Update zh/changelog.mdx

Author: mintlify[bot]

zh/changelog.mdx

@@ -290,7 +290,7 @@ noindex: true
   * 面向使用自定义 UI 库的企业客户的内部 DX 改进——我们现在更容易在更短周期内纳入你的组件并响应需求
 </Update>
 
-<Update label="July 27 - August 2" tags={["Improvements"]} rss={{ title: "Weekly Updates", description: "Authentication improvements, search enhancements, and assistant API" }}>
+<Update label="August 2" tags={["Improvements"]} rss={{ title: "Weekly Updates", description: "Authentication improvements, search enhancements, and assistant API" }}>
   ## 认证改进
 
   * 改进本地环境下的认证体验，加快该产品领域的认证功能开发与缺陷修复