diff --git a/internal/config/config.go b/internal/config/config.go
index ea2b8d3..1f09103 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -17,6 +17,7 @@ type Config struct {
 	MqttUser        string   `yaml:"mqtt_user"`
 	MqttPass        string   `yaml:"mqtt_pass"`
 	EdgeToken       string   `yaml:"edge_token"`
+	StreamEnabled   bool     `yaml:"stream_enabled"`
 	RTSPURLs        []string `yaml:"rtsp_urls"`
 	InferSocket     string   `yaml:"infer_socket"`
 	InferFPS        int      `yaml:"infer_fps"`
diff --git a/internal/stream/ingestor.go b/internal/stream/ingestor.go
index a2957d7..9b693fa 100644
--- a/internal/stream/ingestor.go
+++ b/internal/stream/ingestor.go
@@ -64,6 +64,23 @@ func (sm *StreamManager) applyStreams(ctx context.Context, urls []string, fps in
 	sm.mu.Lock()
 	defer sm.mu.Unlock()
 
+	// Stream enabled check
+	enabled := true
+	if sm.cfg != nil && !sm.cfg.StreamEnabled {
+		enabled = false
+	}
+
+	// If disabled, stop all streams and return
+	if !enabled {
+		log.Println("stream: disabled by config, stopping all")
+		for url, sp := range sm.processes {
+			log.Printf("stream: stopping %s", url)
+			sm.stopProcess(sp)
+			delete(sm.processes, url)
+		}
+		return
+	}
+
 	// Identify URLs to remove (present in sm.processes but not in new urls)
 	toRemove := map[string]*streamProcess{}
 	for url, sp := range sm.processes {
diff --git a/start_infer.sh b/start_infer.sh
new file mode 100755
index 0000000..6b256e3
--- /dev/null
+++ b/start_infer.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+exec >> /tmp/infer-server-systemd.log 2>&1
+echo "=== infer-server starting $(date) ==="
+export LD_LIBRARY_PATH=/usr/local/Ascend/ascend-toolkit/latest/arm64-linux/lib64:/usr/local/Ascend/driver/lib64:/usr/local/Ascend/ascend-toolkit/latest/arm64-linux/lib64/plugin/opskernel
+export ASCEND_OPP_PATH=/usr/local/Ascend/ascend-toolkit/latest/arm64-linux/opp
+export PYTHONPATH=/usr/local/Ascend/ascend-toolkit/latest/python/site-packages:$PYTHONPATH
+export PATH=/usr/local/miniconda3/bin:$PATH
+cd /root/AI-tianyan
+echo "PYTHONPATH=$PYTHONPATH"
+/usr/local/miniconda3/bin/python3 -c "import acl; print('acl OK:', acl.__file__)" 2>&1
+echo "--- launching server ---"
+exec /usr/local/miniconda3/bin/python3 /root/AI-tianyan/python/infer_server.py