diff --git a/README.md b/README.md
index ffadb1f..2145fb9 100644
--- a/README.md
+++ b/README.md
@@ -12,8 +12,7 @@ This is the documentation of FeedMe.
 
 ## Version:
 - release: 3.20.14
-- beta: 3.20.14 (join beta test: https://play.google.com/apps/testing/com.seazon.feedme)
-- canary: 4.0.0-Canary-11 (only available on Github)
+- beta: 4.0.0 (join beta test: https://play.google.com/apps/testing/com.seazon.feedme)
 
 ## Download:
 - https://play.google.com/store/apps/details?id=com.seazon.feedme
diff --git a/doc/en/patches.md b/doc/en/patches.md
index fa9e9e5..304e847 100644
--- a/doc/en/patches.md
+++ b/doc/en/patches.md
@@ -1,3 +1,7 @@
+### 4.0.0
+###### 2023-8-30
+- [fix] Fix failed to import/export OPML issue.
+
 ### 4.0.0-Canary-11
 ###### 2023-8-20
 - [DE-BUFF] Show AD in article list.
diff --git a/doc/zh/README.md b/doc/zh/README.md
index e5801c7..ea93a20 100644
--- a/doc/zh/README.md
+++ b/doc/zh/README.md
@@ -12,8 +12,7 @@ FeedMe是一个RSS阅读器，支持以下RSS服务：
 
 ## 版本:
 - 正式: 3.20.14
-- 测试: 3.20.14 (加入beta测试: https://play.google.com/apps/testing/com.seazon.feedme)
-- canary: 4.0.0-Canary-11 (仅在Github下载)
+- 测试: 4.0.0 (加入beta测试: https://play.google.com/apps/testing/com.seazon.feedme)
 
 ## 下载:
 - https://play.google.com/store/apps/details?id=com.seazon.feedme
diff --git a/doc/zh/patches.md b/doc/zh/patches.md
index 8a1a9ea..fd14fd4 100644
--- a/doc/zh/patches.md
+++ b/doc/zh/patches.md
@@ -1,3 +1,7 @@
+### 4.0.0
+###### 2023-8-30
+- [修复] 修复导入导出 OPML 失败的问题。
+
 ### 4.0.0-Canary-11
 ###### 2023-8-20
 - [DE-BUFF] 在文章列表中显示广告。