diff --git a/backend/core/character/GF/gunner_female/spitfire_female.py b/backend/core/character/GF/gunner_female/spitfire_female.py
index 46b9458a..b34a4f9e 100644
--- a/backend/core/character/GF/gunner_female/spitfire_female.py
+++ b/backend/core/character/GF/gunner_female/spitfire_female.py
@@ -873,6 +873,8 @@ class Skill27(PassiveSkill):
     # 攻击力增加率 : {value0}%
     data0 = get_data(f'{prefix}/{uuid}', 0)
 
+    ratio = 1.0
+
     def effect(self, old, new):
         self.associate = [
         {'type': '*skillDamage', 'data': [i*self.ratio for i in self.data0], 'skills': ['G-14手雷', 'G-35L感电手雷', 'G-18C冰冻手雷']},