diff --git a/comm/const.go b/comm/const.go
index bc24d46b0..9488ad007 100644
--- a/comm/const.go
+++ b/comm/const.go
@@ -590,7 +590,8 @@ const (
 )
 
 const (
-	MaxRankList = 50 // 赛季塔 排行榜人数
+	MaxRankList  = 50 // 赛季塔 排行榜人数
+	MaxMailCount = 50 // 当前邮件最大数量
 )
 
 const (
diff --git a/modules/mail/model_mail.go b/modules/mail/model_mail.go
index 6a057f216..5a655e2f4 100644
--- a/modules/mail/model_mail.go
+++ b/modules/mail/model_mail.go
@@ -31,11 +31,16 @@ func (this *modelMail) Init(service core.IService, module core.IModule, comp cor
 }
 
 func (this *modelMail) MailQueryUserMail(uId string) (mail []*pb.DBMailData, err error) {
-
-	if _data, err := this.DB.Find(comm.TableMail, bson.M{"uid": uId}, options.Find().SetSort(bson.M{"createtime": -1})); err == nil {
+	var index int32
+	if _data, err := this.DB.Find(comm.TableMail, bson.M{"uid": uId}); err == nil {
 		for _data.Next(context.TODO()) {
+			index++
 			temp := &pb.DBMailData{}
 			if err = _data.Decode(temp); err == nil {
+				if index > comm.MaxMailCount { // 删除超标的邮件
+					this.DB.DeleteOne(comm.TableMail, bson.M{"_id": temp.ObjId}, options.Delete())
+					continue
+				}
 				mail = append(mail, temp)
 			}
 		}
@@ -90,6 +95,29 @@ func (this *modelMail) MailGetMailAttachmentState(objId string) (*pb.DBMailData,
 
 	return nd, err
 }
+func (this *modelMail) GetMailCountByUid(uid string) (int32, error) {
+	var count int64
+	count, err := this.DB.CountDocuments(comm.TableMail, bson.M{"uid": uid})
+
+	return int32(count), err
+}
+
+// 删除超过最大邮件数量的邮件
+func (this *modelMail) DelOtherMail(uid string) {
+	if _data, err := this.DB.Find(comm.TableMail, bson.M{"uid": uid}); err == nil {
+		var index int32
+		for _data.Next(context.TODO()) {
+			index++
+			temp := &pb.DBMailData{}
+			if err = _data.Decode(temp); err == nil {
+				if index >= comm.MaxMailCount { // 删除超标的邮件
+					this.DB.DeleteOne(comm.TableMail, bson.M{"_id": temp.ObjId}, options.Delete())
+					continue
+				}
+			}
+		}
+	}
+}
 
 // 更新领取附件状态
 func (this *modelMail) MailUpdateMailAttachmentState(objId string) bool {
diff --git a/modules/mail/module.go b/modules/mail/module.go
index 341e59978..dd8d8a9d0 100644
--- a/modules/mail/module.go
+++ b/modules/mail/module.go
@@ -187,3 +187,12 @@ func (this *Mail) SendMailByCid(session comm.IUserSession, cid string, res []*pb
 
 	return true
 }
+
+// 创建邮件之前检测邮件是否达到上限
+func (this *Mail) CheckMaxMail(session comm.IUserSession) bool {
+	count, err := this.modelMail.GetMailCountByUid(session.GetUserId())
+	if err == nil && count >= comm.MaxMailCount {
+		this.modelMail.DelOtherMail(session.GetUserId())
+	}
+	return true
+}
diff --git a/modules/sociaty/api_cross_recommend.go b/modules/sociaty/api_cross_recommend.go
index 2dc382594..92b5785ed 100644
--- a/modules/sociaty/api_cross_recommend.go
+++ b/modules/sociaty/api_cross_recommend.go
@@ -9,7 +9,7 @@ import (
 
 // 公会BOSS 推荐
 func (this *apiComp) RecommendCheck(session comm.IUserSession, req *pb.SociatyRecommendReq) (code pb.ErrorCode) {
-	if req.Cate != 1 || req.Cate != 2 {
+	if req.Cate != 1 && req.Cate != 2 {
 		code = pb.ErrorCode_ReqParameterError
 	}
 	return