diff --git a/zh-cn/device-dev/kernel/kernel-small-basic-interrupt.md b/zh-cn/device-dev/kernel/kernel-small-basic-interrupt.md
index f301f86be53fb5872f11721c84e0896666d26454..b02fbca5f53e91e52c9d4458a89b538c6e76859c 100644
--- a/zh-cn/device-dev/kernel/kernel-small-basic-interrupt.md
+++ b/zh-cn/device-dev/kernel/kernel-small-basic-interrupt.md
@@ -24,6 +24,7 @@
 以ARMv7-a架构为例，中断和异常处理的入口为中断向量表，中断向量表包含各个中断和异常处理的入口函数。
 
 **图1** 中断向量表
+
 ![zh-cn_image_0000001199713709](figures/zh-cn_image_0000001199713709.png)