[dubbo-website] branch master updated: [fix] 新增场景 (#1180)

[albumenj]

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The following commit(s) were added to refs/heads/master by this push:
     new 7eb1188cf5 [fix] 新增场景 (#1180)
7eb1188cf5 is described below

commit 7eb1188cf51081f7c8ebea9197a86b4e14be449d
Author: JIAN ZHONG <11638...@qq.com>
AuthorDate: Sun Jul 3 11:21:53 2022 +0800

    [fix] 新增场景 (#1180)
---
 .../advanced-features-and-usage/performance/reference-config-cache.md  | 3 +++
 1 file changed, 3 insertions(+)

diff --git 
a/content/zh/docs3-building/java-sdk/advanced-features-and-usage/performance/reference-config-cache.md
 
b/content/zh/docs3-building/java-sdk/advanced-features-and-usage/performance/reference-config-cache.md
index 16d03ba305..26246578ef 100644
--- 
a/content/zh/docs3-building/java-sdk/advanced-features-and-usage/performance/reference-config-cache.md
+++ 
b/content/zh/docs3-building/java-sdk/advanced-features-and-usage/performance/reference-config-cache.md
@@ -12,6 +12,9 @@ description: "在 Dubbo3 中缓存 ReferenceConfig"
 
 因此，自 `2.4.0` 版本开始， dubbo 提供了简单的工具类 `ReferenceConfigCache`用于缓存 
`ReferenceConfig` 实例。
 ## 使用场景
+
+网关等存在动态创建订阅的场景，由于 ReferenceConfig 本身很重，会创建特别多的中间对象，而 proxy 本身是可以复用的，所以通过 
ReferenceConfigCache 可以缓存这部分的属性。
+
 ## 使用方式
 消除 Cache 中的 `ReferenceConfig`，将销毁 `ReferenceConfig` 并释放对应的资源。
 ```java