diff --git a/src/daemon/dispatcher.py b/src/daemon/dispatcher.py
index fd6064d..4f9fa2b 100644
--- a/src/daemon/dispatcher.py
+++ b/src/daemon/dispatcher.py
@@ -712,6 +712,14 @@ class Dispatcher:
                     logger.error("Mail %s: all 3 failed attempts failed, leaving for ticker", task_id)
                     return
 
+            # inform 类型：只对成功 outcome 标 done，失败 outcome 留 working 等 ticker 重投
+            # Task 路径不受此 bug 影响（走 _task_auto_complete 独立逻辑）
+            if performative == "inform":
+                INFORM_DONE_OUTCOMES = {"completed", "claimed", "no_reply"}
+                if outcome not in INFORM_DONE_OUTCOMES:
+                    logger.info("Mail %s: inform outcome=%s, skip auto-done", task_id, outcome)
+                    return
+
             # 标 done（重试 3 次）
             for attempt in range(3):
                 try:
diff --git a/src/daemon/spawner.py b/src/daemon/spawner.py
index 1d45bf2..7876435 100644
--- a/src/daemon/spawner.py
+++ b/src/daemon/spawner.py
@@ -848,10 +848,13 @@ curl -X POST http://{api_host}:{api_port}/api/projects/{project_id}/tasks/{task_
             #      A8(gateway_unreachable), A11(lock_conflict),
             #      A10(compact_failed), A12(agent_error)
             # v2.8.1 Fix-3a: crash 类 outcome 设 cooldown,给 agent session 恢复时间
-            if outcome in ("crashed", "compact_failed", "process_crash", "session_stuck",
+            if outcome == "crashed" and self.counter:
+                self.counter.set_cooldown(agent_id, seconds=60)
+                logger.info("Crash cooldown set for %s: 60s (outcome=%s)", agent_id, outcome)
+            elif outcome in ("compact_failed", "process_crash", "session_stuck",
                            "compact_hanging", "agent_error", "compact_interrupted") and self.counter:
                 self.counter.set_cooldown(agent_id, seconds=300)  # 5 分钟
-                logger.info("Crash/error cooldown set for %s: 300s (outcome=%s)", agent_id, outcome)
+                logger.info("Error cooldown set for %s: 300s (outcome=%s)", agent_id, outcome)
             # F1: 不可恢复 outcome → 立刻标 failed + 写黑板
             if outcome in ("auth_failed", "agent_error") and db_path and task_id:
                 logger.error("Task %s: unrecoverable outcome=%s, marking failed immediately", task_id, outcome)