diff --git a/server/backtask/common/types.go b/server/backtask/common/types.go
index 03728739..5b6dd0d7 100644
--- a/server/backtask/common/types.go
+++ b/server/backtask/common/types.go
@@ -8,3 +8,6 @@ type TaskMgr interface {
 	LockOpenGodBullion()
 	UnLockOpenGodBullion()
 }
+
+type ServiceMgr interface {
+}
diff --git a/server/backtask/constant/constant.go b/server/backtask/constant/constant.go
index 2c362188..675fc9f7 100644
--- a/server/backtask/constant/constant.go
+++ b/server/backtask/constant/constant.go
@@ -14,6 +14,7 @@ const (
 const (
 	APP_MODULE_IDX = iota
 	TASK_MGR_MODULE_IDX
+	SERVICE_MGR_MODULE_IDX
 	MAX_MODULE_IDX
 )
 
diff --git a/server/backtask/global/global.go b/server/backtask/global/global.go
index 4b56157f..535e7416 100644
--- a/server/backtask/global/global.go
+++ b/server/backtask/global/global.go
@@ -10,10 +10,12 @@ import (
 var modules [constant.MAX_MODULE_IDX]q5.Module
 var initOrders = []int32{
 	constant.TASK_MGR_MODULE_IDX,
+	constant.SERVICE_MGR_MODULE_IDX,
 }
 
 var app common.App
 var taskMgr common.TaskMgr
+var serviceMgr common.ServiceMgr
 
 func GetApp() common.App {
 	return app
@@ -34,6 +36,10 @@ func RegModule(idx int32, m q5.Module) {
 		{
 			taskMgr = m.(common.TaskMgr)
 		}
+	case constant.SERVICE_MGR_MODULE_IDX:
+		{
+			serviceMgr = m.(common.ServiceMgr)
+		}
 	default:
 		{
 			panic("unknow module")
diff --git a/server/backtask/service/export.go b/server/backtask/service/export.go
index de6030a5..b3538978 100644
--- a/server/backtask/service/export.go
+++ b/server/backtask/service/export.go
@@ -1,7 +1,13 @@
 package service
 
+import (
+	"main/constant"
+	"main/global"
+)
+
 var BcCurrency = new(bcCurrency)
+var _serviceMgr = new(serviceMgr)
 
 func init() {
-	BcCurrency.init()
+	global.RegModule(constant.SERVICE_MGR_MODULE_IDX, _serviceMgr)
 }
diff --git a/server/backtask/service/servicemgr.go b/server/backtask/service/servicemgr.go
new file mode 100644
index 00000000..b3af2920
--- /dev/null
+++ b/server/backtask/service/servicemgr.go
@@ -0,0 +1,11 @@
+package service
+
+type serviceMgr struct {
+}
+
+func (this *serviceMgr) Init() {
+	BcCurrency.init()
+}
+
+func (this *serviceMgr) UnInit() {
+}
diff --git a/server/backtask/task/repair_order.go b/server/backtask/task/repair_order.go
index 1d311d19..94a48d61 100644
--- a/server/backtask/task/repair_order.go
+++ b/server/backtask/task/repair_order.go
@@ -68,7 +68,7 @@ func (this* repairOrder) repairPrice(ds *f5.DataSet) bool {
 		srcPriceItemType = p.Data.Buy[0].ItemType
 	}
 	srcPriceExchangeRate, price := service.BcCurrency.ExchangeUSD(
-		srcPriceAmount, srcPriceContractAddress, srcPriceItemType)
+		srcPriceAmount, srcPriceItemType, srcPriceContractAddress)
 	updateFields := [][]string{
 		{"src_price_amount", srcPriceAmount},
 		{"src_price_contract_address", srcPriceContractAddress},
diff --git a/server/backtask/task/webhook.go b/server/backtask/task/webhook.go
index 46bd1f06..5e7a0e8f 100644
--- a/server/backtask/task/webhook.go
+++ b/server/backtask/task/webhook.go
@@ -140,7 +140,7 @@ func (this* webHook) orderUpdatedCb(ds *f5.DataSet) bool {
 	srcPriceContractAddress := p.Data.Buy[0].ContractAddress
 	srcPriceItemType := p.Data.Buy[0].ItemType
 	srcPriceExchangeRate, price := service.BcCurrency.ExchangeUSD(
-		srcPriceAmount, srcPriceContractAddress, srcPriceItemType)
+		srcPriceAmount, srcPriceItemType, srcPriceContractAddress)
 	commonFields := [][]string{
 		{"order_id", p.Data.Id},
 		{"chain", p.Chain},