diff --git a/time.go b/time.go
index 004d9db..69741bc 100644
--- a/time.go
+++ b/time.go
@@ -7,7 +7,10 @@
 // Date : 2021-10-07 1:33 上午
 package util
 
-import "time"
+import (
+	"fmt"
+	"time"
+)
 
 // ownTime ...
 //
@@ -25,3 +28,52 @@ type ownTime struct {
 func (ot *ownTime) GetCurrentFormatTime() string {
 	return time.Now().Format("2006-01-02 15:04:05")
 }
+
+// FormatUnixNano 格式化纳秒时间戳
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 11:54 2022/7/14
+func (ot *ownTime) FormatUnixNano(timestamp int64) string {
+	nano := timestamp % 1e6
+	milli := timestamp / 1e6
+	return ot.FormatUnixMilli(milli) + fmt.Sprintf(" %v", nano)
+}
+
+// FormatUnixMilli 格式化毫秒时间戳
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 11:55 2022/7/14
+func (ot *ownTime) FormatUnixMilli(timestamp int64) string {
+	time.Now().UnixMilli()
+	return time.UnixMilli(timestamp).Format("2006-01-02 15:04:05.000")
+}
+
+// FormatUnixSec ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 12:06 2022/7/14
+func (ot *ownTime) FormatUnixSec(timestamp int64) string {
+	return time.UnixMilli(timestamp).Format("2006-01-02 15:04:05")
+}
+
+// ParseISO8601Time 解析 2006-01-02T15:04:05+08:00 格式时间 -> 2006-01-02 15:04:05
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 13:48 2022/7/14
+func (ot *ownTime) ParseISO8601Time(parseTime string) string {
+	var (
+		timeLayout = "2006-01-02T15:04:05+08:00"
+		formatTime time.Time
+		err        error
+	)
+
+	if formatTime, err = time.Parse(timeLayout, parseTime); nil != err {
+		return ""
+	}
+
+	return formatTime.Format("2006-01-02 15:04:05")
+}