1

dao/print_dao.go

@@ -95,7 +95,7 @@ func GetPrintIsUse(printNo string) (bool, string, error) {
 		return false, "", err
 	}
 	if len(result) != 1 {
-		return false, "", errors.New("打印机不存在")
+		return false, "", nil
 	}
 	return len(result) == 1, result[0].PrintKey, nil
 }