diff --git a/src/Yitter.IdGenerator/ISnowWorker.cs b/src/Yitter.IdGenerator/ISnowWorker.cs
index 361d457..d91ab10 100644
--- a/src/Yitter.IdGenerator/ISnowWorker.cs
+++ b/src/Yitter.IdGenerator/ISnowWorker.cs
@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Text;
-using static Yitter.IdGenerator.IIdGenerator;
 
 namespace Yitter.IdGenerator
 {
diff --git a/src/Yitter.IdGenerator/YitIdGenerator.cs b/src/Yitter.IdGenerator/YitIdGenerator.cs
index f67ba5d..6bf6d10 100644
--- a/src/Yitter.IdGenerator/YitIdGenerator.cs
+++ b/src/Yitter.IdGenerator/YitIdGenerator.cs
@@ -29,7 +29,7 @@ namespace Yitter.IdGenerator
 
             if (options.SeqBitLength + options.WorkerIdBitLength > 22)
             {
-                throw new ApplicationException("不满足条件：WorkerIdBitLength + SeqBitLength <= 22");
+                throw new ApplicationException("error：WorkerIdBitLength + SeqBitLength <= 22");
             }
 
             var maxWorkerIdNumber = Math.Pow(2, options.WorkerIdBitLength) - 1;
@@ -72,7 +72,6 @@ namespace Yitter.IdGenerator
             {
                 Thread.Sleep(500);
             }
-
         }