diff --git a/bin/adminserver/config/accountdb.mysql.json b/bin/adminserver/config/accountdb.mysql.json
index 4e3d76e5..157b6bd6 100644
--- a/bin/adminserver/config/accountdb.mysql.json
+++ b/bin/adminserver/config/accountdb.mysql.json
@@ -3,5 +3,7 @@
   "port": 3306,
   "user": "root",
   "passwd": "keji178",
-  "database": "accountdb1"
+  "database": "accountdb1",
+  "max_open_conns": 1,
+  "max_idle_conns": 1
 }
diff --git a/bin/adminserver/config/admindb.mysql.json b/bin/adminserver/config/admindb.mysql.json
index 211ef333..5e1e4a19 100644
--- a/bin/adminserver/config/admindb.mysql.json
+++ b/bin/adminserver/config/admindb.mysql.json
@@ -3,5 +3,7 @@
   "port": 3306,
   "user": "root",
   "passwd": "keji178",
-  "database": "admindb_dev"
+  "database": "admindb_dev",
+  "max_open_conns": 1,
+  "max_idle_conns": 1
 }
diff --git a/bin/adminserver/config/frienddb.mysql.json b/bin/adminserver/config/frienddb.mysql.json
index bdec03b9..2f90713f 100644
--- a/bin/adminserver/config/frienddb.mysql.json
+++ b/bin/adminserver/config/frienddb.mysql.json
@@ -3,5 +3,7 @@
   "port": 3306,
   "user": "root",
   "passwd": "keji178",
-  "database": "frienddb_dev_1"
+  "database": "frienddb_dev_1",
+  "max_open_conns": 1,
+  "max_idle_conns": 1
 }
diff --git a/bin/adminserver/config/gamedb.mysql.json b/bin/adminserver/config/gamedb.mysql.json
index ea44e714..6501cd6d 100644
--- a/bin/adminserver/config/gamedb.mysql.json
+++ b/bin/adminserver/config/gamedb.mysql.json
@@ -3,5 +3,7 @@
   "port": 3306,
   "user": "root",
   "passwd": "keji178",
-  "database": "gamedb2006_dev_1"
+  "database": "gamedb2006_dev_1",
+  "max_open_conns": 1,
+  "max_idle_conns": 1
 }
diff --git a/bin/adminserver/config/maildb.mysql.json b/bin/adminserver/config/maildb.mysql.json
index a1dbe046..de60077e 100644
--- a/bin/adminserver/config/maildb.mysql.json
+++ b/bin/adminserver/config/maildb.mysql.json
@@ -3,5 +3,7 @@
   "port": 3306,
   "user": "root",
   "passwd": "keji178",
-  "database": "maildb_dev_1"
+  "database": "maildb_dev_1",
+  "max_open_conns": 1,
+  "max_idle_conns": 1
 }
diff --git a/server/adminserver/app/app.go b/server/adminserver/app/app.go
index 1c1fe310..817bd056 100644
--- a/server/adminserver/app/app.go
+++ b/server/adminserver/app/app.go
@@ -60,7 +60,9 @@ func (this *app) registerDataSources() {
 		mt.Table.GameDb.GetById(0).GetUser(),
 		mt.Table.GameDb.GetById(0).GetPasswd(),
 		mt.Table.GameDb.GetById(0).GetDatabase(),
-		1)
+		1,
+		mt.Table.GameDb.GetById(0).GetMaxOpenConns(),
+		mt.Table.GameDb.GetById(0).GetMaxIdleConns())
 	f5.GetJsStyleDb().RegisterDataSource(
 		constant.FRIEND_DB,
 		mt.Table.FriendDb.GetById(0).GetHost(),
@@ -68,7 +70,9 @@ func (this *app) registerDataSources() {
 		mt.Table.FriendDb.GetById(0).GetUser(),
 		mt.Table.FriendDb.GetById(0).GetPasswd(),
 		mt.Table.FriendDb.GetById(0).GetDatabase(),
-		1)
+		1,
+		mt.Table.FriendDb.GetById(0).GetMaxOpenConns(),
+		mt.Table.FriendDb.GetById(0).GetMaxIdleConns(),)
 	f5.GetApp().RegisterOrmDb(
 		constant.ADMIN_DB,
 		mt.Table.AdminDb.GetById(0).GetHost(),
@@ -101,7 +105,8 @@ func (this *app) registerDataSources() {
 		mt.Table.MailDb.GetById(0).GetPasswd(),
 		mt.Table.MailDb.GetById(0).GetDatabase(),
 		1,
-	)
+		mt.Table.MailDb.GetById(0).GetMaxOpenConns(),
+		mt.Table.MailDb.GetById(0).GetMaxIdleConns())
 	f5.GetGoStyleDb().RegisterDataSource(
 		constant.GAME_DB,
 		mt.Table.GameDb.GetById(0).GetHost(),
@@ -110,7 +115,8 @@ func (this *app) registerDataSources() {
 		mt.Table.GameDb.GetById(0).GetPasswd(),
 		mt.Table.GameDb.GetById(0).GetDatabase(),
 		1,
-	)
+		mt.Table.GameDb.GetById(0).GetMaxOpenConns(),
+		mt.Table.GameDb.GetById(0).GetMaxIdleConns())
 }
 
 func (this *app) AddSession(accountId string) string {
diff --git a/server/adminserver/mtb/mtb.auto_gen.go b/server/adminserver/mtb/mtb.auto_gen.go
index 1c01a315..ca49b198 100644
--- a/server/adminserver/mtb/mtb.auto_gen.go
+++ b/server/adminserver/mtb/mtb.auto_gen.go
@@ -19,6 +19,8 @@ type GameDb struct {
         user string
         passwd string
         database string
+        max_open_conns int32
+        max_idle_conns int32
 
         _flags1_ uint64
         _flags2_ uint64
@@ -30,6 +32,8 @@ type FriendDb struct {
         user string
         passwd string
         database string
+        max_open_conns int32
+        max_idle_conns int32
 
         _flags1_ uint64
         _flags2_ uint64
@@ -41,6 +45,8 @@ type AdminDb struct {
         user string
         passwd string
         database string
+        max_open_conns int32
+        max_idle_conns int32
 
         _flags1_ uint64
         _flags2_ uint64
@@ -52,6 +58,8 @@ type AccountDb struct {
         user string
         passwd string
         database string
+        max_open_conns int32
+        max_idle_conns int32
 
         _flags1_ uint64
         _flags2_ uint64
@@ -63,6 +71,8 @@ type MailDb struct {
         user string
         passwd string
         database string
+        max_open_conns int32
+        max_idle_conns int32
 
         _flags1_ uint64
         _flags2_ uint64
@@ -139,6 +149,22 @@ func (this *GameDb) HasDatabase() bool {
         return (this._flags1_ & (uint64(1) << 5)) > 0
 }
 
+func (this *GameDb) GetMaxOpenConns() int32 {
+        return this.max_open_conns
+}
+
+func (this *GameDb) HasMaxOpenConns() bool {
+        return (this._flags1_ & (uint64(1) << 6)) > 0
+}
+
+func (this *GameDb) GetMaxIdleConns() int32 {
+        return this.max_idle_conns
+}
+
+func (this *GameDb) HasMaxIdleConns() bool {
+        return (this._flags1_ & (uint64(1) << 7)) > 0
+}
+
 func (this *FriendDb) GetHost() string {
         return this.host
 }
@@ -179,6 +205,22 @@ func (this *FriendDb) HasDatabase() bool {
         return (this._flags1_ & (uint64(1) << 5)) > 0
 }
 
+func (this *FriendDb) GetMaxOpenConns() int32 {
+        return this.max_open_conns
+}
+
+func (this *FriendDb) HasMaxOpenConns() bool {
+        return (this._flags1_ & (uint64(1) << 6)) > 0
+}
+
+func (this *FriendDb) GetMaxIdleConns() int32 {
+        return this.max_idle_conns
+}
+
+func (this *FriendDb) HasMaxIdleConns() bool {
+        return (this._flags1_ & (uint64(1) << 7)) > 0
+}
+
 func (this *AdminDb) GetHost() string {
         return this.host
 }
@@ -219,6 +261,22 @@ func (this *AdminDb) HasDatabase() bool {
         return (this._flags1_ & (uint64(1) << 5)) > 0
 }
 
+func (this *AdminDb) GetMaxOpenConns() int32 {
+        return this.max_open_conns
+}
+
+func (this *AdminDb) HasMaxOpenConns() bool {
+        return (this._flags1_ & (uint64(1) << 6)) > 0
+}
+
+func (this *AdminDb) GetMaxIdleConns() int32 {
+        return this.max_idle_conns
+}
+
+func (this *AdminDb) HasMaxIdleConns() bool {
+        return (this._flags1_ & (uint64(1) << 7)) > 0
+}
+
 func (this *AccountDb) GetHost() string {
         return this.host
 }
@@ -259,6 +317,22 @@ func (this *AccountDb) HasDatabase() bool {
         return (this._flags1_ & (uint64(1) << 5)) > 0
 }
 
+func (this *AccountDb) GetMaxOpenConns() int32 {
+        return this.max_open_conns
+}
+
+func (this *AccountDb) HasMaxOpenConns() bool {
+        return (this._flags1_ & (uint64(1) << 6)) > 0
+}
+
+func (this *AccountDb) GetMaxIdleConns() int32 {
+        return this.max_idle_conns
+}
+
+func (this *AccountDb) HasMaxIdleConns() bool {
+        return (this._flags1_ & (uint64(1) << 7)) > 0
+}
+
 func (this *MailDb) GetHost() string {
         return this.host
 }
@@ -299,6 +373,22 @@ func (this *MailDb) HasDatabase() bool {
         return (this._flags1_ & (uint64(1) << 5)) > 0
 }
 
+func (this *MailDb) GetMaxOpenConns() int32 {
+        return this.max_open_conns
+}
+
+func (this *MailDb) HasMaxOpenConns() bool {
+        return (this._flags1_ & (uint64(1) << 6)) > 0
+}
+
+func (this *MailDb) GetMaxIdleConns() int32 {
+        return this.max_idle_conns
+}
+
+func (this *MailDb) HasMaxIdleConns() bool {
+        return (this._flags1_ & (uint64(1) << 7)) > 0
+}
+
 func (this *Config) GetGameapiUrl() string {
         return this.gameapi_url
 }
@@ -320,6 +410,8 @@ func (this *GameDb) LoadFromKv(kv map[string]interface{}) {
         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)
+        f5.ReadMetaTableField(&this.max_open_conns, "max_open_conns", &this._flags1_, 6, kv)
+        f5.ReadMetaTableField(&this.max_idle_conns, "max_idle_conns", &this._flags1_, 7, kv)
 }
 
 func (this *FriendDb) LoadFromKv(kv map[string]interface{}) {
@@ -328,6 +420,8 @@ func (this *FriendDb) LoadFromKv(kv map[string]interface{}) {
         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)
+        f5.ReadMetaTableField(&this.max_open_conns, "max_open_conns", &this._flags1_, 6, kv)
+        f5.ReadMetaTableField(&this.max_idle_conns, "max_idle_conns", &this._flags1_, 7, kv)
 }
 
 func (this *AdminDb) LoadFromKv(kv map[string]interface{}) {
@@ -336,6 +430,8 @@ func (this *AdminDb) LoadFromKv(kv map[string]interface{}) {
         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)
+        f5.ReadMetaTableField(&this.max_open_conns, "max_open_conns", &this._flags1_, 6, kv)
+        f5.ReadMetaTableField(&this.max_idle_conns, "max_idle_conns", &this._flags1_, 7, kv)
 }
 
 func (this *AccountDb) LoadFromKv(kv map[string]interface{}) {
@@ -344,6 +440,8 @@ func (this *AccountDb) LoadFromKv(kv map[string]interface{}) {
         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)
+        f5.ReadMetaTableField(&this.max_open_conns, "max_open_conns", &this._flags1_, 6, kv)
+        f5.ReadMetaTableField(&this.max_idle_conns, "max_idle_conns", &this._flags1_, 7, kv)
 }
 
 func (this *MailDb) LoadFromKv(kv map[string]interface{}) {
@@ -352,6 +450,8 @@ func (this *MailDb) LoadFromKv(kv map[string]interface{}) {
         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)
+        f5.ReadMetaTableField(&this.max_open_conns, "max_open_conns", &this._flags1_, 6, kv)
+        f5.ReadMetaTableField(&this.max_idle_conns, "max_idle_conns", &this._flags1_, 7, kv)
 }
 
 func (this *Config) LoadFromKv(kv map[string]interface{}) {
diff --git a/server/adminserver/proto/mt.proto b/server/adminserver/proto/mt.proto
index 0497adb6..b975197f 100644
--- a/server/adminserver/proto/mt.proto
+++ b/server/adminserver/proto/mt.proto
@@ -16,6 +16,8 @@ message GameDb
     optional string user = 3;
     optional string passwd = 4;
     optional string database = 5;
+    optional int32 max_open_conns = 6;
+    optional int32 max_idle_conns = 7;
 }
 
 message FriendDb
@@ -25,6 +27,8 @@ message FriendDb
     optional string user = 3;
     optional string passwd = 4;
     optional string database = 5;
+    optional int32 max_open_conns = 6;
+    optional int32 max_idle_conns = 7;
 }
 
 message AdminDb
@@ -34,6 +38,8 @@ message AdminDb
     optional string user = 3;
     optional string passwd = 4;
     optional string database = 5;
+    optional int32 max_open_conns = 6;
+    optional int32 max_idle_conns = 7;
 }
 
 message AccountDb
@@ -43,6 +49,8 @@ message AccountDb
     optional string user = 3;
     optional string passwd = 4;
     optional string database = 5;
+    optional int32 max_open_conns = 6;
+    optional int32 max_idle_conns = 7;
 }
 
 message MailDb
@@ -52,6 +60,8 @@ message MailDb
     optional string user = 3;
     optional string passwd = 4;
     optional string database = 5;
+    optional int32 max_open_conns = 6;
+    optional int32 max_idle_conns = 7;
 }
 
 message Config
diff --git a/server/backtask/app/app.go b/server/backtask/app/app.go
index 18a3ffb2..cb4aaac7 100644
--- a/server/backtask/app/app.go
+++ b/server/backtask/app/app.go
@@ -48,7 +48,7 @@ func (this *app) registerDataSources() {
 		mt.Table.MailDb.GetById(0).GetUser(),
 		mt.Table.MailDb.GetById(0).GetPasswd(),
 		mt.Table.MailDb.GetById(0).GetDatabase(),
-		30)
+		1)
 
 	f5.GetGoStyleDb().RegisterDataSource(
 		constant.GAME_DB,
@@ -57,7 +57,7 @@ func (this *app) registerDataSources() {
 		mt.Table.GameDb.GetById(0).GetUser(),
 		mt.Table.GameDb.GetById(0).GetPasswd(),
 		mt.Table.GameDb.GetById(0).GetDatabase(),
-		30)
+		1)
 
 	f5.GetGoStyleDb().RegisterDataSource(
 		constant.BCNFT_DB,
@@ -66,7 +66,7 @@ func (this *app) registerDataSources() {
 		mt.Table.BcNftDb.GetById(0).GetUser(),
 		mt.Table.BcNftDb.GetById(0).GetPasswd(),
 		mt.Table.BcNftDb.GetById(0).GetDatabase(),
-		30)
+		1)
 
 	f5.GetGoStyleDb().RegisterDataSource(
 		constant.BCEVENT_DB,
@@ -75,7 +75,7 @@ func (this *app) registerDataSources() {
 		mt.Table.BcEventDb.GetById(0).GetUser(),
 		mt.Table.BcEventDb.GetById(0).GetPasswd(),
 		mt.Table.BcEventDb.GetById(0).GetDatabase(),
-		30)
+		1)
 
 }