diff --git a/src/views/debug/CaptchaSandbox.vue b/src/views/debug/CaptchaSandbox.vue
index 8d8ea2f..18b364f 100644
--- a/src/views/debug/CaptchaSandbox.vue
+++ b/src/views/debug/CaptchaSandbox.vue
@@ -42,18 +42,15 @@ import {
   type TianAiCaptchaInstance
 } from '@/vendor/tianai-captcha'
 
-type CaptchaType = 'RANDOM' | 'SLIDER' | 'ROTATE' | 'ROTATE_DEGREE' | 'CONCAT' | 'IMAGE_CLICK' | 'WORD_IMAGE_CLICK'
+type CaptchaType = 'RANDOM' | 'SLIDER' | 'ROTATE' | 'CONCAT' | 'WORD_IMAGE_CLICK'
 
-const baseApiUrl = import.meta.env.VITE_APP_API_BASE
-const requestCaptchaBaseUrl = buildApiUrl(baseApiUrl, '/captcha/gen')
-const validCaptchaUrl = buildApiUrl(baseApiUrl, '/captcha/check')
+const requestCaptchaBaseUrl = buildApiUrl('/captcha/gen')
+const validCaptchaUrl = buildApiUrl('/captcha/check')
 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: '旋转(角度)', value: 'ROTATE_DEGREE' },
   { label: '拼接', value: 'CONCAT' },
-  { label: '点选', value: 'IMAGE_CLICK' },
   { label: '汉字点选', value: 'WORD_IMAGE_CLICK' },
 ]
 
@@ -128,14 +125,9 @@ function destroyCaptcha(showMessage = true) {
   }
 }
 
-function buildApiUrl(base: string | undefined, path: string) {
-  const normalizedBase = (base || '').replace(/\/+$/, '')
+function buildApiUrl(path: string) {
+  const normalizedBase = (import.meta.env.VITE_APP_API_BASE || '').replace(/\/+$/, '')
   const normalizedPath = path.startsWith('/') ? path : `/${path}`
-
-  if (!normalizedBase) {
-    return `/api/v2${normalizedPath}`
-  }
-
   return `${normalizedBase}${normalizedPath}`
 }