diff --git a/workflow-engine-spring-boot-starter/src/main/java/cn/axzo/workflow/starter/api/WorkflowManageService.java b/workflow-engine-spring-boot-starter/src/main/java/cn/axzo/workflow/starter/api/WorkflowManageService.java
index e34f157e8..1cf6dace8 100644
--- a/workflow-engine-spring-boot-starter/src/main/java/cn/axzo/workflow/starter/api/WorkflowManageService.java
+++ b/workflow-engine-spring-boot-starter/src/main/java/cn/axzo/workflow/starter/api/WorkflowManageService.java
@@ -59,10 +59,8 @@ import cn.axzo.workflow.common.model.response.category.CategoryConfigItemVO;
 import cn.axzo.workflow.common.model.response.category.CategoryItemVO;
 import org.springframework.cloud.openfeign.FeignClient;
 import org.springframework.web.bind.annotation.PathVariable;
-import cn.axzo.workflow.common.model.request.form.definition.FormDefinitionSearchDTO;
 import cn.axzo.workflow.common.model.request.form.definition.StartFormSearchDTO;
 import cn.axzo.workflow.common.model.request.form.instance.FormDetailDTO;
-import cn.axzo.workflow.common.model.request.form.instance.FormInstanceSearchDTO;
 import cn.axzo.workflow.common.model.request.form.instance.FormSearchDTO;
 import cn.axzo.workflow.common.model.response.form.FormVO;
 import cn.axzo.workflow.common.model.response.form.definition.FormDefinitionVO;
@@ -467,6 +465,15 @@ public interface WorkflowManageService {
     @InvokeMode(SYNC)
     FormDefinitionVO getFormDefinition(@Validated @RequestBody StartFormSearchDTO dto);
 
+    /**
+     * 查询指定审批实例的表单模型和数据
+     * <p>
+     * dto 中的 processInstanceId 与 taskId，至少有一个属性有值，一般建议直接使用实例 ID。
+     * 当传入 taskId 时，将只查询该任务绑定的表单模型和数据。
+     *
+     * @param dto
+     * @return
+     */
     @PostMapping("/api/form/instance/render")
     @InvokeMode(SYNC)
     FormInstanceVO getFormInstance(@Validated @RequestBody FormDetailDTO dto);