diff --git a/server/marketserver/service/contribution.go b/server/marketserver/service/contribution.go
index 6d43c336..41315064 100644
--- a/server/marketserver/service/contribution.go
+++ b/server/marketserver/service/contribution.go
@@ -1 +1,13 @@
 package service
+
+type contribution struct {
+
+}
+
+func (this *contribution) init() {
+
+}
+
+func (this *contribution) unInit() {
+
+}
diff --git a/server/marketserver/service/export.go b/server/marketserver/service/export.go
index 405e578e..517ec780 100644
--- a/server/marketserver/service/export.go
+++ b/server/marketserver/service/export.go
@@ -5,6 +5,7 @@ import (
 	"main/global"
 )
 
+var Contribution = new(contribution)
 var _serviceMgr = new(serviceMgr)
 
 func init() {
diff --git a/server/marketserver/service/servicemgr.go b/server/marketserver/service/servicemgr.go
index 24cd09d8..14997cfe 100644
--- a/server/marketserver/service/servicemgr.go
+++ b/server/marketserver/service/servicemgr.go
@@ -4,7 +4,9 @@ type serviceMgr struct {
 }
 
 func (this *serviceMgr) Init() {
+	Contribution.init()
 }
 
 func (this *serviceMgr) UnInit() {
+	Contribution.unInit()
 }