diff --git a/docs/design/08-classify-outcome-optimization.md b/docs/design/08-classify-outcome-optimization.md
index c560463..876286c 100644
--- a/docs/design/08-classify-outcome-optimization.md
+++ b/docs/design/08-classify-outcome-optimization.md
@@ -93,7 +93,7 @@ TCP 握手只能检测进程端口是否监听，无法检测 Gateway **业务
 | A1 | status=ok, summary=completed | completed | — | 结束 |
 | A2 | status=timeout | gateway_timeout | ✅ | retry（续杯） |
 | A3 | status=ok, fallback_used, **fallback_count ≥ 2** | fallback_exhausted | ❌ | 标 failed + 原因写黑板 |
-| A3b | status=ok, fallback_used, **fallback_count < 2** | fallback_retry | ✅ | retry + cooldown 30s |
+| A3b | status=ok, fallback_used, **fallback_count < 2** | fallback_retry | ✅ | retry + cooldown 60s |
 | A4 | task_status=failed | agent_failed | — | 尊重，不干预 |
 | A5 | status=ok（其他组合） | completed | — | 结束 |
 | A6 | status=error + stderr 含 auth 关键字 | auth_failed | ❌ | 标 failed + 原因写黑板 |
@@ -181,7 +181,7 @@ TCP 握手只能检测进程端口是否监听，无法检测 Gateway **业务
 
 | 场景 | cooldown | 理由 |
 |------|----------|------|
-| A3b fallback | 30s | 模型抖动，短冷却 |
+| A3b fallback | 60s | 统一简化 |
 | A7/A16 compact | 60s | 等 compact 完成 |
 | A8/A15 network | 60s | 网络暂时性问题 |
 | A9 rate_limit | 60s | API 限流需要等待 |
@@ -267,7 +267,7 @@ stderr_preview 和 exit_signal 写 metadata 的方案暂缓，本轮不实施。
 | test_A3b_fallback_retry | fallback_count=0 → retry |
 | test_A3_fallback_exhausted | fallback_count=2 → failed |
 | test_A7_compact_retry | status=error + compact → retry + 60s cooldown |
-| test_A8_network_retry | status=error + network → retry + 30s cooldown |
+| test_A8_network_retry | status=error + network → retry + 60s cooldown |
 | test_A9_rate_limit_retry | status=error + rate_limit → retry + 60s cooldown |
 | test_A10_lock_retry | status=error + lock → retry + 10s cooldown |
 | test_A11_agent_error_reason | status=error + 未知 stderr → failed + reason |