diff --git a/03-UnrealEngine/Animation/UE5动画重定向笔记.md b/03-UnrealEngine/Animation/UE5动画重定向笔记.md
index 549749c..c37f6ea 100644
--- a/03-UnrealEngine/Animation/UE5动画重定向笔记.md
+++ b/03-UnrealEngine/Animation/UE5动画重定向笔记.md
@@ -40,3 +40,4 @@ FChainDecoderFK::DecodePose():
 
 
 # FBX
+https://help.autodesk.com/view/FBX/2020/ENU/?guid=FBX_Developer_Help_welcome_to_the_fbx_sdk_html
\ No newline at end of file