diff --git a/modules/hero/module.go b/modules/hero/module.go
index 8466768c1..2ef250c36 100644
--- a/modules/hero/module.go
+++ b/modules/hero/module.go
@@ -299,6 +299,7 @@ func (this *Hero) AddHeroExp(session comm.IUserSession, heroObjID string, exp in
 		_hero       *pb.DBHero
 		_changeHero []*pb.DBHero // 变化的英雄
 	)
+	_hero = &pb.DBHero{}
 	if heroObjID == "" {
 		return
 	}