diff --git a/modules/items/api_useItem.go b/modules/items/api_useItem.go
index ac65ed1bb..db6356281 100644
--- a/modules/items/api_useItem.go
+++ b/modules/items/api_useItem.go
@@ -159,6 +159,23 @@ func (this *apiComp) Useitem(session comm.IUserSession, req *pb.ItemsUseItemReq)
 		if code = this.module.DispenseRes(session, sale, true); code != pb.ErrorCode_Success {
 			return
 		}
+	case 11: //药剂使用
+		sale := make([]*cfg.Gameatn, 0, len(prop))
+		for _, v := range itemcf.DecomposeDeplete {
+			sale = append(sale, &cfg.Gameatn{
+				A: v.A,
+				T: v.T,
+				N: v.N * int32(req.Amount),
+			})
+
+		}
+		if code = this.module.AddItemforGrid(session, req.GridId, -1*int32(req.Amount), true); code != pb.ErrorCode_Success {
+			return
+		}
+		if code = this.module.DispenseRes(session, sale, true); code != pb.ErrorCode_Success {
+			return
+		}
+		break
 	default:
 		code = pb.ErrorCode_ItemsUseNotSupported
 		return