diff --git a/app/Http/Controllers/AdminController.php b/app/Http/Controllers/AdminController.php
index 49a64cda..e36654d3 100644
--- a/app/Http/Controllers/AdminController.php
+++ b/app/Http/Controllers/AdminController.php
@@ -236,6 +236,7 @@ class AdminController extends Controller
         $recaptcha = Option::form('recaptcha', 'reCAPTCHA', function ($form) {
             $form->text('recaptcha_sitekey', 'sitekey');
             $form->text('recaptcha_secretkey', 'secretkey');
+            $form->checkbox('recaptcha_invisible')->label();
         })->handle();
 
         return view('admin.options')
diff --git a/app/Http/Controllers/AuthController.php b/app/Http/Controllers/AuthController.php
index ce0de1c3..51bb384a 100644
--- a/app/Http/Controllers/AuthController.php
+++ b/app/Http/Controllers/AuthController.php
@@ -88,6 +88,7 @@ class AuthController extends Controller
                 'extra' => [
                     'player' => option('register_with_player_name'),
                     'recaptcha' => option('recaptcha_sitekey'),
+                    'invisible' => (bool) option('recaptcha_invisible'),
                 ]
             ]);
         } else {
diff --git a/config/options.php b/config/options.php
index 613f7e51..11debf36 100644
--- a/config/options.php
+++ b/config/options.php
@@ -52,4 +52,5 @@ return [
     'cdn_address'               => '',
     'recaptcha_sitekey'         => '',
     'recaptcha_secretkey'       => '',
+    'recaptcha_invisible'       => 'false',
 ];
diff --git a/resources/assets/src/components/Captcha.vue b/resources/assets/src/components/Captcha.vue
index e605abc4..d6d09258 100644
--- a/resources/assets/src/components/Captcha.vue
+++ b/resources/assets/src/components/Captcha.vue
@@ -3,8 +3,9 @@
     <div class="col-xs-12" style="padding-bottom: 5px">
       <vue-recaptcha
         ref="recaptcha"
+        :size="invisible ? 'invisible' : ''"
         :sitekey="recaptcha"
-        @verify="$emit('change', $event)"
+        @verify="onVerify"
       />
     </div>
   </div>
@@ -13,10 +14,10 @@
       <div class="form-group has-feedback">
         <input
           ref="captcha"
+          v-model="value"
           type="text"
           class="form-control"
           :placeholder="$t('auth.captcha')"
-          @input="$emit('change', $event.target.value)"
         >
       </div>
     </div>
@@ -50,11 +51,26 @@ export default {
   },
   data() {
     return {
+      value: '',
       time: Date.now(),
       recaptcha: blessing.extra.recaptcha,
+      invisible: blessing.extra.invisible,
     }
   },
   methods: {
+    execute() {
+      return new Promise(resolve => {
+        if (this.invisible) {
+          this.$refs.recaptcha.$once('verify', resolve)
+          this.$refs.recaptcha.execute()
+        } else {
+          resolve(this.value)
+        }
+      })
+    },
+    onVerify(response) {
+      this.value = response
+    },
     refreshCaptcha() {
       if (this.recaptcha) {
         this.$refs.recaptcha.reset()
diff --git a/resources/assets/src/components/mixins/updateCaptcha.ts b/resources/assets/src/components/mixins/updateCaptcha.ts
deleted file mode 100644
index b74fb54e..00000000
--- a/resources/assets/src/components/mixins/updateCaptcha.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-import Vue from 'vue'
-
-export default Vue.extend({
-  data: () => ({
-    captcha: '',
-  }),
-  methods: {
-    updateCaptcha(value: string) {
-      this.captcha = value
-    },
-  },
-})
diff --git a/resources/assets/src/views/auth/Login.vue b/resources/assets/src/views/auth/Login.vue
index 52617def..84d53b43 100644
--- a/resources/assets/src/views/auth/Login.vue
+++ b/resources/assets/src/views/auth/Login.vue
@@ -1,5 +1,5 @@
 <template>
-  <form>
+  <form @submit.prevent="login">
     <div class="form-group has-feedback">
       <input
         ref="identification"
@@ -21,7 +21,7 @@
       <span class="glyphicon glyphicon-lock form-control-feedback" />
     </div>
 
-    <captcha v-if="tooManyFails" ref="captcha" @change="updateCaptcha" />
+    <captcha v-if="tooManyFails" ref="captcha" />
 
     <div class="callout callout-info" :class="{ hide: !infoMsg }">{{ infoMsg }}</div>
     <div class="callout callout-warning" :class="{ hide: !warningMsg }">{{ warningMsg }}</div>
@@ -47,7 +47,7 @@
         <button
           v-else
           class="btn btn-primary btn-block btn-flat"
-          @click.prevent="login"
+          type="submit"
         >
           {{ $t('auth.login') }}
         </button>
@@ -59,16 +59,12 @@
 <script>
 import { swal } from '../../js/notify'
 import Captcha from '../../components/Captcha.vue'
-import updateCaptcha from '../../components/mixins/updateCaptcha'
 
 export default {
   name: 'Login',
   components: {
     Captcha,
   },
-  mixins: [
-    updateCaptcha,
-  ],
   props: {
     baseUrl: {
       type: String,
@@ -79,7 +75,6 @@ export default {
     return {
       identification: '',
       password: '',
-      captcha: '',
       remember: false,
       tooManyFails: blessing.extra.tooManyFails,
       infoMsg: '',
@@ -90,7 +85,7 @@ export default {
   methods: {
     async login() {
       const {
-        identification, password, captcha, remember,
+        identification, password, remember,
       } = this
 
       if (!identification) {
@@ -114,7 +109,9 @@ export default {
           identification,
           password,
           keep: remember,
-          captcha: this.tooManyFails ? captcha : undefined,
+          captcha: this.tooManyFails
+            ? await this.$refs.captcha.execute()
+            : void 0,
         }
       )
       if (errno === 0) {
diff --git a/resources/assets/src/views/auth/Register.vue b/resources/assets/src/views/auth/Register.vue
index 7dde105b..50187e53 100644
--- a/resources/assets/src/views/auth/Register.vue
+++ b/resources/assets/src/views/auth/Register.vue
@@ -1,5 +1,5 @@
 <template>
-  <form>
+  <form @submit.prevent="submit">
     <div class="form-group has-feedback">
       <input
         ref="email"
@@ -80,7 +80,7 @@
         <button
           v-else
           class="btn btn-primary btn-block btn-flat"
-          @click.prevent="submit"
+          type="submit"
         >
           {{ $t('auth.register-button') }}
         </button>
@@ -92,16 +92,12 @@
 <script>
 import { swal } from '../../js/notify'
 import Captcha from '../../components/Captcha.vue'
-import updateCaptcha from '../../components/mixins/updateCaptcha'
 
 export default {
   name: 'Register',
   components: {
     Captcha,
   },
-  mixins: [
-    updateCaptcha,
-  ],
   props: {
     baseUrl: {
       type: String,
@@ -114,7 +110,6 @@ export default {
     confirm: '',
     nickname: '',
     playerName: '',
-    captcha: '',
     infoMsg: '',
     warningMsg: '',
     pending: false,
@@ -174,7 +169,7 @@ export default {
         Object.assign({
           email,
           password,
-          captcha,
+          captcha: await this.$refs.captcha.execute(),
         }, this.requirePlayer ? { player_name: playerName } : { nickname })
       )
       if (errno === 0) {
diff --git a/resources/assets/tests/components/Captcha.test.ts b/resources/assets/tests/components/Captcha.test.ts
index 3a701e54..067b01b6 100644
--- a/resources/assets/tests/components/Captcha.test.ts
+++ b/resources/assets/tests/components/Captcha.test.ts
@@ -2,6 +2,14 @@ import Vue from 'vue'
 import { mount } from '@vue/test-utils'
 import Captcha from '@/components/Captcha.vue'
 
+const VueRecaptcha = Vue.extend({
+  methods: {
+    execute() {
+      this.$emit('verify', 'value')
+    },
+  },
+})
+
 test('display recaptcha', () => {
   blessing.extra = { recaptcha: 'sitekey' }
   const wrapper = mount(Captcha)
@@ -13,12 +21,28 @@ test('refresh recaptcha', () => {
   wrapper.vm.refreshCaptcha()
 })
 
-test('display characters captcha', () => {
+test('recaptcha verified', () => {
+  const wrapper =
+    mount<Vue & { onVerify(response: string): void, value: string }>(Captcha)
+  wrapper.vm.onVerify('value')
+  expect(wrapper.vm.value).toBe('value')
+})
+
+test('invoke recaptcha', async () => {
+  const wrapper = mount<Vue & { execute(): Promise<string> }>(Captcha, { stubs: { VueRecaptcha } })
+  wrapper.setData({ invisible: true })
+  expect(await wrapper.vm.execute()).toBe('value')
+
+  wrapper.setData({ invisible: false, value: 'haha' })
+  expect(await wrapper.vm.execute()).toBe('haha')
+})
+
+test('display characters captcha', async () => {
   blessing.extra = {}
-  const wrapper = mount(Captcha)
+  const wrapper = mount<Vue & { execute(): Promise<string> }>(Captcha)
   expect(wrapper.find('img').exists()).toBeTrue()
   wrapper.find('input').setValue('abc')
-  expect(wrapper.emitted().change[0][0]).toBe('abc')
+  expect(await wrapper.vm.execute()).toBe('abc')
 })
 
 test('refresh captcha', () => {
diff --git a/resources/assets/tests/components/mixins/updateCaptcha.test.ts b/resources/assets/tests/components/mixins/updateCaptcha.test.ts
deleted file mode 100644
index 6e77ac22..00000000
--- a/resources/assets/tests/components/mixins/updateCaptcha.test.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-import { mount } from '@vue/test-utils'
-import updateCaptcha from '@/components/mixins/updateCaptcha'
-
-test('update captcha', () => {
-  const wrapper = mount(updateCaptcha)
-  wrapper.vm.updateCaptcha('value')
-  expect(wrapper.vm.captcha).toBe('value')
-})
diff --git a/resources/assets/tests/views/auth/Login.test.ts b/resources/assets/tests/views/auth/Login.test.ts
index 7460605f..7382cfae 100644
--- a/resources/assets/tests/views/auth/Login.test.ts
+++ b/resources/assets/tests/views/auth/Login.test.ts
@@ -5,6 +5,16 @@ import { swal } from '@/js/notify'
 
 jest.mock('@/js/notify')
 
+const Captcha = Vue.extend({
+  methods: {
+    execute() {
+      return Promise.resolve('a')
+    },
+    refreshCaptcha() { /* */ },
+  },
+  template: '<img>',
+})
+
 test('show captcha if too many login fails', () => {
   window.blessing.extra = { tooManyFails: true }
   const wrapper = mount(Login)
@@ -17,22 +27,22 @@ test('login', async () => {
     .mockResolvedValueOnce({ errno: 1, msg: 'fail' })
     .mockResolvedValueOnce({ errno: 1, login_fails: 4 })
     .mockResolvedValueOnce({ errno: 0, msg: 'ok' })
-  const wrapper = mount(Login)
-  const button = wrapper.find('button')
+  const wrapper = mount(Login, { stubs: { Captcha } })
+  const form = wrapper.find('form')
   const info = wrapper.find('.callout-info')
   const warning = wrapper.find('.callout-warning')
 
-  button.trigger('click')
+  form.trigger('submit')
   expect(Vue.prototype.$http.post).not.toBeCalled()
   expect(info.text()).toBe('auth.emptyIdentification')
 
   wrapper.find('[type="email"]').setValue('a@b.c')
-  button.trigger('click')
+  form.trigger('submit')
   expect(Vue.prototype.$http.post).not.toBeCalled()
   expect(info.text()).toBe('auth.emptyPassword')
 
   wrapper.find('[type="password"]').setValue('123')
-  button.trigger('click')
+  form.trigger('submit')
   await wrapper.vm.$nextTick()
   expect(Vue.prototype.$http.post).toBeCalledWith(
     '/auth/login',
@@ -42,14 +52,14 @@ test('login', async () => {
   )
   expect(warning.text()).toBe('fail')
 
-  button.trigger('click')
+  form.trigger('submit')
   await wrapper.vm.$nextTick()
   expect(swal).toBeCalledWith({ type: 'error', text: 'auth.tooManyFails' })
   expect(wrapper.find('img').exists()).toBeTrue()
 
-  wrapper.find('[type="text"]').setValue('a')
   wrapper.find('[type="checkbox"]').setChecked()
-  button.trigger('click')
+  form.trigger('submit')
+  await wrapper.vm.$nextTick()
   expect(Vue.prototype.$http.post).toBeCalledWith(
     '/auth/login',
     {
diff --git a/resources/assets/tests/views/auth/Register.test.ts b/resources/assets/tests/views/auth/Register.test.ts
index 12e2858c..453f82dc 100644
--- a/resources/assets/tests/views/auth/Register.test.ts
+++ b/resources/assets/tests/views/auth/Register.test.ts
@@ -2,11 +2,21 @@ import Vue from 'vue'
 import { mount } from '@vue/test-utils'
 import Register from '@/views/auth/Register.vue'
 import { swal } from '@/js/notify'
+import { flushPromises } from '../../utils'
 
 jest.mock('@/js/notify')
 
 window.blessing.extra = { player: false }
 
+const Captcha = Vue.extend({
+  methods: {
+    execute() {
+      return Promise.resolve('captcha')
+    },
+    refreshCaptcha() { /* */ },
+  },
+})
+
 test('require player name', () => {
   window.blessing.extra = { player: true }
 
@@ -22,54 +32,52 @@ test('register', async () => {
   Vue.prototype.$http.post
     .mockResolvedValueOnce({ errno: 1, msg: 'fail' })
     .mockResolvedValueOnce({ errno: 0, msg: 'ok' })
-  const wrapper = mount(Register)
-  const button = wrapper.find('button')
+  const wrapper = mount(Register, { stubs: { Captcha } })
+  const form = wrapper.find('form')
   const info = wrapper.find('.callout-info')
   const warning = wrapper.find('.callout-warning')
 
-  button.trigger('click')
+  form.trigger('submit')
   expect(Vue.prototype.$http.post).not.toBeCalled()
   expect(info.text()).toBe('auth.emptyEmail')
 
   wrapper.find('[type="email"]').setValue('a')
-  button.trigger('click')
+  form.trigger('submit')
   expect(Vue.prototype.$http.post).not.toBeCalled()
   expect(info.text()).toBe('auth.invalidEmail')
 
   wrapper.find('[type="email"]').setValue('a@b.c')
-  button.trigger('click')
+  form.trigger('submit')
   expect(Vue.prototype.$http.post).not.toBeCalled()
   expect(info.text()).toBe('auth.emptyPassword')
 
   wrapper.findAll('[type="password"]').at(0)
     .setValue('123456')
-  button.trigger('click')
+  form.trigger('submit')
   expect(Vue.prototype.$http.post).not.toBeCalled()
   expect(info.text()).toBe('auth.invalidPassword')
 
   wrapper.findAll('[type="password"]').at(0)
     .setValue('12345678')
-  button.trigger('click')
+  form.trigger('submit')
   expect(Vue.prototype.$http.post).not.toBeCalled()
   expect(info.text()).toBe('auth.invalidConfirmPwd')
 
   wrapper.findAll('[type="password"]').at(1)
     .setValue('123456')
-  button.trigger('click')
+  form.trigger('submit')
   expect(Vue.prototype.$http.post).not.toBeCalled()
   expect(info.text()).toBe('auth.invalidConfirmPwd')
 
   wrapper.findAll('[type="password"]').at(1)
     .setValue('12345678')
-  button.trigger('click')
+  form.trigger('submit')
   expect(Vue.prototype.$http.post).not.toBeCalled()
   expect(info.text()).toBe('auth.emptyNickname')
 
   wrapper.findAll('[type="text"]').at(0)
     .setValue('abc')
-  wrapper.findAll('[type="text"]').at(1)
-    .setValue('captcha')
-  button.trigger('click')
+  form.trigger('submit')
   await wrapper.vm.$nextTick()
   expect(Vue.prototype.$http.post).toBeCalledWith(
     '/auth/register',
@@ -80,11 +88,11 @@ test('register', async () => {
       captcha: 'captcha',
     }
   )
-  expect(warning.text()).toBe('fail')
-  expect(Date.now).toBeCalledTimes(2)
-
-  button.trigger('click')
   await wrapper.vm.$nextTick()
+  expect(warning.text()).toBe('fail')
+
+  form.trigger('submit')
+  await flushPromises()
   jest.runAllTimers()
   expect(swal).toBeCalledWith({ type: 'success', text: 'ok' })
 })
@@ -92,24 +100,22 @@ test('register', async () => {
 test('register with player name', async () => {
   window.blessing.extra = { player: true }
   Vue.prototype.$http.post.mockResolvedValue({ errno: 0, msg: 'ok' })
-  const wrapper = mount(Register)
-  const button = wrapper.find('button')
+  const wrapper = mount(Register, { stubs: { Captcha } })
+  const form = wrapper.find('form')
   const info = wrapper.find('.callout-info')
   wrapper.find('[type="email"]').setValue('a@b.c')
   wrapper.findAll('[type="password"]').at(0)
     .setValue('12345678')
   wrapper.findAll('[type="password"]').at(1)
     .setValue('12345678')
-  wrapper.findAll('[type="text"]').at(1)
-    .setValue('captcha')
 
-  button.trigger('click')
+  form.trigger('submit')
   expect(Vue.prototype.$http.post).not.toBeCalled()
   expect(info.text()).toBe('auth.emptyPlayerName')
 
   wrapper.findAll('[type="text"]').at(0)
     .setValue('abc')
-  button.trigger('click')
+  form.trigger('submit')
   await wrapper.vm.$nextTick()
   expect(Vue.prototype.$http.post).toBeCalledWith(
     '/auth/register',
diff --git a/resources/lang/en/options.yml b/resources/lang/en/options.yml
index 627462dc..c7281ce6 100644
--- a/resources/lang/en/options.yml
+++ b/resources/lang/en/options.yml
@@ -146,6 +146,11 @@ meta:
   meta_extras:
     title: Other Custom <meta> Tags
 
+recaptcha:
+  recaptcha_invisible:
+    title: Invisible
+    label: Enable Invisible Mode
+
 res-warning: This page is ONLY for advanced users. If you aren't familiar with these, please don't modify them!
 
 resources:
diff --git a/resources/lang/zh_CN/options.yml b/resources/lang/zh_CN/options.yml
index c7a4bead..cd2c4e4e 100644
--- a/resources/lang/zh_CN/options.yml
+++ b/resources/lang/zh_CN/options.yml
@@ -146,6 +146,11 @@ meta:
   meta_extras:
     title: 其它自定义 <meta> 标签
 
+recaptcha:
+  recaptcha_invisible:
+    title: 隐藏
+    label: 开启隐藏式人机验证模式
+
 res-warning: 本页面仅供高级用户使用。如果您不清楚这些设置的含义，请不要随意修改它们！
 
 resources:
diff --git a/resources/views/auth/login.blade.php b/resources/views/auth/login.blade.php
index da920dc5..5b5a4ef2 100644
--- a/resources/views/auth/login.blade.php
+++ b/resources/views/auth/login.blade.php
@@ -24,13 +24,17 @@
 </div>
 <!-- /.login-box -->
 @include('common.recaptcha')
+@php
+$extra = [
+    'tooManyFails' => cache(sha1('login_fails_'.get_client_ip())) > 3,
+    'recaptcha' => option('recaptcha_sitekey'),
+    'invisible' => (bool) option('recaptcha_invisible'),
+];
+@endphp
 <script>
 Object.defineProperty(blessing, 'extra', {
     configurable: false,
-    get: () => Object.freeze(@json([
-        'tooManyFails' => cache(sha1('login_fails_'.get_client_ip())) > 3,
-        'recaptcha' => option('recaptcha_sitekey'),
-    ]))
+    get: () => Object.freeze(@json($extra))
 })
 </script>
 
diff --git a/tests/AdminControllerTest.php b/tests/AdminControllerTest.php
index 3ee73df9..f7bfc1ea 100644
--- a/tests/AdminControllerTest.php
+++ b/tests/AdminControllerTest.php
@@ -163,9 +163,11 @@ class AdminControllerTest extends BrowserKitTestCase
         $this->visit('/admin/options')
             ->type('key', 'recaptcha_sitekey')
             ->type('secret', 'recaptcha_secretkey')
+            ->check('recaptcha_invisible')
             ->press('submit_recaptcha');
         $this->assertEquals('key', option('recaptcha_sitekey'));
         $this->assertEquals('secret', option('recaptcha_secretkey'));
+        $this->assertTrue(option('recaptcha_invisible'));
     }
 
     public function testResource()