src/main/java/com/ruoyi/purchase/controller/TicketRegistrationController.java
@@ -86,6 +86,9 @@
    @GetMapping("/getProductRecordById")
    public AjaxResult getProductRecordById(Long id) {
        if (id == null) {
            return AjaxResult.error("参数错误");
        }
        return AjaxResult.success(productRecordService.getProductRecordById(id));
    }