diff --git a/server/mailserver/mail/mailmgr.go b/server/mailserver/mail/mailmgr.go
index 3088a01f..c5ce2fdb 100644
--- a/server/mailserver/mail/mailmgr.go
+++ b/server/mailserver/mail/mailmgr.go
@@ -82,6 +82,8 @@ func (mm *MailMgr) LoadFromDB() {
 					attachmentsStr := q5.ToString(*rows.GetByName("attachments"))
 					if len(attachmentsStr) > 0 {
 						m.ParseAttachments(attachmentsStr)
+					} else {
+						m.ATT = make([]*Attachment, 0)
 					}
 
 					mm.AddMail(m)
diff --git a/server/mailserver/mail/mailstore.go b/server/mailserver/mail/mailstore.go
index 55e3da74..5193af92 100644
--- a/server/mailserver/mail/mailstore.go
+++ b/server/mailserver/mail/mailstore.go
@@ -35,20 +35,18 @@ func (mm *MailMgr) AddMail(m *Mail) {
 }
 
 func (mm *MailMgr) GetMails(player common.Player) []*Mail {
-	gameMails := mm.gameMailHash[constant.GAMEID]
-	playerMails := mm.playerMailHash[player.GetAccountId()]
-	playerMailSize := len(playerMails)
-	if len(gameMails)+playerMailSize == 0 {
-		return nil
-	}
+	gameMailList := mm.gameMailHash[constant.GAMEID]
+	playerMailList := mm.playerMailHash[player.GetAccountId()]
 
-	resMailsSize := len(gameMails)
-	if playerMailSize > 0 {
-		resMailsSize += playerMailSize
-	}
+	gameMailSize := len(gameMailList)
+	playerMailSize := len(playerMailList)
+	totalSize := gameMailSize + playerMailSize
+	resMailList := make([]*Mail, 0, totalSize)
 
-	resMailList := make([]*Mail, 0, resMailsSize)
-	for _, gMail := range gameMails {
+	if totalSize == 0 {
+		return resMailList
+	}
+	for _, gMail := range gameMailList {
 		newMail := &Mail{
 			GameId:      gMail.GameId,
 			MailId:      gMail.MailId,
@@ -74,7 +72,7 @@ func (mm *MailMgr) GetMails(player common.Player) []*Mail {
 	}
 
 	if playerMailSize > 0 {
-		for _, pMail := range playerMails {
+		for _, pMail := range playerMailList {
 			if player.IsUnreadMail(pMail.MailId) {
 				pMail.Flag = 0
 			} else {
diff --git a/server/mailserver/middleware/auth.go b/server/mailserver/middleware/auth.go
index a295b60d..42547f24 100644
--- a/server/mailserver/middleware/auth.go
+++ b/server/mailserver/middleware/auth.go
@@ -11,21 +11,19 @@ func Auth() gin.HandlerFunc {
 		accountID := c.Query("account_id")
 		sessionID := c.Query("session_id")
 		if accountID == "" || sessionID == "" {
-			c.JSON(http.StatusBadRequest, gin.H{
-				"errcode": http.StatusBadRequest,
-				"errmsg":  "Bad Request: Missing account_id or session_id",
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
+				"errcode": http.StatusUnauthorized,
+				"errmsg":  "Bad Request: authorization account_id or session_id is not provided",
 			})
-			f5.GetSysLog().Info("logUnauthorizedAccess, clientIP:%s, requestURL:%s", c.ClientIP(), c.Request.URL.String())
-			c.Abort()
 			return
 		}
 
 		if !isValidSession(accountID, sessionID) {
-			c.JSON(http.StatusUnauthorized, gin.H{
+			f5.GetSysLog().Info("logUnauthorizedAccess, clientIP:%s, requestURL:%s", c.ClientIP(), c.Request.URL.String())
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
 				"errcode": http.StatusUnauthorized,
-				"errmsg":  "Unauthorized",
+				"errmsg":  "Bad Request: token is invalid",
 			})
-			c.Abort()
 			return
 		}
 
diff --git a/server/mailserver/player/playermgr.go b/server/mailserver/player/playermgr.go
index 9d9d133a..5627e7e9 100644
--- a/server/mailserver/player/playermgr.go
+++ b/server/mailserver/player/playermgr.go
@@ -1,7 +1,6 @@
 package player
 
 import (
-	"f5"
 	"sync"
 )
 
@@ -30,7 +29,7 @@ func (pm *PlayerMgr) GetPlayer(accountId string) *Player {
 func (pm *PlayerMgr) AsyncGetPlayer(accountId string) *Player {
 	p := pm.GetPlayer(accountId)
 	if p != nil && !p.IsCacheExpired() {
-		f5.GetSysLog().Info("GetPlayer(%s) from cache", accountId)
+		// f5.GetSysLog().Info("GetPlayer(%s) from cache", accountId)
 		return p
 	}