diff --git a/backend/core/basic/skill.py b/backend/core/basic/skill.py
index 4e1f0481..361226ad 100644
--- a/backend/core/basic/skill.py
+++ b/backend/core/basic/skill.py
@@ -203,7 +203,7 @@ class ActiveSkill(Skill):
             if len(data) == 0:
                 break
             if lv < len(data):
-                hit = getattr(self, f'hit{i}', 1)
+                hit = getattr(self, f'hit{i}', 0)
                 power = getattr(self, f'power{i}', 1)
                 res += hit * power * (data[lv] + plus)
         keys = [key.replace("dataplus","") for key in dir(self) if key.startswith('dataplus')]