diff --git a/workers/aibox_sophon_adapter/config.toml b/workers/aibox_sophon_adapter/config.toml
index 94490fb..77c0439 100644
--- a/workers/aibox_sophon_adapter/config.toml
+++ b/workers/aibox_sophon_adapter/config.toml
@@ -17,6 +17,17 @@ defaults = { method = "GET", timeout = 30, auth_required = false, cacheable = fa
 router_prefix = "/aibox_sophon_adapter"
 tags = ["aibox_sophon_adapter", "sophon", "adapter"]
 
+# ====== MQTT Bridge 额外订阅主题（本插件声明，网关自动订阅并路由到本插件） ======
+# topic:          订阅主题，支持 +（单级）/ #（多级，须在末尾）通配符
+# subject:        可选，目标 Zenoh subject，支持 {1} {2}... 占位符；
+#                 默认 "<插件类型>.<topic 最后一段>"
+# response_topic: 可选，响应发布主题，支持占位符；默认 "<实际匹配主题>/response"
+# 请求负载同样支持 _method / _timeout / _cacheable 控制字段
+[[workers.mqtt_topics]]
+topic = "/board_ping"
+subject = "aibox_sophon_adapter.board_ping"
+# response_topic = "/board_ping/response"   # 默认即 "/board_ping/response"
+
 # ====== Worker 运行时配置（由 lifespan_setup 传递给 create_workers） ======
 [workers.config]
 data_dir = "./data"