diff --git a/modules/hero/api_buy.go b/modules/hero/api_buy.go
index df951e7cc..dcd6e13e4 100644
--- a/modules/hero/api_buy.go
+++ b/modules/hero/api_buy.go
@@ -29,7 +29,7 @@ func (this *apiComp) Buy(session comm.IUserSession, req *pb.HeroBuyReq) (code pb
 		totalCount int32 // 当前购买的总次数
 		update     map[string]interface{}
 		price      []int32 // 购买所需的价钱
-		totalCost  float32 // 购买打折系数
+		totalCost  float64 // 购买打折系数
 		udata      *pb.DBUser
 	)
 	update = make(map[string]interface{})
@@ -75,16 +75,17 @@ func (this *apiComp) Buy(session comm.IUserSession, req *pb.HeroBuyReq) (code pb
 	for i := record.Onebuy; i < req.BuyCount; i++ {
 
 		if i >= int32(len(price)) {
-			totalCost += float32(price[len(price)-1]) / 1000
+			totalCost += float64(price[len(price)-1]) / 1000
+			continue
 		}
-		totalCost += float32(price[i]) / 1000
+		totalCost += float64(price[i]) / 1000
 	}
 	need = make([]*cfg.Gameatn, len(conf.Need))
 	for i, v := range conf.Need {
 		need[i] = &cfg.Gameatn{
 			A: v.A,
 			T: v.T,
-			N: int32(math.Ceil(float64(v.N) * float64(totalCost))),
+			N: int32(math.Ceil(float64(v.N) * totalCost)),
 		}
 	}
 	// 消耗
diff --git a/modules/mail/api_delallmail.go b/modules/mail/api_delallmail.go
new file mode 100644
index 000000000..4eb713cc1
--- /dev/null
+++ b/modules/mail/api_delallmail.go
@@ -0,0 +1,53 @@
+package mail
+
+import (
+	"go_dreamfactory/comm"
+	"go_dreamfactory/pb"
+
+	"google.golang.org/protobuf/proto"
+)
+
+//参数校验
+func (this *apiComp) DelAllMailCheck(session comm.IUserSession, req *pb.MailDelAllMailReq) (code pb.ErrorCode) {
+	if session.GetUserId() == "" {
+		code = pb.ErrorCode_ReqParameterError
+		return
+	}
+	return
+}
+
+// 删除邮件
+func (this *apiComp) DelAllMail(session comm.IUserSession, req *pb.MailDelAllMailReq) (code pb.ErrorCode, data proto.Message) {
+	var (
+		mailinfo []*pb.DBMailData
+		err      error
+		mailData []*pb.DBMailData
+	)
+	code = this.DelAllMailCheck(session, req) // check
+	if code != pb.ErrorCode_Success {
+		return
+	}
+	mailinfo, err = this.module.modelMail.MailQueryUserMail(session.GetUserId())
+	if err != nil {
+		this.module.Errorf("Mail_GetList_Resp err:%v", err)
+		code = pb.ErrorCode_CacheReadError
+		return
+	}
+
+	for _, v := range mailinfo {
+		if v.Check == false || (v.Reward && len(v.Items) > 0) {
+			bRet := this.module.modelMail.MailDelUserMail(v.ObjId)
+			if !bRet {
+				code = pb.ErrorCode_MailErr // 邮件不存在
+				return
+			}
+			continue
+		}
+		mailData = append(mailData, v)
+	}
+
+	session.SendMsg(string(this.module.GetType()), "delallmail", &pb.MailDelAllMailResp{
+		Mails: mailData,
+	})
+	return
+}
diff --git a/modules/user/api_login.go b/modules/user/api_login.go
index 027017ade..38083e3b6 100644
--- a/modules/user/api_login.go
+++ b/modules/user/api_login.go
@@ -26,8 +26,9 @@ func (this *apiComp) Login(session comm.IUserSession, req *pb.UserLoginReq) (cod
 		return
 	}
 	var (
-		err  error
-		user *pb.DBUser
+		err           error
+		user          *pb.DBUser
+		lastLoginTime int64
 	)
 
 	rsp := &pb.UserLoginResp{}
@@ -102,7 +103,7 @@ func (this *apiComp) Login(session comm.IUserSession, req *pb.UserLoginReq) (cod
 
 	//不是新账号
 	if !isNewUser {
-		lastLoginTime := user.Logintime
+		lastLoginTime = user.Logintime
 		user.Logintime = configure.Now().Unix()
 		user.Lastloginip = session.GetIP()
 		user.Offlinetime = 0
@@ -150,18 +151,19 @@ func (this *apiComp) Login(session comm.IUserSession, req *pb.UserLoginReq) (cod
 	// 检查特权 并发送每日邮件
 	this.module.ModulePrivilege.QueryPrivilege(session)
 	//推送登录公告
-	this.chat.SendSysChatToUser(session, comm.ChatSystem2, 0, 0)
-	mail := &pb.DBMailData{
-		ObjId:      primitive.NewObjectID().Hex(),
-		Uid:        user.Uid,
-		Title:      "system mail",
-		Contex:     "Congratulations on getting a login exclusive gift pack",
-		CreateTime: uint64(configure.Now().Unix()),
-		DueTime:    uint64(configure.Now().Unix()) + 30*24*3600, // 30天需要走配置文件
-		Check:      false,
-		Reward:     false,
+	if this.module.modelUser.isLoginFirst(lastLoginTime) {
+		this.chat.SendSysChatToUser(session, comm.ChatSystem2, 0, 0)
+		mail := &pb.DBMailData{
+			ObjId:      primitive.NewObjectID().Hex(),
+			Uid:        user.Uid,
+			Title:      "system mail",
+			Contex:     "Congratulations on getting a login exclusive gift pack",
+			CreateTime: uint64(configure.Now().Unix()),
+			DueTime:    uint64(configure.Now().Unix()) + 30*24*3600, // 30天需要走配置文件
+			Check:      false,
+			Reward:     false,
+		}
+		this.mail.CreateNewMail(session, mail)
 	}
-	this.mail.CreateNewMail(session, mail)
-
 	return
 }
diff --git a/pb/mail_msg.pb.go b/pb/mail_msg.pb.go
index 5e70f3daf..714a2f2ac 100644
--- a/pb/mail_msg.pb.go
+++ b/pb/mail_msg.pb.go
@@ -533,6 +533,91 @@ func (x *MailGetAllMailAttachmentResp) GetIds() []string {
 	return nil
 }
 
+type MailDelAllMailReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *MailDelAllMailReq) Reset() {
+	*x = MailDelAllMailReq{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_mail_mail_msg_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MailDelAllMailReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MailDelAllMailReq) ProtoMessage() {}
+
+func (x *MailDelAllMailReq) ProtoReflect() protoreflect.Message {
+	mi := &file_mail_mail_msg_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use MailDelAllMailReq.ProtoReflect.Descriptor instead.
+func (*MailDelAllMailReq) Descriptor() ([]byte, []int) {
+	return file_mail_mail_msg_proto_rawDescGZIP(), []int{11}
+}
+
+type MailDelAllMailResp struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Mails []*DBMailData `protobuf:"bytes,1,rep,name=Mails,proto3" json:"Mails"`
+}
+
+func (x *MailDelAllMailResp) Reset() {
+	*x = MailDelAllMailResp{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_mail_mail_msg_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MailDelAllMailResp) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MailDelAllMailResp) ProtoMessage() {}
+
+func (x *MailDelAllMailResp) ProtoReflect() protoreflect.Message {
+	mi := &file_mail_mail_msg_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use MailDelAllMailResp.ProtoReflect.Descriptor instead.
+func (*MailDelAllMailResp) Descriptor() ([]byte, []int) {
+	return file_mail_mail_msg_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *MailDelAllMailResp) GetMails() []*DBMailData {
+	if x != nil {
+		return x.Mails
+	}
+	return nil
+}
+
 var File_mail_mail_msg_proto protoreflect.FileDescriptor
 
 var file_mail_mail_msg_proto_rawDesc = []byte{
@@ -572,8 +657,13 @@ var file_mail_mail_msg_proto_rawDesc = []byte{
 	0x63, 0x68, 0x6d, 0x65, 0x6e, 0x74, 0x52, 0x65, 0x73, 0x70, 0x12, 0x1d, 0x0a, 0x03, 0x72, 0x65,
 	0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x0b, 0x2e, 0x55, 0x73, 0x65, 0x72, 0x41, 0x73,
 	0x73, 0x65, 0x74, 0x73, 0x52, 0x03, 0x72, 0x65, 0x73, 0x12, 0x10, 0x0a, 0x03, 0x69, 0x64, 0x73,
-	0x18, 0x02, 0x20, 0x03, 0x28, 0x09, 0x52, 0x03, 0x69, 0x64, 0x73, 0x42, 0x06, 0x5a, 0x04, 0x2e,
-	0x3b, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x18, 0x02, 0x20, 0x03, 0x28, 0x09, 0x52, 0x03, 0x69, 0x64, 0x73, 0x22, 0x13, 0x0a, 0x11, 0x4d,
+	0x61, 0x69, 0x6c, 0x44, 0x65, 0x6c, 0x41, 0x6c, 0x6c, 0x4d, 0x61, 0x69, 0x6c, 0x52, 0x65, 0x71,
+	0x22, 0x37, 0x0a, 0x12, 0x4d, 0x61, 0x69, 0x6c, 0x44, 0x65, 0x6c, 0x41, 0x6c, 0x6c, 0x4d, 0x61,
+	0x69, 0x6c, 0x52, 0x65, 0x73, 0x70, 0x12, 0x21, 0x0a, 0x05, 0x4d, 0x61, 0x69, 0x6c, 0x73, 0x18,
+	0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x0b, 0x2e, 0x44, 0x42, 0x4d, 0x61, 0x69, 0x6c, 0x44, 0x61,
+	0x74, 0x61, 0x52, 0x05, 0x4d, 0x61, 0x69, 0x6c, 0x73, 0x42, 0x06, 0x5a, 0x04, 0x2e, 0x3b, 0x70,
+	0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -588,7 +678,7 @@ func file_mail_mail_msg_proto_rawDescGZIP() []byte {
 	return file_mail_mail_msg_proto_rawDescData
 }
 
-var file_mail_mail_msg_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
+var file_mail_mail_msg_proto_msgTypes = make([]protoimpl.MessageInfo, 13)
 var file_mail_mail_msg_proto_goTypes = []interface{}{
 	(*MailGetListReq)(nil),                // 0: MailGetListReq
 	(*MailGetListResp)(nil),               // 1: MailGetListResp
@@ -601,20 +691,23 @@ var file_mail_mail_msg_proto_goTypes = []interface{}{
 	(*MailGetNewMailPush)(nil),            // 8: MailGetNewMailPush
 	(*MailGetAllMailAttachmentReq)(nil),   // 9: MailGetAllMailAttachmentReq
 	(*MailGetAllMailAttachmentResp)(nil),  // 10: MailGetAllMailAttachmentResp
-	(*DBMailData)(nil),                    // 11: DBMailData
-	(*UserAssets)(nil),                    // 12: UserAssets
+	(*MailDelAllMailReq)(nil),             // 11: MailDelAllMailReq
+	(*MailDelAllMailResp)(nil),            // 12: MailDelAllMailResp
+	(*DBMailData)(nil),                    // 13: DBMailData
+	(*UserAssets)(nil),                    // 14: UserAssets
 }
 var file_mail_mail_msg_proto_depIdxs = []int32{
-	11, // 0: MailGetListResp.Mails:type_name -> DBMailData
-	11, // 1: MailReadMailResp.Mail:type_name -> DBMailData
-	11, // 2: MailGetUserMailAttachmentResp.Mail:type_name -> DBMailData
-	11, // 3: MailGetNewMailPush.Mail:type_name -> DBMailData
-	12, // 4: MailGetAllMailAttachmentResp.res:type_name -> UserAssets
-	5,  // [5:5] is the sub-list for method output_type
-	5,  // [5:5] is the sub-list for method input_type
-	5,  // [5:5] is the sub-list for extension type_name
-	5,  // [5:5] is the sub-list for extension extendee
-	0,  // [0:5] is the sub-list for field type_name
+	13, // 0: MailGetListResp.Mails:type_name -> DBMailData
+	13, // 1: MailReadMailResp.Mail:type_name -> DBMailData
+	13, // 2: MailGetUserMailAttachmentResp.Mail:type_name -> DBMailData
+	13, // 3: MailGetNewMailPush.Mail:type_name -> DBMailData
+	14, // 4: MailGetAllMailAttachmentResp.res:type_name -> UserAssets
+	13, // 5: MailDelAllMailResp.Mails:type_name -> DBMailData
+	6,  // [6:6] is the sub-list for method output_type
+	6,  // [6:6] is the sub-list for method input_type
+	6,  // [6:6] is the sub-list for extension type_name
+	6,  // [6:6] is the sub-list for extension extendee
+	0,  // [0:6] is the sub-list for field type_name
 }
 
 func init() { file_mail_mail_msg_proto_init() }
@@ -757,6 +850,30 @@ func file_mail_mail_msg_proto_init() {
 				return nil
 			}
 		}
+		file_mail_mail_msg_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MailDelAllMailReq); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_mail_mail_msg_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MailDelAllMailResp); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -764,7 +881,7 @@ func file_mail_mail_msg_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_mail_mail_msg_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   11,
+			NumMessages:   13,
 			NumExtensions: 0,
 			NumServices:   0,
 		},