diff --git a/book.json b/book.json
index 7db755fa7..75b66a1df 100644
--- a/book.json
+++ b/book.json
@@ -55,7 +55,7 @@
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-            "copyright": "<p><a href=https://github.com/alipay/sofa-mesh>SOFAMesh - 基于 Istio 的大规模服务网格解决方案</a> | <a href=https://github.com/alipay/sofa-mosn>SOFAMosn - Golang 版的高性能 Service Mesh Sidecar 代理</a></p>Copyright © jimmysong.io 2017-2018",
+            "copyright": "<p><a href=https://github.com/alipay/sofa-mesh>SOFAMesh - 基于 Istio 的大规模服务网格解决方案</a> | <a href=https://github.com/alipay/sofa-mosn>SOFAMosn - Golang 版的高性能 Service Mesh Sidecar 代理</a></p><p><a href=https://ws3.sinaimg.cn/large/006tNbRwly1fw3ftkqyvfj30yi1pdn6q.jpg data-lightbox=2fd927ee-fa64-4eca-8ed5-6bd72b573a3c>算法面试通关 40 讲 by 覃超</a> | <a href=https://ws1.sinaimg.cn/large/006tNbRwly1fw3fzx37obj30yi1pdk1r.jpg data-lightbox=2fd927ee-fa64-4eca-8ed5-6bd72b573a33>深入剖析 Kubernetes by 张磊</a></p>Copyright © jimmysong.io 2017-2018",
             "modify_label": " Updated at ",
             "modify_format": "YYYY-MM-DD HH:mm:ss"
         },