diff --git a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/manage/PrintAdminController.java b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/manage/PrintAdminController.java
index 6fd58399c..272bb4770 100644
--- a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/manage/PrintAdminController.java
+++ b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/manage/PrintAdminController.java
@@ -17,7 +17,6 @@ import cn.axzo.workflow.core.engine.cmd.CustomGetFormInstanceLatestValuesCmd;
 import cn.axzo.workflow.core.engine.cmd.CustomGetProcessInstanceVariablesCmd;
 import cn.axzo.workflow.core.service.BpmnProcessDefinitionService;
 import cn.axzo.workflow.core.service.BpmnProcessInstanceService;
-import cn.axzo.workflow.core.service.support.forecast.impl.UserTaskForecasting;
 import cn.axzo.workflow.server.common.annotation.ErrorReporter;
 import cn.axzo.workflow.server.common.util.RpcExternalUtil;
 import cn.axzo.workflow.server.controller.web.bpmn.BpmnProcessInstanceController;
@@ -36,7 +35,6 @@ import org.flowable.form.model.FormContainer;
 import org.flowable.form.model.FormField;
 import org.flowable.form.model.SimpleFormModel;
 import org.flowable.spring.SpringProcessEngineConfiguration;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.ObjectUtils;
 import org.springframework.util.StringUtils;
@@ -103,12 +101,11 @@ public class PrintAdminController implements PrintAdminApi {
     private BpmnProcessInstanceController bpmnProcessInstanceController;
     @Resource
     private BpmnProcessInstanceService bpmnProcessInstanceService;
-    @Autowired
-    private UserTaskForecasting userTaskForecasting;
 
+    @Operation(summary = "查询指定流程实例是否能使用打印")
     @Override
     @PostMapping("/template/exists")
-    public CommonResponse<Boolean> hasPrintTemplate(String processInstanceId) {
+    public CommonResponse<Boolean> hasPrintTemplate(@NotBlank(message = "流程实例不能为空") @RequestParam String processInstanceId) {
         return CommonResponse.success(bpmnProcessInstanceService.hasPrintTemplate(processInstanceId, null));
     }