diff --git a/conf/huiwings/admin.conf b/conf/huiwings/admin.conf
index 414f3b2..ce37541 100644
--- a/conf/huiwings/admin.conf
+++ b/conf/huiwings/admin.conf
@@ -12,7 +12,6 @@ server {
     set $tmp_file_dir "/file_upload"; # 文件存储路径
     set $task_server "http://127.0.0.1:8080"; # Java task_server
     set $huiwing_htyts_rust "127.0.0.1:3003";  # huiwing 仓库 htyts（Rust）
-    set $huiwing_htyproc_rust "127.0.0.1:3004"; # huiwing 仓库 htyproc（Rust）
     set $htyuc "http://127.0.0.1:3000"; #htyuc host
     set $resty_loc "/usr/local/openresty";
     set $convert "/usr/bin/convert";
@@ -113,7 +112,7 @@ server {
     }
 
     location /api/v1/proc/ {
-        proxy_pass http://$huiwing_htyproc_rust/api/v1/proc/;
+        proxy_pass http://127.0.0.1:3004/api/v1/proc/;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -129,7 +128,7 @@ server {
         proxy_set_header X-Forwarded-Proto $scheme;
     }
     location /api/v2/proc/ {
-        proxy_pass http://$huiwing_htyproc_rust/api/v1/proc/;
+        proxy_pass http://127.0.0.1:3004/api/v1/proc/;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
diff --git a/conf/moicen/admin.conf b/conf/moicen/admin.conf
index 60322a8..f5312cd 100644
--- a/conf/moicen/admin.conf
+++ b/conf/moicen/admin.conf
@@ -33,7 +33,6 @@ server {
     set $tmp_file_dir "/file_upload"; # 文件存储路径
     set $task_server "http://127.0.0.1:8080"; # Java task_server
     set $huiwing_htyts_rust "127.0.0.1:3003";
-    set $huiwing_htyproc_rust "127.0.0.1:3004";
     set $htyuc "http://127.0.0.1:3000"; #htyuc host
     set $resty_loc "/usr/local/openresty";
     set $convert "/usr/bin/convert";
@@ -137,8 +136,9 @@ server {
     }
 
     # 管理端历史路径 /api/v1/proc/*（与 /api/v2/proc/ 同 upstream Rust htyproc）
+    # 勿在 proxy_pass 的 host 段使用变量 + URI 路径组合，否则 nginx 可能不把 URI 正确传给 axum（对端 404）。
     location /api/v1/proc/ {
-        proxy_pass http://$huiwing_htyproc_rust/api/v1/proc/;
+        proxy_pass http://127.0.0.1:3004/api/v1/proc/;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -155,7 +155,7 @@ server {
         proxy_set_header X-Forwarded-Proto $scheme;
     }
     location /api/v2/proc/ {
-        proxy_pass http://$huiwing_htyproc_rust/api/v1/proc/;
+        proxy_pass http://127.0.0.1:3004/api/v1/proc/;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;