diff --git a/api/app/core/workflow/nodes/end/node.py b/api/app/core/workflow/nodes/end/node.py
index efc62dc5..65bb6cb5 100644
--- a/api/app/core/workflow/nodes/end/node.py
+++ b/api/app/core/workflow/nodes/end/node.py
@@ -61,7 +61,7 @@ class EndNode(BaseNode):
             引用的节点 ID 列表
         """
         # 匹配 {{node_id.xxx}} 格式
-        pattern = r'\{\{([a-zA-Z0-9_]+)\.[a-zA-Z0-9_]+\}\}'
+        pattern = r'\{\{([a-zA-Z0-9_-]+)\.[a-zA-Z0-9_]+\}\}'
         matches = re.findall(pattern, template)
         return list(set(matches))  # 去重
 
diff --git a/api/app/templates/workflows/simple_qa/template.yml b/api/app/templates/workflows/simple_qa/template.yml
index dc3a7c70..0843744d 100644
--- a/api/app/templates/workflows/simple_qa/template.yml
+++ b/api/app/templates/workflows/simple_qa/template.yml
@@ -41,8 +41,6 @@ nodes:
             - 使用友好、礼貌的语气
             - 适当使用格式化（如列表、段落）提高可读性
         
-        - role: user
-          content: "{{sys.message}}"
       
       model_id: null
       temperature: 0.7