diff --git a/hb_server/apps/hrm/services.py b/hb_server/apps/hrm/services.py
index b5aa956..2727616 100644
--- a/hb_server/apps/hrm/services.py
+++ b/hb_server/apps/hrm/services.py
@@ -27,7 +27,7 @@ class HRMService:
             face_datas = cache.get('face_datas')
         face_users = cache.get('face_users')
         results = face_recognition.compare_faces(face_datas, 
-        unknown_face_encoding, tolerance=0.38)
+        unknown_face_encoding, tolerance=0.42)
         for index, value in enumerate(results):
             if value:
                 # 识别成功
@@ -56,7 +56,7 @@ class HRMService:
             face_datas = cache.get('face_datas')
         face_users = cache.get('face_users')
         results = face_recognition.compare_faces(face_datas, 
-        unknown_face_encoding, tolerance=0.38)
+        unknown_face_encoding, tolerance=0.42)
         for index, value in enumerate(results):
             if value:
                 # 识别成功
diff --git a/hb_server/media/default/lx.jpg b/hb_server/media/default/lx.jpg
new file mode 100644
index 0000000..e070812
Binary files /dev/null and b/hb_server/media/default/lx.jpg differ