diff --git a/config/default.yaml b/config/default.yaml
index 2434462..42dc6da 100644
--- a/config/default.yaml
+++ b/config/default.yaml
@@ -8,7 +8,8 @@ daemon:
   tick_interval: 30
   task_timeout: 600
   max_global_agents: 5
-  max_per_agent: 1
+  max_per_session: 1
+  max_concurrent_sessions: 3
   zombie_threshold: 20
   # Agent 调度（v2.6.1 新增）
   max_dispatch_per_tick: 3
diff --git a/src/main.py b/src/main.py
index d4ec923..0e5fb67 100644
--- a/src/main.py
+++ b/src/main.py
@@ -129,7 +129,8 @@ async def lifespan(app: FastAPI):
     # 创建 Agent 调度组件
     counter = ActiveAgentCounter(
         max_global=daemon_config.get("max_global_agents", 5),
-        max_per_agent=daemon_config.get("max_per_agent", 2),
+        max_per_session=daemon_config.get("max_per_session", 1),
+        max_concurrent_sessions=daemon_config.get("max_concurrent_sessions", 3),
         default_cooldown_seconds=daemon_config.get("cooldown_seconds", 120),
     )
     spawner = AgentSpawner(