diff --git a/src/server/common/sender/mm.go b/src/server/common/sender/mm.go
index 1435a1fb..cd3ff4d5 100644
--- a/src/server/common/sender/mm.go
+++ b/src/server/common/sender/mm.go
@@ -2,6 +2,7 @@ package sender
 
 import (
 	"net/url"
+	"strings"
 	"time"
 
 	"github.com/didi/nightingale/v5/src/pkg/poster"
@@ -19,6 +20,14 @@ type mm struct {
 	Text     string `json:"text"`
 }
 
+func MapStrToStr(arr []string, fn func(s string) string) []string {
+	var newArray = []string{}
+	for _, it := range arr {
+		newArray = append(newArray, fn(it))
+	}
+	return newArray
+}
+
 func SendMM(message MatterMostMessage) {
 
 	for i := 0; i < len(message.Tokens); i++ {
@@ -33,6 +42,13 @@ func SendMM(message MatterMostMessage) {
 		}
 
 		channels := v["channel"] // do not get
+		txt := ""
+		atuser := v["atuser"]
+		if len(atuser) != 0 {
+			txt = strings.Join(MapStrToStr(atuser, func(u string) string {
+				return "@" + u
+			}), ",") + "\n"
+		}
 		username := v.Get("username")
 		if err != nil {
 			logger.Errorf("mm_sender: failed to parse error=%v", err)
@@ -43,7 +59,7 @@ func SendMM(message MatterMostMessage) {
 			body := mm{
 				Channel:  channel,
 				Username: username,
-				Text:     message.Text,
+				Text:     txt + message.Text,
 			}
 
 			res, code, err := poster.PostJSON(ur, time.Second*5, body, 3)