diff --git a/pipeline_service/agent_loop_v2.py b/pipeline_service/agent_loop_v2.py
index 0f1749c..02c9db3 100644
--- a/pipeline_service/agent_loop_v2.py
+++ b/pipeline_service/agent_loop_v2.py
@@ -603,7 +603,7 @@ class AgentExecutor:
         if not recs:
             return "暂无任务"
 
-        # 状态图标映射
+        # v2.1 format: markdown table
         icons = {
             "submitted": "⏳", "running": "🔄", "review": "👀",
             "approved": "✅", "completed": "✔️", "failed": "❌",