diff --git a/src/renderer/src/views/prepare/container/class-start.vue b/src/renderer/src/views/prepare/container/class-start.vue
index 3d64129..b4c6d7c 100644
--- a/src/renderer/src/views/prepare/container/class-start.vue
+++ b/src/renderer/src/views/prepare/container/class-start.vue
@@ -290,11 +290,11 @@ const getQrUrl = async() => {
   // teacherForm.form.qrUrl = baseUrl + qrCodeUrl
   // baseUrl = 'https://localhost:7860'
   // token跳转
-  const url = `/teaching/classteachingonmobile?classcourseid=${id}` // 跳转移动端-上课
+  let url = `teaching/classteachingonmobile?classcourseid=${id}` // 跳转移动端-上课
   let qrCodeUrl = '' // 移动端-二维码地址
   try {
     // 走后端缓存url
-    const res = await Http_api.toLink.setLink(url) // 设置链接-缓存
+    const res = await Http_api.toLink.setLink('/' + url) // 设置链接-缓存
     if (res.code == 200) {
       const redisKey = res.data
       const base64Key = CryptoJS.enc.Utf8.parse(redisKey).toString(CryptoJS.enc.Base64) // base64加密