diff --git a/frontend/src/pages/cloud-law/video-call.vue b/frontend/src/pages/cloud-law/video-call.vue
index 8658161..a91f82d 100644
--- a/frontend/src/pages/cloud-law/video-call.vue
+++ b/frontend/src/pages/cloud-law/video-call.vue
@@ -524,10 +524,6 @@ let miniProgramRedirected = false
 let miniProgramEndNotified = false
 let miniProgramRedirectRetryTimer = null
 
-const getMiniProgram = () => {
-  return typeof window !== 'undefined' && window.wx && window.wx.miniProgram ? window.wx.miniProgram : null
-}
-
 const navigateMiniProgramToReturnUrl = (returnUrl) => {
   const mp = getMiniProgram()
   if (!mp) return false