diff --git a/Study.DelegateSeries.MarkdownDoc/notes/eb31dd16-a98a-4f01-a9a3-06005deff83d.cson b/Study.DelegateSeries.MarkdownDoc/notes/eb31dd16-a98a-4f01-a9a3-06005deff83d.cson
deleted file mode 100644
index 3e41c52..0000000
--- a/Study.DelegateSeries.MarkdownDoc/notes/eb31dd16-a98a-4f01-a9a3-06005deff83d.cson
+++ /dev/null
@@ -1,13 +0,0 @@
-createdAt: "2019-05-25T17:13:49.264Z"
-updatedAt: "2019-05-25T17:17:04.080Z"
-type: "MARKDOWN_NOTE"
-folder: "06be95155db828cd7708"
-title: "df asdf"
-tags: []
-content: '''
-  # df asdf 
-  [df asdf](:note:eb31dd16-a98a-4f01-a9a3-06005deff83d)
-'''
-linesHighlighted: []
-isStarred: false
-isTrashed: false
diff --git a/Study.DelegateSeries.Test/Study.DelegateSeries.Test.csproj b/Study.DelegateSeries.Test/Study.DelegateSeries.Test.csproj
index bafacd2..501a5ce 100644
--- a/Study.DelegateSeries.Test/Study.DelegateSeries.Test.csproj
+++ b/Study.DelegateSeries.Test/Study.DelegateSeries.Test.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp2.2</TargetFramework>
 
     <IsPackable>false</IsPackable>
   </PropertyGroup>