diff --git a/server/backtask/common/types.go b/server/backtask/common/types.go
index 8a6ebbff..b403eba2 100644
--- a/server/backtask/common/types.go
+++ b/server/backtask/common/types.go
@@ -6,10 +6,3 @@ type App interface {
 
 type TaskMgr interface {
 }
-
-type SpecTransfer721Handle interface {
-	OnMint(dbIdx int64, netId int32, contractAddress string, tokenId string,
-		from string, to string) bool
-	OnLock() bool
-	OnUnlock() bool
-}
diff --git a/server/backtask/task/spec_transfer721/spec_transfer721.go b/server/backtask/task/spec_transfer721/spec_transfer721.go
index 43e606be..83a42165 100644
--- a/server/backtask/task/spec_transfer721/spec_transfer721.go
+++ b/server/backtask/task/spec_transfer721/spec_transfer721.go
@@ -1,4 +1,4 @@
-package task
+package spec_transfer721
 
 import (
 	"q5"
@@ -8,24 +8,23 @@ import (
 	//"mt"
 	//"jccommon"
 	"main/constant"
-	"main/common"
 )
 
-type specTransfer721 struct {
-	handleHash *q5.ConcurrentMap[string, common.SpecTransfer721Handle]
+type SpecTransfer721 struct {
+	handleHash *q5.ConcurrentMap[string, specTransfer721Handle]
 }
 
-func (this* specTransfer721) init() {
-	this.handleHash = new(q5.ConcurrentMap[string, common.SpecTransfer721Handle])
+func (this* SpecTransfer721) Init() {
+	this.handleHash = new(q5.ConcurrentMap[string, specTransfer721Handle])
 	//this.handleHash.Store(jccommon.CONTRACT_NAME_CFHero, this.procHero)
 	//this.handleHash.Store(jccommon.CONTRACT_NAME_GoldBrick, this.procGoldBullion)
 	go this.process()
 }
 
-func (this* specTransfer721) unInit() {
+func (this* SpecTransfer721) UnInit() {
 }
 
-func (this* specTransfer721) process() {
+func (this* SpecTransfer721) process() {
 	f5.GetGoStyleDb().LoopLoad(
 		constant.BCEVENT_DB,
 		func (lastIdx int64) string {
diff --git a/server/backtask/task/spec_transfer721/types.go b/server/backtask/task/spec_transfer721/types.go
new file mode 100644
index 00000000..535f1c14
--- /dev/null
+++ b/server/backtask/task/spec_transfer721/types.go
@@ -0,0 +1,8 @@
+package spec_transfer721
+
+type specTransfer721Handle interface {
+	onMint(dbIdx int64, netId int32, contractAddress string, tokenId string,
+		from string, to string) bool
+	onLock() bool
+	onUnlock() bool
+}
diff --git a/server/backtask/task/taskmgr.go b/server/backtask/task/taskmgr.go
index 8455ef8e..0a77c9f3 100644
--- a/server/backtask/task/taskmgr.go
+++ b/server/backtask/task/taskmgr.go
@@ -2,6 +2,7 @@ package task
 
 import (
 	//"fmt"
+	"main/task/spec_transfer721"
 )
 
 type taskMgr struct {
@@ -9,7 +10,7 @@ type taskMgr struct {
 	//DailyTaskMgr
 	webHook
 	goldBullionReturn
-	specTransfer721
+	spec_transfer721.SpecTransfer721
 	repairNft
 }
 
@@ -18,13 +19,13 @@ func (this *taskMgr) Init() {
 	//t.DailyTaskMgr.Init()
 	this.webHook.init()
 	this.goldBullionReturn.init()
-	this.specTransfer721.init()
+	this.SpecTransfer721.Init()
 	this.repairNft.init()
 }
 
 func (this *taskMgr) UnInit() {
 	this.repairNft.unInit()
-	this.specTransfer721.unInit()
+	this.SpecTransfer721.UnInit()
 	this.goldBullionReturn.unInit()
 	this.webHook.unInit()
 }