diff --git a/types/koa-passport/index.d.ts b/types/koa-passport/index.d.ts
index 34fe0da391..0a011a06d5 100644
--- a/types/koa-passport/index.d.ts
+++ b/types/koa-passport/index.d.ts
@@ -21,8 +21,7 @@ import * as passport from "passport";
 
 declare module "koa" {
     interface Context {
-        login(user: any): Promise<void>;
-        login(user: any, options: any): Promise<void>;
+        login(user: any, options?: any): Promise<void>;
         logIn: Context["login"];
 
         logout(): void;
@@ -33,9 +32,7 @@ declare module "koa" {
     }
 }
 
-
 declare namespace KoaPassport {
-
     class KoaPassport {
         use(strategy: passport.Strategy): this;
         use(name: string, strategy: passport.Strategy): this;
diff --git a/types/koa-passport/koa-passport-tests.ts b/types/koa-passport/koa-passport-tests.ts
index c4c3948b92..42827a85ba 100644
--- a/types/koa-passport/koa-passport-tests.ts
+++ b/types/koa-passport/koa-passport-tests.ts
@@ -2,13 +2,11 @@ import * as Koa from 'koa';
 import * as passport from 'koa-passport';
 
 const app = new Koa();
-let ctx: Koa.Context;
-
 
 app.use(passport.initialize());
 app.use(passport.session());
 
-app.use(async (ctx: Koa.Context): Promise<void> => {
+app.use(async (ctx): Promise<void> => {
     ctx.isAuthenticated();
     ctx.isUnauthenticated();
     ctx.login({});
@@ -16,8 +14,7 @@ app.use(async (ctx: Koa.Context): Promise<void> => {
     ctx.state.user;
 });
 
-
-app.use(async (ctx: Koa.Context, next: () => Promise<any>) => {
+app.use(async (ctx, next) => {
     return passport.authenticate('local', (user: any, info: any, status: any) => {
         if (user === false) {
             ctx.status = 401;