From 971a423b1237f1b6e05439a9dc7a7c9a477b6976 Mon Sep 17 00:00:00 2001
From: Jimmy Song <rootsongjc@gmail.com>
Date: Wed, 20 Oct 2021 11:41:36 +0800
Subject: [PATCH] update tutorials

---
 usecases/istio-tutorials-collection.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/usecases/istio-tutorials-collection.md b/usecases/istio-tutorials-collection.md
index 9697020ef..8a7e265d6 100644
--- a/usecases/istio-tutorials-collection.md
+++ b/usecases/istio-tutorials-collection.md
@@ -10,7 +10,9 @@
 
 ![Tetrate Istio 基础教程](../images/tetrate-istio-fundamentals.png)
 
-地址：https://academy.tetrate.io/courses/istio-fundamentals
+- 英文版地址：<https://academy.tetrate.io/courses/istio-fundamentals>
+
+- 中文版地址：<https://academy.tetrate.io/courses/istio-fundamentals-zh>
 
 ## Katacode上的Istio学习环境
 
@@ -60,4 +62,4 @@ GitHub地址：https://github.com/IBM/microservices-traffic-management-using-ist
 
 推荐指数：⭑⭑⭑⭑⭑
 
-推荐原因：由 ServiceMesher 共同撰写的开源 Istio 电子书，作为国内最早最大最专业的服务网格社区，这本书是社区共同经验的结晶。阅读地址 https://www.servicemesher.com/istio-handbook/
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+推荐原因：由 ServiceMesher 共同撰写的开源 Istio 电子书，这本书是社区经验的结晶，本书的免费预览版阅读地址 <https://www.servicemesher.com/istio-handbook/>，实体书将于 2022 年春季上市。
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