diff --git a/.env.base b/.env.base
index 1137ef3..47bf9f9 100644
--- a/.env.base
+++ b/.env.base
@@ -1,6 +1,6 @@
 # 正式环境 - base
 VITE_BASE_HOST=https://base.bestsch.com
-VITE_SSO_HOST=https://sso.bestsch.com
+VITE_SSO_HOST=http://sso.yunhaixingtong.com
 VITE_SERVICE_HOST=https://base.bestsch.com/LearnCenter
 VITE_ZIYUANKU_HOST=https://base.bestsch.com/BschZyk
 VITE_ZHUANXIANG_HOST=https://base.bestsch.com/BschZncpd
diff --git a/.env.dev b/.env.dev
index d3c9368..a05a62f 100644
--- a/.env.dev
+++ b/.env.dev
@@ -1,6 +1,6 @@
 # 开发环境 (dev)
 VITE_BASE_HOST=http://base.bestsch.com
-VITE_SSO_HOST=http://sso.bestsch.com
+VITE_SSO_HOST=http://sso.yunhaixingtong.com
 VITE_SERVICE_HOST=http://localhost:8060
 VITE_ZIYUANKU_HOST=https://base.bestsch.com/BschZyk
 VITE_ZHUANXIANG_HOST=https://base.bestsch.com/BschZncpd
diff --git a/.env.ld b/.env.ld
index 3a2a872..92de76c 100644
--- a/.env.ld
+++ b/.env.ld
@@ -1,6 +1,6 @@
 # 正式环境 - ld
 VITE_BASE_HOST=https://ld.bestsch.com
-VITE_SSO_HOST=https://sso.bestsch.com
+VITE_SSO_HOST=http://sso.yunhaixingtong.com
 VITE_SERVICE_HOST=https://ld.bestsch.com/LearnCenter
 VITE_ZIYUANKU_HOST=https://ld.bestsch.com/BschZyk
 VITE_ZHUANXIANG_HOST=https://ld.bestsch.com/BschZncpd