diff --git a/content/blog/2020/interrupt_hds_no1/index.md b/content/blog/2020/interrupt_hds_no1/index.md
index 75166d5..2d89e1f 100644
--- a/content/blog/2020/interrupt_hds_no1/index.md
+++ b/content/blog/2020/interrupt_hds_no1/index.md
@@ -3,7 +3,7 @@ title: "中断下半部-工作队列"
 date: 2020-06-06T10:11:52+08:00
 keywords: ["中断","工作队列"]
 categories : ["中断机制"]
-banner : "img/blogimg/workqueue.png"
+banner : "img/blogimg/workqueue.jpg"
 summary : "工作队列（work queue）是另外一种将中断的部分工作推后的一种方式，它可以实现一些tasklet不能实现的工作，比如工作队列机制可以睡眠。"
 ---
 
diff --git a/static/img/blogimg/workqueue.jpg b/static/img/blogimg/workqueue.jpg
new file mode 100644
index 0000000..8f53f28
Binary files /dev/null and b/static/img/blogimg/workqueue.jpg differ