diff --git a/app/difficulty.py b/app/difficulty.py
index cb93768..f2dcd74 100644
--- a/app/difficulty.py
+++ b/app/difficulty.py
@@ -60,7 +60,7 @@ def get_difficulty_level_for_user(d1, d2):
             if stem in d2:  # 如果用户的词的词根存在于词库d2的词根库中
                 d2[k] = d2[stem]  # 按照词根进行评级
             else:
-                d2[k] = 3  # 如果k的词根都不在，那么就当认为是3级
+                d2[k] = 8  # 如果k的词根都不在，那么就当认为是8级  3 was too low and makes the user level drop
     return d2