diff --git a/configs/full_pipeline_1080p_test_alarm.json b/configs/full_pipeline_1080p_test_alarm.json
index fe9dd03..c342417 100644
--- a/configs/full_pipeline_1080p_test_alarm.json
+++ b/configs/full_pipeline_1080p_test_alarm.json
@@ -388,7 +388,7 @@
               "min_hits": 1,
               "hit_window_ms": 1500,
               "min_face_area_ratio": 0.0002,
-              "min_face_aspect": 0.6,
+              "min_face_aspect": 0.55,
               "max_face_aspect": 1.6
             }
           ],
diff --git a/docs/config_guide.md b/docs/config_guide.md
index 924820c..f4e1766 100644
--- a/docs/config_guide.md
+++ b/docs/config_guide.md
@@ -586,7 +586,7 @@ python tools/analyze_face_recog_log.py .\logs\media-server_latest.log
       "min_hits": 1,
       "hit_window_ms": 1500,
       "min_face_area_ratio": 0.0002,
-      "min_face_aspect": 0.6,
+      "min_face_aspect": 0.55,
       "max_face_aspect": 1.6
     }
   ]
@@ -605,7 +605,7 @@ python tools/analyze_face_recog_log.py .\logs\media-server_latest.log
 | `face_rules[].min_sim` | 进入该规则的最低相似度条件 | `known_person` 当前测试为 `0.45` |
 | `face_rules[].min_face_area_ratio` | 过滤小脸框 | 1080p 下 `0.0002` 约等于 `415px²`，`0.001` 约等于 `2074px²` |
 | `face_rules[].cooldown_ms` | 同一规则冷却 | 测试可 `7000`，正式按后台接收频率调整 |
-| `face_rules[].min_face_aspect / max_face_aspect` | 过滤异常长宽比人脸框 | 默认 `0.6` 到 `1.6` |
+| `face_rules[].min_face_aspect / max_face_aspect` | 过滤异常长宽比人脸框 | `known_person` 当前测试为 `0.55` 到 `1.6`；`unknown_face` 建议保持 `0.6` 到 `1.6` |
 
 `min_face_area_ratio` 取值参考，按 1920x1080 画面计算：