fix 修复 params可能为null问题

疯狂的狮子Li

2025-01-22 aeaa33ebd3c6be4f15da6b72dd56c27637b7047e

 ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/controller/FlwInstanceController.java

@@ -138,7 +138,7 @@
     * @param instanceId 流程实例id
     */
    @GetMapping("/instanceVariable/{instanceId}")
    public R<Map<String, Object>> instanceVariable(@PathVariable String instanceId) {
    public R<Map<String, Object>> instanceVariable(@PathVariable Long instanceId) {
        return R.ok(flwInstanceService.instanceVariable(instanceId));
    }