diff --git a/aspnet-core/frameworks/src/Lion.AbpPro.Core/System/DateTimeExtensions.cs b/aspnet-core/frameworks/src/Lion.AbpPro.Core/System/DateTimeExtensions.cs
index c056ea0d..c4cc7aef 100644
--- a/aspnet-core/frameworks/src/Lion.AbpPro.Core/System/DateTimeExtensions.cs
+++ b/aspnet-core/frameworks/src/Lion.AbpPro.Core/System/DateTimeExtensions.cs
@@ -177,6 +177,7 @@ public static class DateTimeExtensions
 
     /// <summary>
     /// 转为毫秒级时间戳
+    /// <param name="dateTime">时间</param>
     /// <param name="timeZoneInfo">默认 TimeZoneInfo.Utc</param>
     /// </summary>
     public static long? ToMilliSecondTimeStamp(this DateTime? dateTime, TimeZoneInfo timeZoneInfo = null)
@@ -190,7 +191,7 @@ public static class DateTimeExtensions
 
     /// <summary>
     /// 秒级时间戳转为时间
-    /// <param name="dateTime">时间</param>
+    /// <param name="timestamp">时间</param>
     /// <param name="timeZoneInfo">默认 TimeZoneInfo.Utc</param>
     /// </summary>
     public static DateTime ToDateTimeBySecondTimeStamp(this long timestamp, TimeZoneInfo timeZoneInfo = null)