diff --git a/server/api/decorator/test2.ts b/server/api/decorator/test2.ts
index 0c91d09..3324dcb 100644
--- a/server/api/decorator/test2.ts
+++ b/server/api/decorator/test2.ts
@@ -1,7 +1,9 @@
 import { InvalidConversion } from "./base";
 
+type MayBePromise<T> = T | Promise<T>;
+
 export interface Converter<Out, In extends object = Record<string, never>> {
-    (inCtx: In, req: Request, res: Response): Out | InvalidConversion;
+    (inCtx: In, req: Request, res: Response): MayBePromise<Out | InvalidConversion>;
 }
 
 type Empty = Record<string, never>;
@@ -74,16 +76,16 @@ r1.userLevel;
 r2.userID;
 
 
-function test(req: Request, res: Response){
-    const a0 = ReqLogin()({}, req, res);
+async function test(req: Request, res: Response){
+    const a0 = await ReqLogin()({}, req, res);
     if('isInvalid' in a0){
         return false;
     }
-    const a1 = ParseUserLevel()(a0, req, res);
+    const a1 = await ParseUserLevel()(a0, req, res);
     if('isInvalid' in a1){
         return false;
     }
-    const a2 = ReqGameLogin()(a1, req, res);
+    const a2 = await ReqGameLogin()(a1, req, res);
     if('isInvalid' in a2){
         return false;
     }