修改

src/main/resources/mapper/TaskMapper.xml

@@ -85,6 +85,7 @@ from task
         select id, worker_id, member_id, template_id, scenic_id, task_params, video_url, `status`, result, create_time, update_time
         from task
         where status = 0 and worker_id is null
+        limit 1
     </select>
     <select id="countTask" resultType="java.lang.Integer">
         select count(1) from task