diff --git a/Modbus.Net/src/Base.Common/TaskManager.cs b/Modbus.Net/src/Base.Common/TaskManager.cs
index 245c661..8f42dae 100644
--- a/Modbus.Net/src/Base.Common/TaskManager.cs
+++ b/Modbus.Net/src/Base.Common/TaskManager.cs
@@ -334,7 +334,7 @@ namespace Modbus.Net
/// 构造一个TaskManager
///
/// 同时可以运行的任务数
- /// 读取数据的时间间隔(秒)
+ /// 读取数据的时间间隔(毫秒)
/// 读取数据后是否保持连接
/// 获取与设置数据的方式
public TaskManager(int maxRunningTask, int getCycle, bool keepConnect,
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