diff --git a/src/Snap.Hutao/Snap.Hutao.SourceGeneration/README.md b/src/Snap.Hutao/Snap.Hutao.SourceGeneration/README.md
index b5817d5..6205506 100644
--- a/src/Snap.Hutao/Snap.Hutao.SourceGeneration/README.md
+++ b/src/Snap.Hutao/Snap.Hutao.SourceGeneration/README.md
@@ -1,4 +1,8 @@
 # Snap.Hutao.SourceGeneration
+
+> 生成器包的备份，目前还可以从nuget上获取，所以暂时不需要使用该目录  
+> https://www.nuget.org/packages/Snap.Hutao.SourceGeneration/1.3.14
+
 Source Code Generator for Snap.Hutao
 
 # Development Guideline
@@ -7,4 +11,4 @@ Use https://roslynquoter.azurewebsites.net/ to get SyntaxTree
 
 1. Every `IncrementalValue(s)Provider<T>`'s step result should be an `IEquatable<T>` to make it really becomes incremental.
 2. So the intermediate models should be a `record (class/struct)` if possible
-3. Intermediate array/enumerable should be a `ImmutableArray<T>` if possible, the pipeline use IA internally and has special check for it.
\ No newline at end of file
+3. Intermediate array/enumerable should be a `ImmutableArray<T>` if possible, the pipeline use IA internally and has special check for it.