diff --git a/ST.Library.UI/STNodeEditor/STNode.cs b/ST.Library.UI/STNodeEditor/STNode.cs
index a6c4e1f..5119534 100755
--- a/ST.Library.UI/STNodeEditor/STNode.cs
+++ b/ST.Library.UI/STNodeEditor/STNode.cs
@@ -6,7 +6,35 @@ using System.Text;
 using System.Drawing;
 using System.Windows.Forms;
 using System.Collections;
+/*
+MIT License
 
+Copyright (c) 2021 DebugST@crystal_lz
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+/*
+ * time: 2021-01-06
+ * Author: Crystal_lz
+ * blog: st233.com
+ * Github: DebugST.github.io
+ */
 namespace ST.Library.UI
 {
     public abstract class STNode
diff --git a/ST.Library.UI/STNodeEditor/STNodeControl.cs b/ST.Library.UI/STNodeEditor/STNodeControl.cs
index ba78121..3c0d4a3 100755
--- a/ST.Library.UI/STNodeEditor/STNodeControl.cs
+++ b/ST.Library.UI/STNodeEditor/STNodeControl.cs
@@ -4,7 +4,35 @@ using System.Linq;
 using System.Text;
 using System.Windows.Forms;
 using System.Drawing;
+/*
+MIT License
 
+Copyright (c) 2021 DebugST@crystal_lz
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+/*
+ * time: 2021-01-06
+ * Author: Crystal_lz
+ * blog: st233.com
+ * Github: DebugST.github.io
+ */
 namespace ST.Library.UI
 {
     public class STNodeControl
diff --git a/ST.Library.UI/STNodeEditor/STNodeEditor.cs b/ST.Library.UI/STNodeEditor/STNodeEditor.cs
index 7b9de23..b8b0597 100755
--- a/ST.Library.UI/STNodeEditor/STNodeEditor.cs
+++ b/ST.Library.UI/STNodeEditor/STNodeEditor.cs
@@ -10,7 +10,35 @@ using System.Drawing.Drawing2D;
 using System.Threading;
 using System.ComponentModel;
 using System.Reflection;
+/*
+MIT License
 
+Copyright (c) 2021 DebugST@crystal_lz
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+/*
+ * time: 2021-01-06
+ * Author: Crystal_lz
+ * blog: st233.com
+ * Github: DebugST.github.io
+ */
 namespace ST.Library.UI
 {
     public class STNodeEditor : Control
diff --git a/ST.Library.UI/STNodeEditor/STNodeHub.cs b/ST.Library.UI/STNodeEditor/STNodeHub.cs
index 70f4cbb..0ce6efe 100755
--- a/ST.Library.UI/STNodeEditor/STNodeHub.cs
+++ b/ST.Library.UI/STNodeEditor/STNodeHub.cs
@@ -2,7 +2,35 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+/*
+MIT License
 
+Copyright (c) 2021 DebugST@crystal_lz
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+/*
+ * time: 2021-01-06
+ * Author: Crystal_lz
+ * blog: st233.com
+ * Github: DebugST.github.io
+ */
 namespace ST.Library.UI
 {
     public class STNodeHub : STNode
diff --git a/docs/index.html b/docs/index.html
index a58b7d7..bcf1fa7 100755
--- a/docs/index.html
+++ b/docs/index.html
@@ -12,7 +12,7 @@
         <div id="div_body">
             <div style="text-align:center">
                 <span class="span_title">STNodeEditor</span><br/>
-                <a class="a_top_btn" href="https://DebugST.github.io/DotNet_WinForm_NodeEditor">项目地址</a><a class="a_top_btn" href="./doc.html">开发文档</a><a class="a_top_btn" href="./ST.Library.UI.dll">类库下载</a>
+                <a class="a_top_btn" href="https://github.com/DebugST/DotNet_WinForm_NodeEditor">项目地址</a><a class="a_top_btn" href="./doc.html">开发文档</a><a class="a_top_btn" href="./STNodeEditor.zip">类库下载</a>
             </div>
             <div style="padding:5px 20px;">
                 <hr/>