diff --git a/source/cn/guide/integrate-devtool-to-ios.md b/source/cn/guide/integrate-devtool-to-ios.md
index f453437..602406c 100644
--- a/source/cn/guide/integrate-devtool-to-ios.md
+++ b/source/cn/guide/integrate-devtool-to-ios.md
@@ -3,7 +3,7 @@
 type: guide
 group: 开发
 order: 5.5
-version: 2.2
+version: 2.1
 ---
 
 <!-- toc -->
diff --git a/source/guide/integrate-devtool-to-ios.md b/source/guide/integrate-devtool-to-ios.md
index fb12e9a..74ec334 100644
--- a/source/guide/integrate-devtool-to-ios.md
+++ b/source/guide/integrate-devtool-to-ios.md
@@ -3,7 +3,7 @@
 type: guide
 group: Develop
 order: 5.5
-version: 2.2
+version: 2.1
 ---
 
 <!-- toc -->