diff --git a/YakPanel-server/backend/app/services/__pycache__/site_service.cpython-314.pyc b/YakPanel-server/backend/app/services/__pycache__/site_service.cpython-314.pyc
index 540cc0c5..657ff2c0 100644
Binary files a/YakPanel-server/backend/app/services/__pycache__/site_service.cpython-314.pyc and b/YakPanel-server/backend/app/services/__pycache__/site_service.cpython-314.pyc differ
diff --git a/YakPanel-server/backend/app/services/site_service.py b/YakPanel-server/backend/app/services/site_service.py
index 933bcf2b..b10fc10d 100644
--- a/YakPanel-server/backend/app/services/site_service.py
+++ b/YakPanel-server/backend/app/services/site_service.py
@@ -7,7 +7,7 @@ from sqlalchemy import select
 
 from app.models.site import Site, Domain
 from app.models.redirect import SiteRedirect
-from app.core.config import get_runtime_config
+from app.core.config import get_runtime_config, get_settings
 from app.core.utils import path_safe_check, write_file, read_file, exec_shell_sync
 
 
@@ -17,6 +17,37 @@ LETSENCRYPT_LIVE = "/etc/letsencrypt/live"
 SSL_EXPIRING_DAYS = 14
 
 
+def _nginx_site_template_path() -> str | None:
+    """
+    Resolve webserver/templates/nginx_site.conf.
+    Order: YAKPANEL_NGINX_TEMPLATE env, repo root (parent of backend/), Settings.panel_path.
+    """
+    candidates: list[str] = []
+    env_override = (os.environ.get("YAKPANEL_NGINX_TEMPLATE") or "").strip()
+    if env_override:
+        candidates.append(env_override)
+    # site_service.py -> services -> app -> backend -> YakPanel-server (repo root)
+    here = os.path.abspath(__file__)
+    repo_root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(here))))
+    candidates.append(os.path.join(repo_root, "webserver", "templates", "nginx_site.conf"))
+    try:
+        s = get_settings()
+        pp = (s.panel_path or "").strip()
+        if pp:
+            candidates.append(os.path.join(os.path.abspath(pp), "webserver", "templates", "nginx_site.conf"))
+        sp = (s.setup_path or "").strip()
+        if sp:
+            candidates.append(
+                os.path.join(os.path.abspath(sp), "YakPanel-server", "webserver", "templates", "nginx_site.conf")
+            )
+    except Exception:
+        pass
+    for path in candidates:
+        if path and os.path.isfile(path):
+            return path
+    return None
+
+
 def _backup_count(site_name: str, backup_dir: str) -> int:
     if not backup_dir or not os.path.isdir(backup_dir):
         return 0
@@ -415,9 +446,8 @@ async def update_site(
         cfg = get_runtime_config()
         vhost_path = os.path.join(cfg["setup_path"], "panel", "vhost", "nginx")
         conf_path = os.path.join(vhost_path, f"{site.name}.conf")
-        panel_root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-        template_path = os.path.join(panel_root, "webserver", "templates", "nginx_site.conf")
-        if os.path.exists(template_path):
+        template_path = _nginx_site_template_path()
+        if template_path:
             template = read_file(template_path) or ""
             domain_result = await db.execute(select(Domain).where(Domain.pid == site.id))
             domain_rows = domain_result.scalars().all()
@@ -492,10 +522,13 @@ async def regenerate_site_vhost(db: AsyncSession, site_id: int) -> dict:
         write_path = conf_path
     else:
         write_path = disabled_path if os.path.isfile(disabled_path) else conf_path
-    panel_root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-    template_path = os.path.join(panel_root, "webserver", "templates", "nginx_site.conf")
-    if not os.path.exists(template_path):
-        return {"status": False, "msg": "Template not found"}
+    template_path = _nginx_site_template_path()
+    if not template_path:
+        return {
+            "status": False,
+            "msg": "Template not found (nginx_site.conf). Expected under panel webserver/templates/ "
+            "or set env YAKPANEL_NGINX_TEMPLATE to the full path. Check Settings.panel_path matches the install directory.",
+        }
     template = read_file(template_path) or ""
     domain_result = await db.execute(select(Domain).where(Domain.pid == site.id))
     domain_rows = domain_result.scalars().all()