diff --git a/README.md b/README.md
index 9e23557..622d0e0 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,8 @@ const app = express()
 
 app.use(createAuthMiddleware({
   provider: 'basic',
-  providerOptions: { username: 'test', password: 'test' }
+  username: 'test',
+  password: 'test'
 }))
 
 app.use((_req, res) => { res.end(`Welcome ${req.auth.session.user}!`) })
@@ -42,10 +43,8 @@ app.listen(3000)
 ```js
 app.use(createAuthMiddleware({
   provider: 'basic',
-  providerOptions: {
-    username: 'test',
-    password: 'test'
-  }
+  username: 'test',
+  password: 'test'
 }))
 ```
 
@@ -62,10 +61,8 @@ app.use(createAuthMiddleware({
 app.use(createAuthMiddleware({
   provider: 'github',
   sessionSecret: '...',
-  providerOptions: {
-    clientId: '...',
-    clientSecret: '...',
-  }
+  clientId: '...',
+  clientSecret: '...',
 }))
 ```
 
diff --git a/src/index.ts b/src/index.ts
index 6175ed4..b423421 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -7,7 +7,7 @@ const noop = () => { }
 
 export function createAuth (opts: CreateAuthOptions) {
   const providerCtor = providers[opts.provider || 'basic'] as AuthProvider
-  const provider = providerCtor(opts.providerOptions)
+  const provider = providerCtor(opts.providerOptions || opts)
 
   return {
     provider
diff --git a/src/types.ts b/src/types.ts
index 23d803b..9cc2dd8 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -45,4 +45,5 @@ export interface CreateAuthOptions {
   bypass?: boolean
   onAuthorize?: (authReses: AuthorizeResult, req: IncomingMessage) => void | Promise<void>
   unauthorizedTemplate?: string
+  [key: string]: any
 }
diff --git a/test/basic.ts b/test/basic.ts
index 9453d4d..63606ce 100644
--- a/test/basic.ts
+++ b/test/basic.ts
@@ -7,10 +7,8 @@ const app = createApp()
 app.useAsync(createAuthMiddleware({
   provider: 'basic',
   sessionSecret: 'secret',
-  providerOptions: {
-    username: 'test',
-    password: 'test'
-  }
+  username: 'test',
+  password: 'test'
 }))
 
 app.useAsync(req => `Welcome ${req.auth.session.user}!`)
diff --git a/test/bypass.ts b/test/bypass.ts
index 3920856..b7c8889 100644
--- a/test/bypass.ts
+++ b/test/bypass.ts
@@ -7,12 +7,10 @@ const app = createApp()
 app.useAsync(createAuthMiddleware({
   bypass: true,
   provider: 'basic',
-  providerOptions: {
-    username: 'test',
-    password: 'test'
-  }
+  username: 'test',
+  password: 'test'
 }))
 
-app.useAsync(req => `Welcome ${req.auth}!`)
+app.useAsync(req => `Welcome ${req.auth.session ? 'user' : 'guest'}!`)
 
 listen(app)
diff --git a/test/github.ts b/test/github.ts
index d528275..2f7273c 100644
--- a/test/github.ts
+++ b/test/github.ts
@@ -7,10 +7,8 @@ const app = createApp()
 app.useAsync(createAuthMiddleware({
   provider: 'github',
   sessionSecret: 'secret',
-  providerOptions: {
-    clientId: 'e41eb9a028ccaae6358a',
-    clientSecret: '16a88f9887fa7b24bc7290d8986b2c204f7878a9'
-  }
+  clientId: 'e41eb9a028ccaae6358a',
+  clientSecret: '16a88f9887fa7b24bc7290d8986b2c204f7878a9'
 }))
 
 app.useAsync(req => `Welcome ${req.auth.session.user}!`)