diff --git a/README.md b/README.md
index 7e58958..7bc71e9 100644
--- a/README.md
+++ b/README.md
@@ -547,7 +547,7 @@ server {
     
     location / {
         proxy_pass http://172.17.0.1:8052;
-        proxy_set_header Host $host;
+        proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto https;
@@ -718,7 +718,7 @@ location /baihu/ {
     proxy_http_version 1.1;
     proxy_set_header Upgrade $http_upgrade;
     proxy_set_header Connection "upgrade";
-    proxy_set_header Host $host;
+    proxy_set_header Host $http_host;
     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header X-Forwarded-Proto $scheme;
diff --git a/docs/guide/nginx.md b/docs/guide/nginx.md
index bb397b1..be4517d 100644
--- a/docs/guide/nginx.md
+++ b/docs/guide/nginx.md
@@ -32,7 +32,7 @@ server {
     
     location / {
         proxy_pass http://127.0.0.1:8052; # 指定白虎面板宿主机 IP 和端口
-        proxy_set_header Host $host;
+        proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
@@ -66,7 +66,7 @@ location /baihu/ {
     proxy_http_version 1.1;
     proxy_set_header Upgrade $http_upgrade;
     proxy_set_header Connection $connection_upgrade;
-    proxy_set_header Host $host;
+    proxy_set_header Host $http_host;
     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header X-Forwarded-Proto $scheme;