diff --git a/server/marketserver/service/export.go b/server/marketserver/service/export.go
index f41910a9..ff5606f2 100644
--- a/server/marketserver/service/export.go
+++ b/server/marketserver/service/export.go
@@ -8,6 +8,7 @@ import (
 var Contribution = new(contribution)
 var _serviceMgr = new(serviceMgr)
 var GameSwitches = new(gameSwitch)
+var User = new(user)
 
 func init() {
 	global.RegModule(constant.SERVICE_MGR_MODULE_IDX, _serviceMgr)
diff --git a/server/marketserver/service/servicemgr.go b/server/marketserver/service/servicemgr.go
index 14997cfe..4e9d8baa 100644
--- a/server/marketserver/service/servicemgr.go
+++ b/server/marketserver/service/servicemgr.go
@@ -5,8 +5,10 @@ type serviceMgr struct {
 
 func (this *serviceMgr) Init() {
 	Contribution.init()
+	User.init()
 }
 
 func (this *serviceMgr) UnInit() {
 	Contribution.unInit()
+	User.unInit()
 }
diff --git a/server/marketserver/service/user.go b/server/marketserver/service/user.go
new file mode 100644
index 00000000..68913856
--- /dev/null
+++ b/server/marketserver/service/user.go
@@ -0,0 +1,21 @@
+package service
+
+import (
+	"strings"
+)
+
+type user struct {
+}
+
+func (this *user) init(){
+}
+
+func (this *user) unInit(){
+}
+
+func (this *user) InBlackList(userIdentity string) (bool, error) {
+	if strings.ToLower(userIdentity) == strings.ToLower("0x52f01e8791cb558c93ee0c59ea5ff5d79fc82044") {
+		return true, nil
+	}
+	return false, nil
+}