diff --git a/components.d.ts b/components.d.ts
index 1ea6ec5..371fa2f 100644
--- a/components.d.ts
+++ b/components.d.ts
@@ -11,6 +11,8 @@ declare module '@vue/runtime-core' {
     ElAside: typeof import('element-plus/es')['ElAside']
     ElButton: typeof import('element-plus/es')['ElButton']
     ElCard: typeof import('element-plus/es')['ElCard']
+    ElCheckboxButton: typeof import('element-plus/es')['ElCheckboxButton']
+    ElCheckboxGroup: typeof import('element-plus/es')['ElCheckboxGroup']
     ElCol: typeof import('element-plus/es')['ElCol']
     ElConfigProvider: typeof import('element-plus/es')['ElConfigProvider']
     ElContainer: typeof import('element-plus/es')['ElContainer']
@@ -34,8 +36,6 @@ declare module '@vue/runtime-core' {
     ElMenuItem: typeof import('element-plus/es')['ElMenuItem']
     ElOption: typeof import('element-plus/es')['ElOption']
     ElPagination: typeof import('element-plus/es')['ElPagination']
-    ElRadioButton: typeof import('element-plus/es')['ElRadioButton']
-    ElRadioGroup: typeof import('element-plus/es')['ElRadioGroup']
     ElRow: typeof import('element-plus/es')['ElRow']
     ElSelect: typeof import('element-plus/es')['ElSelect']
     ElSubMenu: typeof import('element-plus/es')['ElSubMenu']
diff --git a/src/components/CaptchaPanel.vue b/src/components/CaptchaPanel.vue
index 3831009..a0ab03c 100644
--- a/src/components/CaptchaPanel.vue
+++ b/src/components/CaptchaPanel.vue
@@ -1,9 +1,9 @@
 <template>
-  <div ref="captchaBoxRef" class="captcha-panel"></div>
+  <div ref="captchaBoxRef"></div>
 </template>
 
 <script setup lang="ts">
-import { computed, nextTick, onBeforeUnmount, ref } from 'vue'
+import { nextTick, onBeforeUnmount, ref } from 'vue'
 import {
   createTianAiCaptcha,
   type TianAiCaptchaConfig,
@@ -13,17 +13,15 @@ import {
 } from '@/vendor/tianai-captcha'
 
 type CaptchaMode = 'data' | 'validate'
-type CaptchaType = 'RANDOM' | 'SLIDER' | 'ROTATE' | 'CONCAT' | 'WORD_IMAGE_CLICK'
+type CaptchaType = 'SLIDER' | 'ROTATE' | 'CONCAT' | 'WORD_IMAGE_CLICK'
 
 const props = withDefaults(defineProps<{
   mode?: CaptchaMode
-  type?: CaptchaType
-  validCaptchaUrl?: string
-  requestHeaders?: Record<string, string>
+  types?: CaptchaType[]
   styleConfig?: TianAiCaptchaStyle
 }>(), {
   mode: 'data',
-  type: 'RANDOM'
+  types: () => []
 })
 
 const emit = defineEmits<{
@@ -38,17 +36,8 @@ const emit = defineEmits<{
 const captchaBoxRef = ref<HTMLElement | null>(null)
 const captchaInstance = ref<TianAiCaptchaInstance | null>(null)
 const active = ref(false)
-const requestCaptchaBaseUrl = buildCaptchaApiUrl('/captcha/gen')
-const resolvedValidCaptchaUrl = computed(() => {
-  return props.validCaptchaUrl || buildCaptchaApiUrl('/captcha/check')
-})
-const requestCaptchaDataUrl = computed(() => {
-  if (props.type === 'RANDOM') {
-    return requestCaptchaBaseUrl
-  }
-
-  return `${requestCaptchaBaseUrl}?type=${encodeURIComponent(props.type)}`
-})
+const requestCaptchaDataUrl = buildCaptchaApiUrl('/captcha/generate')
+const validCaptchaUrl = buildCaptchaApiUrl('/captcha/check')
 
 async function init() {
   await nextTick()
@@ -62,8 +51,8 @@ async function init() {
 
   const config: TianAiCaptchaConfig = {
     bindEl: captchaBoxRef.value,
-    requestCaptchaDataUrl: requestCaptchaDataUrl.value,
-    requestHeaders: props.requestHeaders,
+    requestCaptchaDataUrl,
+    types: props.types,
     btnRefreshFun: (_el, tac) => {
       tac.reloadCaptcha()
     },
@@ -74,7 +63,7 @@ async function init() {
   }
   switch (props.mode) {
     case 'validate':
-      config.validCaptchaUrl = resolvedValidCaptchaUrl.value
+      config.validCaptchaUrl = validCaptchaUrl
       config.validSuccess = res => emit('valid-success', res)
       config.validFail = res => emit('valid-fail', res)
       break
diff --git a/src/vendor/tianai-captcha/captcha/config/config.js b/src/vendor/tianai-captcha/captcha/config/config.js
index be32d34..184de13 100644
--- a/src/vendor/tianai-captcha/captcha/config/config.js
+++ b/src/vendor/tianai-captcha/captcha/config/config.js
@@ -14,6 +14,7 @@ class CaptchaConfig {
     this.bindEl = args.bindEl;
     this.domBindEl = Dom(args.bindEl);
     this.requestCaptchaDataUrl = args.requestCaptchaDataUrl;
+    this.types = Array.isArray(args.types) ? args.types.filter(Boolean) : [];
     this.validCaptchaUrl = args.validCaptchaUrl;
     if (args.validSuccess) {
       this.validSuccess = args.validSuccess;
@@ -64,7 +65,7 @@ class CaptchaConfig {
   requestCaptchaData() {
     const requestParam = {};
     requestParam.headers = this.requestHeaders || {};
-    requestParam.data = {};
+    requestParam.data = { types: this.types };
     // 设置默认值
     requestParam.headers["Content-Type"] = "application/json;charset=UTF-8";
     requestParam.method = "POST";
diff --git a/src/vendor/tianai-captcha/index.ts b/src/vendor/tianai-captcha/index.ts
index cf2b230..5b425a6 100644
--- a/src/vendor/tianai-captcha/index.ts
+++ b/src/vendor/tianai-captcha/index.ts
@@ -17,8 +17,8 @@ export interface TianAiCaptchaStyle {
 export interface TianAiCaptchaConfig {
   bindEl: TianAiCaptchaBindTarget
   requestCaptchaDataUrl: string
+  types?: string[]
   validCaptchaUrl?: string
-  requestHeaders?: Record<string, string>
   timeToTimestamp?: boolean
   validSuccess?: (res: any, captcha: any, tac: TianAiCaptchaInstance) => void
   validFail?: (res: any, captcha: any, tac: TianAiCaptchaInstance) => void
diff --git a/src/views/debug/CaptchaSandbox.vue b/src/views/debug/CaptchaSandbox.vue
index 5fdd3fb..55e2c5b 100644
--- a/src/views/debug/CaptchaSandbox.vue
+++ b/src/views/debug/CaptchaSandbox.vue
@@ -10,11 +10,19 @@
       <el-card shadow="never">
         <template #header>验证码类型</template>
 
-        <el-radio-group v-model="selectedType" size="large">
-          <el-radio-button v-for="item in captchaTypeOptions" :key="item.value" :label="item.value">
+        <p class="type-hint">
+          可同时勾选多种类型；不选时将按随机类型请求。
+        </p>
+
+        <el-checkbox-group v-model="selectedTypes" size="large">
+          <el-checkbox-button v-for="item in captchaTypeOptions" :key="item.value" :value="item.value">
             {{ item.label }}
-          </el-radio-button>
-        </el-radio-group>
+          </el-checkbox-button>
+        </el-checkbox-group>
+
+        <div class="type-actions">
+          <el-button link type="primary" @click="clearTypes" :disabled="selectedTypes.length === 0">恢复随机</el-button>
+        </div>
       </el-card>
 
       <el-card class="preview-card" shadow="never">
@@ -23,7 +31,7 @@
           ref="captchaRef"
           class="captcha-box"
           mode="validate"
-          :type="selectedType"
+          :types="selectedTypes"
           @close="handleCaptchaClose"
           @state-change="handleCaptchaStateChange"
           @valid-fail="handleValidFail"
@@ -38,7 +46,7 @@
 import { onBeforeUnmount, ref } from 'vue'
 import CaptchaPanel from '@/components/CaptchaPanel.vue'
 
-type CaptchaType = 'RANDOM' | 'SLIDER' | 'ROTATE' | 'CONCAT' | 'WORD_IMAGE_CLICK'
+type CaptchaType = 'SLIDER' | 'ROTATE' | 'CONCAT' | 'WORD_IMAGE_CLICK'
 
 type CaptchaPanelRef = {
   destroy: () => void
@@ -47,7 +55,6 @@ type CaptchaPanelRef = {
 }
 
 const captchaTypeOptions: Array<{ label: string, value: CaptchaType }> = [
-  { label: '随机', value: 'RANDOM' },
   { label: '滑块拼图', value: 'SLIDER' },
   { label: '旋转', value: 'ROTATE' },
   { label: '拼接', value: 'CONCAT' },
@@ -56,17 +63,21 @@ const captchaTypeOptions: Array<{ label: string, value: CaptchaType }> = [
 
 const captchaRef = ref<CaptchaPanelRef | null>(null)
 const captchaActive = ref(false)
-const selectedType = ref<CaptchaType>('RANDOM')
+const selectedTypes = ref<CaptchaType[]>([])
 
 async function startCaptcha() {
   console.info('[captcha sandbox] init captcha', {
-    type: selectedType.value,
+    types: selectedTypes.value,
     mode: 'validate'
   })
 
   await captchaRef.value?.init()
 }
 
+function clearTypes() {
+  selectedTypes.value = []
+}
+
 function reloadCaptcha() {
   if (!captchaActive.value) return
   console.info('[captcha sandbox] manual reload')
@@ -107,6 +118,16 @@ onBeforeUnmount(() => captchaRef.value?.destroy())
   margin-bottom: 24px;
 }
 
+.type-hint {
+  margin: 0 0 16px;
+  color: #606266;
+  line-height: 1.6;
+}
+
+.type-actions {
+  margin-top: 12px;
+}
+
 .sandbox-grid {
   display: flex;
   gap: 20px;