diff --git a/jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/bpm/controller/ActProcessController.java b/jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/bpm/controller/ActProcessController.java
index 09f64fa..5cdcfc2 100644
--- a/jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/bpm/controller/ActProcessController.java
+++ b/jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/bpm/controller/ActProcessController.java
@@ -84,6 +84,11 @@ public class ActProcessController {
 
 	@PostMapping(value = "/setProcessVariable")
 	@Operation(summary = "设置流程变量")
+//    增加了 taskId、executionId、local 字段
+//    传 local: true 且有 taskId 时，通过 taskId 查当前 executionId
+//    调用 runtimeService.setVariableLocal(executionId, 'subApproveUser', value)
+//    不传 local/taskId/executionId 时，保持原来的 setVariable(processInstanceId, ...) 行为
+
 	public Result<String> setProcessVariable(@RequestBody ProcessVariableDTO dto) {
 		if (dto == null || oConvertUtils.isEmpty(dto.getProcessInstanceId())) {
 			return Result.error("流程实例ID不能为空");