diff --git a/C#.NET/source/Yitter.IdGenerator/YitIdHelper.cs b/C#.NET/source/Yitter.IdGenerator/YitIdHelper.cs
index c7bee20..96db89b 100644
--- a/C#.NET/source/Yitter.IdGenerator/YitIdHelper.cs
+++ b/C#.NET/source/Yitter.IdGenerator/YitIdHelper.cs
@@ -42,7 +42,7 @@ namespace Yitter.IdGenerator
             if (_IdGenInstance == null)
             {
                 _IdGenInstance = new DefaultIdGenerator(
-                    new IdGeneratorOptions() { WorkerId = 1 }
+                    new IdGeneratorOptions() { WorkerId = 0 }
                     );
             }
 
diff --git a/README.md b/README.md
index fca244f..39ce6d3 100644
--- a/README.md
+++ b/README.md
@@ -3,9 +3,7 @@
 
 ## 技术支持
 
-开源地址1：https://github.com/yitter/IdGenerator
-
-开源地址2：https://gitee.com/yitter/IdGenerator
+开源地址：https://github.com/yitter/IdGenerator
 
 QQ群：646049993