diff --git a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/bpmn/BpmnProcessInstanceController.java b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/bpmn/BpmnProcessInstanceController.java
index 200d8ccb2..4123ef414 100644
--- a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/bpmn/BpmnProcessInstanceController.java
+++ b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/bpmn/BpmnProcessInstanceController.java
@@ -132,6 +132,13 @@ public class BpmnProcessInstanceController implements ProcessInstanceApi {
         return success(bpmnProcessInstanceService.getProcessInstanceGraphical(processInstanceId, tenantId));
     }
 
+    /**
+     * 获取指定实例的全节点执行顺序推算
+     *
+     * @param processInstanceId
+     * @param tenantId
+     * @return
+     */
     @GetMapping("/node/calc")
     @Override
     public CommonResponse<List<ProcessNodeDetailVO>> processInstanceNodeCalc(@NotBlank(message = "流程实例 ID 不能为空") @RequestParam String processInstanceId,