diff --git a/server/backtask/mt/MailDb.go b/server/backtask/mt/MailDb.go
new file mode 100644
index 00000000..d6015824
--- /dev/null
+++ b/server/backtask/mt/MailDb.go
@@ -0,0 +1,14 @@
+package mt
+
+import (
+	"f5"
+	"mtb"
+)
+
+type MailDb struct {
+	mtb.MailDb
+}
+
+type MailDbTable struct {
+	f5.IdMetaTable[MailDb]
+}
diff --git a/server/backtask/mt/export.go b/server/backtask/mt/export.go
index be6ee310..ee0fbf3a 100644
--- a/server/backtask/mt/export.go
+++ b/server/backtask/mt/export.go
@@ -7,6 +7,7 @@ import (
 type table struct {
 	BackTaskCluster   *BackTaskClusterTable
 	GameDb         *GameDbTable
+	MailDb         *MailDbTable
 	BcEventDb       *BcEventDbTable
 	BcNftDb       *BcNftDbTable
 	Config         *ConfigTable
@@ -29,6 +30,11 @@ var Table = f5.New(func(this *table) {
 		this.PrimKey = ""
 	})
 
+	this.MailDb = f5.New(func(this *MailDbTable) {
+		this.FileName = "../config/maildb.mysql.json"
+		this.PrimKey = ""
+	})
+
 	this.BcEventDb = f5.New(func(this *BcEventDbTable) {
 		this.FileName = "../config/bceventdb.mysql.json"
 		this.PrimKey = ""
diff --git a/server/backtask/mtb/mtb.auto_gen.go b/server/backtask/mtb/mtb.auto_gen.go
index ca6b187e..e101eb5b 100644
--- a/server/backtask/mtb/mtb.auto_gen.go
+++ b/server/backtask/mtb/mtb.auto_gen.go
@@ -24,6 +24,17 @@ type GameDb struct {
         _flags2_ uint64
 }
 
+type MailDb struct {
+        host string
+        port int32
+        user string
+        passwd string
+        database string
+
+        _flags1_ uint64
+        _flags2_ uint64
+}
+
 type BcNftDb struct {
         host string
         port int32
@@ -158,6 +169,46 @@ func (this *GameDb) HasDatabase() bool {
         return (this._flags1_ & (uint64(1) << 5)) > 0
 }
 
+func (this *MailDb) GetHost() string {
+        return this.host
+}
+
+func (this *MailDb) HasHost() bool {
+        return (this._flags1_ & (uint64(1) << 1)) > 0
+}
+
+func (this *MailDb) GetPort() int32 {
+        return this.port
+}
+
+func (this *MailDb) HasPort() bool {
+        return (this._flags1_ & (uint64(1) << 2)) > 0
+}
+
+func (this *MailDb) GetUser() string {
+        return this.user
+}
+
+func (this *MailDb) HasUser() bool {
+        return (this._flags1_ & (uint64(1) << 3)) > 0
+}
+
+func (this *MailDb) GetPasswd() string {
+        return this.passwd
+}
+
+func (this *MailDb) HasPasswd() bool {
+        return (this._flags1_ & (uint64(1) << 4)) > 0
+}
+
+func (this *MailDb) GetDatabase() string {
+        return this.database
+}
+
+func (this *MailDb) HasDatabase() bool {
+        return (this._flags1_ & (uint64(1) << 5)) > 0
+}
+
 func (this *BcNftDb) GetHost() string {
         return this.host
 }
@@ -397,6 +448,14 @@ func (this *GameDb) LoadFromKv(kv map[string]interface{}) {
         f5.ReadMetaTableField(&this.database, "database", &this._flags1_, 5, kv)
 }
 
+func (this *MailDb) LoadFromKv(kv map[string]interface{}) {
+        f5.ReadMetaTableField(&this.host, "host", &this._flags1_, 1, kv)
+        f5.ReadMetaTableField(&this.port, "port", &this._flags1_, 2, kv)
+        f5.ReadMetaTableField(&this.user, "user", &this._flags1_, 3, kv)
+        f5.ReadMetaTableField(&this.passwd, "passwd", &this._flags1_, 4, kv)
+        f5.ReadMetaTableField(&this.database, "database", &this._flags1_, 5, kv)
+}
+
 func (this *BcNftDb) LoadFromKv(kv map[string]interface{}) {
         f5.ReadMetaTableField(&this.host, "host", &this._flags1_, 1, kv)
         f5.ReadMetaTableField(&this.port, "port", &this._flags1_, 2, kv)
diff --git a/server/backtask/proto/mt.proto b/server/backtask/proto/mt.proto
index a434997b..8b32c21d 100644
--- a/server/backtask/proto/mt.proto
+++ b/server/backtask/proto/mt.proto
@@ -18,6 +18,15 @@ message GameDb
     optional string database = 5;
 }
 
+message MailDb
+{
+    optional string host = 1;
+    optional int32 port = 2;
+    optional string user = 3;
+    optional string passwd = 4;
+    optional string database = 5;
+}
+
 message BcNftDb
 {
     optional string host = 1;