diff --git a/modules/items/api_potionsynthesis.go b/modules/items/api_potionsynthesis.go
index 027d482ba..e88df9f51 100644
--- a/modules/items/api_potionsynthesis.go
+++ b/modules/items/api_potionsynthesis.go
@@ -34,7 +34,7 @@ func (this *apiComp) PotionSynthesis(session comm.IUserSession, req *pb.ItemsPot
 			N: v.N * req.Num,
 		}
 	}
-	if code = this.module.ConsumeRes(session, configure.Material, true); code != pb.ErrorCode_Success {
+	if code = this.module.ConsumeRes(session, need, true); code != pb.ErrorCode_Success {
 		return
 	}
 	give = make([]*cfg.Gameatn, 0)