diff --git a/docs/en/CHANGELOG.md b/docs/en/CHANGELOG.md
index 224190b0d..853699a17 100644
--- a/docs/en/CHANGELOG.md
+++ b/docs/en/CHANGELOG.md
@@ -1,10 +1,7 @@
 # Change Log
 
-#### Update Cycle
-New versions are generally released in about two weeks (emergency versions that affect functions will be released at any time).
-
 ## 5.5.0
-`To be released`
+`2020-07-26`
 + 🆕 Add back the technical indicator ohlc display.
 + 🆕 Add text `weight` configuration.
 + 🆕 A new `shouldFormatBigNumber` property is added to the custom technical indicators, which is used to inform the chart whether larger numbers need to be formatted.
diff --git a/docs/zh-CN/CHANGELOG.md b/docs/zh-CN/CHANGELOG.md
index 891f9cce9..57641915a 100644
--- a/docs/zh-CN/CHANGELOG.md
+++ b/docs/zh-CN/CHANGELOG.md
@@ -1,10 +1,7 @@
 # 版本日志
 
-#### 更新周期
-一般两周左右发布新版本（影响功能的紧急版本会随时发布）。
-
 ## 5.5.0
-`待发布`
+`2020-07-26`
 + 🆕 重新加回技术指标ohlc显示。
 + 🆕 新增文字`weight`配置。
 + 🆕 自定义技术指标新增`shouldFormatBigNumber`属性，用于告知图表是否需要格式化比较大的数字。