.SugarApi/Swagger/SwaggerBasicAuthMiddleware.cs
@@ -39,6 +39,10 @@ namespace Falcon.SugarApi.Swagger
         /// <param name="context">HttpContext</param>
         /// <returns>任务</returns>
         public virtual async Task InvokeAsync(HttpContext context) {
+            if(this.Options == null) {
+                await ToNext(context);
+                return;
+            }
             if(!this.Options.UseAuth) {
                 await ToNext(context);
                 return;