diff --git a/logic/service/fight/effect/effect_35.go b/logic/service/fight/effect/effect_35.go
index d6b2f234..ead22e64 100644
--- a/logic/service/fight/effect/effect_35.go
+++ b/logic/service/fight/effect/effect_35.go
@@ -1,6 +1,7 @@
 package effect
 
 import (
+	"blazing/common/utils"
 	"blazing/logic/service/fight/info"
 	"blazing/logic/service/fight/input"
 	"blazing/logic/service/fight/node"
@@ -24,9 +25,10 @@ func (e *Effect35) SkillHit() bool {
 
 	switch e.Ctx().SkillEntity.Category() {
 	case info.Category.PHYSICAL:
-		e.Ctx().SkillEntity.XML.Power += (int(e.Ctx().Opp.Prop[0]) + int(e.Ctx().Opp.Prop[1])) * 20
+
+		e.Ctx().SkillEntity.XML.Power += (int(utils.Max(e.Ctx().Opp.Prop[0], 0)) + int(utils.Max(e.Ctx().Opp.Prop[1], 0))) * 20
 	case info.Category.SPECIAL:
-		e.Ctx().SkillEntity.XML.Power += (int(e.Ctx().Opp.Prop[2]) + int(e.Ctx().Opp.Prop[3])) * 20
+		e.Ctx().SkillEntity.XML.Power += (int(utils.Max(e.Ctx().Opp.Prop[2], 0)) + int(utils.Max(e.Ctx().Opp.Prop[3], 0))) * 20
 	}
 
 	return true