diff --git a/doc/IOSDocument.md b/doc/IOSDocument.md
index 88bd332..336d4ae 100644
--- a/doc/IOSDocument.md
+++ b/doc/IOSDocument.md
@@ -42,7 +42,7 @@ Xcode 4: Open your Info.plist then add a new row URL Types. Set the URL identifi
 	//[LetsGameAPI instance].vkBridge = vkBridge;
 	
 	//隐藏fb登录
-	[LetsGameAPI disableFB:NO];
+	[LetsGameAPI disableFB:YES];
 	
 	//隐藏gumptech的logo
 	[LetsGameAPI hiddenLogo:YES];