修改swagger文档显示

src/main/java/com/aizuda/boot/modules/flw/controller/ProcessTaskController.java

@@ -74,7 +74,7 @@ public class ProcessTaskController extends ApiController {
     })
     @Permission("flw:processTask:approval")
     @PostMapping("/approval-info")
-    public TaskApprovalVO approvalInfo(@RequestParam Long instanceId, Long taskId) {
+    public TaskApprovalVO approvalInfo(@RequestParam Long instanceId, @RequestParam(required = false) Long taskId) {
         return processTaskService.approvalInfo(instanceId, taskId);
     }