diff --git a/apps/server/src/Core/MyServer.ts b/apps/server/src/Core/MyServer.ts
index 45b3fd2..0f77981 100644
--- a/apps/server/src/Core/MyServer.ts
+++ b/apps/server/src/Core/MyServer.ts
@@ -57,7 +57,7 @@ export class MyServer extends EventEmitter {
     })
   }
 
-  setApi<T extends keyof IModel["api"]>(name: T, cb: (connection: Connection, args: IModel["api"][T]["res"]) => void) {
+  setApi<T extends keyof IModel["api"]>(name: T, cb: (connection: Connection, args: IModel["api"][T]["req"]) => IModel["api"][T]["res"]) {
     this.apiMap.set(name, cb)
   }
 }