[dubbo-website] branch master updated: Update fault-tolerent-strategy.md (#2503)

[albumenj]

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The following commit(s) were added to refs/heads/master by this push:
     new 7add1876d5 Update fault-tolerent-strategy.md (#2503)
7add1876d5 is described below

commit 7add1876d5ca5a9853b022404b0e9d2a074cd4d8
Author: Mford Jody <11638...@qq.com>
AuthorDate: Mon Apr 10 07:24:54 2023 +0800

    Update fault-tolerent-strategy.md (#2503)
---
 content/zh-cn/docsv2.7/user/examples/fault-tolerent-strategy.md | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/content/zh-cn/docsv2.7/user/examples/fault-tolerent-strategy.md 
b/content/zh-cn/docsv2.7/user/examples/fault-tolerent-strategy.md
index a2492c1dcf..e8aec7cf4d 100644
--- a/content/zh-cn/docsv2.7/user/examples/fault-tolerent-strategy.md
+++ b/content/zh-cn/docsv2.7/user/examples/fault-tolerent-strategy.md
@@ -8,8 +8,7 @@ type: docs
 weight: 2
 ---
 
-
-
+## 背景
 在集群调用失败时，Dubbo 提供了多种容错方案，缺省为 failover 重试。
 
 ![cluster](/imgs/user/cluster.jpg)
@@ -92,7 +91,7 @@ broadcast.fail.percent=20 代表了当 20% 的节点调用失败就抛出异常
 `2.1.0` 开始支持
 {{% /alert %}}
 
-## 集群模式配置
+### 集群模式配置
 
 按照以下示例在服务提供方和消费方配置集群模式
 
@@ -104,4 +103,4 @@ broadcast.fail.percent=20 代表了当 20% 的节点调用失败就抛出异常
 
 ```xml
 <dubbo:reference cluster="failsafe" />
-```
\ No newline at end of file
+```