diff --git a/atsf_agent/agent.json b/atsf_agent/agent.json
index a436fe65..eb4f1d31 100644
--- a/atsf_agent/agent.json
+++ b/atsf_agent/agent.json
@@ -1,7 +1,7 @@
 {
   "server_url": "http://127.0.0.1:3000",
-  "agent_token": "2bae8c0eef58c3d7cf84464d983052ca",
-  "data_dir": "./data",
+  "agent_token": "d873f8084cb7539a2d2f6273ba7fbebe",
+  "data_dir": "./data-v5test",
   "openresty_container_name": "atsflare-openresty",
   "openresty_docker_image": "openresty/openresty:alpine",
   "heartbeat_interval": 30000,
diff --git a/atsf_agent/data-v5test/var/lib/atsflare/agent-state.json b/atsf_agent/data-v5test/var/lib/atsflare/agent-state.json
new file mode 100644
index 00000000..e84d0081
--- /dev/null
+++ b/atsf_agent/data-v5test/var/lib/atsflare/agent-state.json
@@ -0,0 +1,8 @@
+{
+  "node_id": "node-f79896cc731413b3",
+  "current_version": "",
+  "current_checksum": "",
+  "last_error": "docker openresty -t failed: exit status 1: 2026/03/12 14:59:57 [emerg] 1#1: open() \"/usr/local/openresty/nginx/conf/data-v5test/etc/nginx/conf.d/atsflare_routes.conf\" failed (2: No such file or directory) in /usr/local/openresty/nginx/conf/nginx.conf:31\nnginx: [emerg] open() \"/usr/local/openresty/nginx/conf/data-v5test/etc/nginx/conf.d/atsflare_routes.conf\" failed (2: No such file or directory) in /usr/local/openresty/nginx/conf/nginx.conf:31\nnginx: configuration file /usr/local/openresty/nginx/conf/nginx.conf test failed\n",
+  "openresty_status": "unhealthy",
+  "openresty_message": "docker openresty -t failed: exit status 1: 2026/03/12 14:59:57 [emerg] 1#1: open() \"/usr/local/openresty/nginx/conf/data-v5test/etc/nginx/conf.d/atsflare_routes.conf\" failed (2: No such file or directory) in /usr/local/openresty/nginx/conf/nginx.conf:31\nnginx: [emerg] open() \"/usr/local/openresty/nginx/conf/data-v5test/etc/nginx/conf.d/atsflare_routes.conf\" failed (2: No such file or directory) in /usr/local/openresty/nginx/conf/nginx.conf:31\nnginx: configuration file /usr/local/openresty/nginx/conf/nginx.conf test failed\n"
+}
\ No newline at end of file
diff --git a/atsf_agent/internal/nginx/manager.go b/atsf_agent/internal/nginx/manager.go
index 3ceb9baf..811a41f3 100644
--- a/atsf_agent/internal/nginx/manager.go
+++ b/atsf_agent/internal/nginx/manager.go
@@ -315,6 +315,10 @@ func NewExecutor(options ExecutorOptions) Executor {
 			Runner: runner,
 		}
 	}
+	mainConfigPath := options.MainConfigPath
+	if absPath, err := filepath.Abs(mainConfigPath); err == nil {
+		mainConfigPath = absPath
+	}
 	routeConfigDir := filepath.Dir(options.RouteConfigPath)
 	if absDir, err := filepath.Abs(routeConfigDir); err == nil {
 		routeConfigDir = absDir
@@ -327,7 +331,7 @@ func NewExecutor(options ExecutorOptions) Executor {
 		DockerBinary:   options.DockerBinary,
 		ContainerName:  options.ContainerName,
 		Image:          options.Image,
-		MainConfigPath: options.MainConfigPath,
+		MainConfigPath: mainConfigPath,
 		RouteConfigDir: routeConfigDir,
 		CertDir:        certDir,
 		NginxCertDir:   options.NginxCertDir,
diff --git a/atsf_agent/internal/nginx/manager_test.go b/atsf_agent/internal/nginx/manager_test.go
index 636da6cc..eeb9e579 100644
--- a/atsf_agent/internal/nginx/manager_test.go
+++ b/atsf_agent/internal/nginx/manager_test.go
@@ -291,9 +291,15 @@ func TestNewExecutorUsesAbsoluteDockerMountPath(t *testing.T) {
 	if !filepath.IsAbs(dockerExecutor.RouteConfigDir) {
 		t.Fatalf("expected absolute route config dir, got %s", dockerExecutor.RouteConfigDir)
 	}
+	if !filepath.IsAbs(dockerExecutor.MainConfigPath) {
+		t.Fatalf("expected absolute main config path, got %s", dockerExecutor.MainConfigPath)
+	}
 	if !strings.HasSuffix(dockerExecutor.RouteConfigDir, filepath.Clean("data/etc/nginx/conf.d")) {
 		t.Fatalf("unexpected route config dir: %s", dockerExecutor.RouteConfigDir)
 	}
+	if !strings.HasSuffix(dockerExecutor.MainConfigPath, filepath.Clean("data/etc/nginx/nginx.conf")) {
+		t.Fatalf("unexpected main config path: %s", dockerExecutor.MainConfigPath)
+	}
 }
 
 func TestDetectVersionFromBinary(t *testing.T) {