diff --git a/salesreportapp/repository/constructor.go b/salesreportapp/repository/constructor.go
index 936c5f15..ac68461a 100644
--- a/salesreportapp/repository/constructor.go
+++ b/salesreportapp/repository/constructor.go
@@ -2,12 +2,13 @@ package salesreportrepository
 
 import "git.gocasts.ir/ebhomengo/niki/repository/mysql"
 
-// abstract on db
+// TODO :more abstraction on Repository Layer
 type Repository struct {
-	dbMysql   *mysql.DB
-	dbPostgre *mysql.DB
+	dbMysql *mysql.DB
 }
 
-func New(connMy *mysql.DB, connPos *mysql.DB) Repository {
-	return Repository{}
+func New(connMy *mysql.DB) Repository {
+	return Repository{
+		dbMysql: connMy,
+	}
 }