diff --git a/src/daemon/ticker.py b/src/daemon/ticker.py
index 8fae7ae..47585c0 100644
--- a/src/daemon/ticker.py
+++ b/src/daemon/ticker.py
@@ -488,9 +488,9 @@ class Ticker:
             return []
 
         # 全局并发检查（司马懿建议 1）
-        if self.counter.global_active >= self.counter._max_global - 1:
+        if self.counter.is_near_limit():
             logger.info("Skipping broadcast: global concurrent near limit (%d/%d)",
-                        self.counter.global_active, self.counter._max_global)
+                        self.counter.global_active, self.counter.max_global)
             return []
 
         # 过滤掉已广播太多次的任务（retry_count >= 3 → 不广播，等庞统）
@@ -524,17 +524,8 @@ class Ticker:
         # 获取空闲 Agent
         idle_agents = self._get_idle_agents()
         if not idle_agents:
-            # 无空闲 Agent → 递增 retry_count（下次广播或升级）
-            conn = get_connection(db_path)
-            try:
-                for t in broadcastable:
-                    conn.execute(
-                        "UPDATE tasks SET retry_count = COALESCE(retry_count, 0) + 1 WHERE id=?",
-                        (t.id,),
-                    )
-                conn.commit()
-            finally:
-                conn.close()
+            # 无空闲 Agent → 系统容量问题，不递增 retry_count
+            logger.warning("No idle agents for broadcast, skipping (capacity issue)")
             return []
 
         task_ids = [t.id for t in broadcastable]