diff --git a/C#.NET/source/Yitter.IdGenerator/Core/SnowWorkerM1.cs b/C#.NET/source/Yitter.IdGenerator/Core/SnowWorkerM1.cs
index 96b011b..25f75e8 100644
--- a/C#.NET/source/Yitter.IdGenerator/Core/SnowWorkerM1.cs
+++ b/C#.NET/source/Yitter.IdGenerator/Core/SnowWorkerM1.cs
@@ -66,7 +66,11 @@ namespace Yitter.IdGenerator
         protected int _GenCountInOneTerm = 0;
         protected int _TermIndex = 0;
 
+        //private static long _StartTimeTick = 0;
+        //private static long _BaseTimeTick = 0;
+
         public Action<OverCostActionArg> GenAction { get; set; }
+
 
         public SnowWorkerM1(IdGeneratorOptions options)
         {
@@ -104,6 +108,9 @@ namespace Yitter.IdGenerator
 
             _TimestampShift = (byte)(WorkerIdBitLength + SeqBitLength);
             _CurrentSeqNumber = options.MinSeqNumber;
+
+            //_BaseTimeTick = BaseTime.Ticks;
+            //_StartTimeTick = (long)(DateTime.UtcNow.Subtract(BaseTime).TotalMilliseconds) - Environment.TickCount;
         }
 
 
@@ -314,6 +321,8 @@ namespace Yitter.IdGenerator
 
         protected virtual long GetCurrentTimeTick()
         {
+            //return (long)(DateTime.UtcNow - BaseTime).Ticks;
+            //return (long)(_StartTimeTick + Environment.TickCount);
             return (long)(DateTime.UtcNow - BaseTime).TotalMilliseconds;
         }
 
@@ -332,7 +341,7 @@ namespace Yitter.IdGenerator
 
         public virtual long NextId()
         {
-           lock (_SyncLock)
+            lock (_SyncLock)
             {
                 return _IsOverCost ? NextOverCostId() : NextNormalId();
             }
diff --git a/Go/source/contract/IdGeneratorOptions.go b/Go/source/contract/IdGeneratorOptions.go
index 07bcf65..bd2afc2 100644
--- a/Go/source/contract/IdGeneratorOptions.go
+++ b/Go/source/contract/IdGeneratorOptions.go
@@ -8,7 +8,7 @@ package contract
 
 type IdGeneratorOptions struct {
 	Method            uint16 // 雪花计算方法,（1-漂移算法|2-传统算法），默认1
-	BaseTime          int64  // 基础时间，不能超过当前系统时间
+	BaseTime          int64  // 基础时间（ms单位），不能超过当前系统时间
 	WorkerId          uint16 // 机器码，与 WorkerIdBitLength 有关系
 	WorkerIdBitLength byte   // 机器码位长，范围：1-21（要求：序列数位长+机器码位长不超过22）
 	SeqBitLength      byte   // 序列数位长，范围：2-21（要求：序列数位长+机器码位长不超过22）
diff --git a/Java/source/src/main/java/com/yitter/contract/IdGeneratorOptions.java b/Java/source/src/main/java/com/yitter/contract/IdGeneratorOptions.java
index b6dbf89..2d1dfbb 100644
--- a/Java/source/src/main/java/com/yitter/contract/IdGeneratorOptions.java
+++ b/Java/source/src/main/java/com/yitter/contract/IdGeneratorOptions.java
@@ -17,7 +17,7 @@ public class IdGeneratorOptions {
     public short Method = 1;
 
     /**
-     * 基础时间
+     * 基础时间（ms单位）
      * 不能超过当前系统时间
      */
     public long BaseTime = 1582136402000L;
diff --git a/README.md b/README.md
index 6c8c035..106ed9a 100644
--- a/README.md
+++ b/README.md
@@ -187,7 +187,7 @@ Rust：[查看示例][4]
 
 QQ群：646049993
 
-即将推出 C/Rust 等版本。
+即将推出 C 等版本。
 
 
 [1]: https://gitee.com/yitter/idgenerator/tree/master/C%23.NET
diff --git a/Rust/source/src/yitgen/contract/id_generator_options.rs b/Rust/source/src/yitgen/contract/id_generator_options.rs
index ee47c11..ab5a634 100644
--- a/Rust/source/src/yitgen/contract/id_generator_options.rs
+++ b/Rust/source/src/yitgen/contract/id_generator_options.rs
@@ -6,7 +6,7 @@
 pub struct IdGeneratorOptions {
     /// 雪花计算方法,（1-漂移算法|2-传统算法），默认1
     pub Method: u8,
-    /// 基础时间，不能超过当前系统时间
+    /// 基础时间（ms单位），不能超过当前系统时间
     pub BaseTime: i64,
     /// 机器码，与 WorkerIdBitLength 有关系
     pub WorkerId: u32,