diff --git a/src/views/preview/index.vue b/src/views/preview/index.vue
index 4e6c0c5..f6cd0a9 100644
--- a/src/views/preview/index.vue
+++ b/src/views/preview/index.vue
@@ -55,7 +55,7 @@ export default {
         this.type = this.$route.query.type || originalUrl.split('.').at(-1)
         // this.url = originalUrl
         try {
-          this.url = process.env.VUE_APP_DOMIAN + (window.location.origin === window.top.location.origin ? '' : '/oa') + new URL(originalUrl).pathname
+          this.url = process.env.VUE_APP_DOMIAN + (window.location.origin === window.top.location.origin ? '/oa' : '') + new URL(originalUrl).pathname
         } catch (err) {
           //this.url = this.$route.query.url
           this.url = process.env.VUE_APP_DOMIAN + '/oa' + new URL(originalUrl).pathname