diff --git a/C#.NET/source/Yitter.IdGenerator/YitIdHelper.cs b/C#.NET/source/Yitter.IdGenerator/YitIdHelper.cs
index f53f6c7..5633df3 100644
--- a/C#.NET/source/Yitter.IdGenerator/YitIdHelper.cs
+++ b/C#.NET/source/Yitter.IdGenerator/YitIdHelper.cs
@@ -39,18 +39,18 @@ namespace Yitter.IdGenerator
         /// <returns></returns>
         public static long NextId()
         {
-            if (_IdGenInstance == null)
-            {
-                lock (_IdGenInstance)
-                {
-                    if (_IdGenInstance == null)
-                    {
-                        _IdGenInstance = new DefaultIdGenerator(
-                            new IdGeneratorOptions() { WorkerId = 0 }
-                            );
-                    }
-                }
-            }
+            //if (_IdGenInstance == null)
+            //{
+            //    lock (_IdGenInstance)
+            //    {
+            //        if (_IdGenInstance == null)
+            //        {
+            //            _IdGenInstance = new DefaultIdGenerator(
+            //                new IdGeneratorOptions() { WorkerId = 0 }
+            //                );
+            //        }
+            //    }
+            //}
 
             return _IdGenInstance.NewLong();
         }
diff --git a/Java/source/src/main/java/com/github/yitter/idgen/YitIdHelper.java b/Java/source/src/main/java/com/github/yitter/idgen/YitIdHelper.java
index 31b6005..868ce02 100644
--- a/Java/source/src/main/java/com/github/yitter/idgen/YitIdHelper.java
+++ b/Java/source/src/main/java/com/github/yitter/idgen/YitIdHelper.java
@@ -34,9 +34,9 @@ public class YitIdHelper {
      * @return
      */
     public static long nextId() throws IdGeneratorException {
-        if (idGenInstance == null) {
-            idGenInstance = new DefaultIdGenerator(new IdGeneratorOptions((short) 1));
-        }
+        //if (idGenInstance == null) {
+        //    idGenInstance = new DefaultIdGenerator(new IdGeneratorOptions((short) 1));
+	 //}
 
         return idGenInstance.newLong();
     }