diff --git a/Assets/MsgTransmitTools/util.meta b/Assets/MsgTransmitTools/util.meta
new file mode 100644
index 0000000..a8c4653
--- /dev/null
+++ b/Assets/MsgTransmitTools/util.meta
@@ -0,0 +1,8 @@
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diff --git a/Assets/MsgTransmitTools/util/SystemDateUtil.cs b/Assets/MsgTransmitTools/util/SystemDateUtil.cs
new file mode 100644
index 0000000..a75b077
--- /dev/null
+++ b/Assets/MsgTransmitTools/util/SystemDateUtil.cs
@@ -0,0 +1,39 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using System;
+using System.Globalization;
+
+namespace JXSoft { 
+    public class SystemDateUtil 
+    {
+        public const string FULL_DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";
+        public const string DATE_FORMAT = "yyyy-MM-dd";
+        public const string TIME_FORMAT = "HH:mm:ss";
+        public static string getFullDateMsg()
+        {
+            return DateTime.Now.ToString("yyyy-MM-dd") + " " + DateTime.Now.ToString("HH:mm:ss");
+        }
+        public static string getDayDateMsg()
+        {
+            return DateTime.Now.ToString("HH:mm:ss");
+        }
+        public static long getTimeStamp() {
+            TimeSpan ts = DateTime.Now - new DateTime(1970, 1, 1, 8, 0, 0, 0);
+            return Convert.ToInt64(ts.TotalSeconds);
+        }
+
+        public static string getFullTimeFromTimeStamp(string timeStamp) {
+            DateTime dateTime = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
+            long lTime = long.Parse(timeStamp + "0000000");
+            TimeSpan toNow = new TimeSpan(lTime);
+            dateTime = dateTime.Add(toNow);
+            return dateTime.ToString("yyyy-MM-dd") + " " + dateTime.ToString("HH:mm:ss");
+        }
+
+        public static DateTime getDateTimeFromFullStr(string dateString, string formatString) {
+            DateTime dateTime = DateTime.ParseExact(dateString, formatString, CultureInfo.InvariantCulture);
+            return dateTime;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/MsgTransmitTools/util/SystemDateUtil.cs.meta b/Assets/MsgTransmitTools/util/SystemDateUtil.cs.meta
new file mode 100644
index 0000000..790ee87
--- /dev/null
+++ b/Assets/MsgTransmitTools/util/SystemDateUtil.cs.meta
@@ -0,0 +1,11 @@
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