diff --git a/LEEAlert.podspec b/LEEAlert.podspec
index 48b13d6..0c241b8 100644
--- a/LEEAlert.podspec
+++ b/LEEAlert.podspec
@@ -11,7 +11,7 @@ s.license      = "MIT"
 s.author       = { "LEE" => "18611401994@163.com" }
 
 s.platform     = :ios
-s.platform     = :ios, "8.0"
+s.platform     = :ios, "11.0"
 
 s.source       = { :git => "https://github.com/lixiang1994/LEEAlert.git", :tag => s.version}
 
diff --git a/UPDATELOG.md b/UPDATELOG.md
index cb540ea..e14be2b 100644
--- a/UPDATELOG.md
+++ b/UPDATELOG.md
@@ -4,6 +4,7 @@
 V1.6.5
 ==============
 恢复`makeKeyAndVisible`调用
+最小系统版本改为11.0
 
 V1.6.4
 ==============