diff --git a/server/mailserver/mail/mailmgr.go b/server/mailserver/mail/mailmgr.go
index b3035c29..22e4dfb5 100644
--- a/server/mailserver/mail/mailmgr.go
+++ b/server/mailserver/mail/mailmgr.go
@@ -115,31 +115,27 @@ func (this *mailMgr) caDeleteMails(hum common.Player, c *gin.Context) {
 }
 
 func (this *mailMgr) traversePlayerMail(hum common.Player, cb func(*mail) bool) {
-	this.wholeMails.Range(
-		func (k, v interface {}) bool {
-			m := v.(*mail)
-			if m.isValid(hum) {
-				cb(m)
+	stop := false
+	traversFunc := func (k, v interface{}) bool {
+		m := v.(*mail)
+		if m.isValid(hum) {
+			if !(cb(m)) {
+				stop = true
+				return false
 			}
-			return true
-		})
-	this.groupMails.Range(
-		func (k, v interface {}) bool {
-			m := v.(*mail)
-			if m.isValid(hum) {
-				cb(m)
-			}
-			return true
-		})
+		}
+		return true
+	}
+	this.wholeMails.Range(traversFunc)
+	if stop {
+		return
+	}
+	this.groupMails.Range(traversFunc)
+	if stop {
+		return
+	}
 	if p, ok := this.personalMails.Load(hum.GetAccountId()); ok {
-		(p.(*sync.Map)).Range(
-			func (k, v interface{}) bool {
-				m := v.(*mail)
-				if m.isValid(hum) {
-					cb(m)
-				}
-				return true
-			})
+		(p.(*sync.Map)).Range(traversFunc)
 	}
 }