diff --git a/modules/backend b/modules/backend
index 964e4fb5..30ad9273 160000
--- a/modules/backend
+++ b/modules/backend
@@ -1 +1 @@
-Subproject commit 964e4fb545a18d7aad31c28377839f405a020363
+Subproject commit 30ad92730d754714b7b4689015a5ca1cea8f32ba
diff --git a/plugins/example/intents/demo.json b/plugins/example/intents/demo.json
index 6b8b4e03..370d3852 100644
--- a/plugins/example/intents/demo.json
+++ b/plugins/example/intents/demo.json
@@ -1,3 +1,10 @@
 [
-  { "id": "demo_intent", "domain": "demo", "description": "示例意图：命中『示例/演示』关键词", "includes_any": ["示例", "演示"], "slots": [] }
+  {
+    "id": "demo.show",
+    "domain": "demo",
+    "version": 1,
+    "description": "示例意图：命中『示例/演示』关键词（slots 声明即 HITL 该问什么；本示例无必填槽位）",
+    "matcher": { "includes_any": ["示例", "演示"] },
+    "slots": []
+  }
 ]