diff --git a/GumpTechDocument.md b/GumpTechDocument.md
index 1044616..7677aed 100644
--- a/GumpTechDocument.md
+++ b/GumpTechDocument.md
@@ -2,7 +2,7 @@ GumpTech SDK 接入文档分为以下几个部分
 ------------------------------------
 
 Android SDK 下载地址：[click here]()
-
+IOS SDk     下载地址：[click here]()