diff --git a/Browser_Noad_12.4.17(1)-miuipurify.apk b/Browser_Noad_12.7.21-miuipurify.apk
similarity index 88%
rename from Browser_Noad_12.4.17(1)-miuipurify.apk
rename to Browser_Noad_12.7.21-miuipurify.apk
index 841278a..8608805 100644
Binary files a/Browser_Noad_12.4.17(1)-miuipurify.apk and b/Browser_Noad_12.7.21-miuipurify.apk differ
diff --git a/README.md b/README.md
index 5746e84..49852e2 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,9 @@
 
 
 #### 更新日志
+* `2020.9.4`
+> 基于MIUI12浏览器12.7.21版<br>
+
 * `2020.8.20`
 > 修复`去除资讯首页热搜与搜索建议`失败问题<br>
 
@@ -68,3 +71,6 @@
 
 * `2020.2.18`
 > 同步更新MIUI11-11.4.17版<br>
+
+#### 注意事项
+- 无法过滤广告，清除浏览器数据重进即可