diff --git a/.env.prod b/.env.prod
index 40aef55d..58745c09 100644
--- a/.env.prod
+++ b/.env.prod
@@ -10,7 +10,7 @@ VUE_APP_BOE_API_URL=//u.boe.com
 
 VUE_APP_IFRAME_URL=//u.boe.com/pc/iframe
 VUE_APP_IFRAME_STUDENT_URL=//u.boe.com/pc/loading
-VUE_APP_IFRAME_TEACHER_URL=//u-pre.boe.com/pc/need/waitaudit
+VUE_APP_IFRAME_TEACHER_URL=//u.boe.com/pc/need/waitaudit
 
 VUE_APP_COURSE_STUDY=//u.boe.com/pc/course/studyindex?id=
 
diff --git a/.env.release b/.env.release
index d54ac429..185c9dc5 100644
--- a/.env.release
+++ b/.env.release
@@ -10,7 +10,7 @@ VUE_APP_BOE_API_URL=//u.boe.com
 
 VUE_APP_IFRAME_URL=//u.boe.com/pc-release/iframe
 VUE_APP_IFRAME_STUDENT_URL=//u.boe.com/pc-release/loading
-VUE_APP_IFRAME_TEACHER_URL=//u-pre.boe.com/pc-release/need/waitaudit
+VUE_APP_IFRAME_TEACHER_URL=//u.boe.com/pc-release/need/waitaudit
 
 VUE_APP_COURSE_STUDY=//u.boe.com/pc-release/course/studyindex?id=