fix 修复 结束监听器 flowParam 可能为null问题

疯狂的狮子Li

2025-02-06 a87071b834105217e9720505171cd9f3c67178e4

 ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IFlwInstanceService.java

@@ -123,7 +123,7 @@
     * @param instanceId 实例id
     * @return 结果
     */
    Map<String, Object> instanceVariable(String instanceId);
    Map<String, Object> instanceVariable(Long instanceId);

    /**
     * 设置流程变量