diff --git a/src/main/scala/gitbucket/core/model/Collaborator.scala b/src/main/scala/gitbucket/core/model/Collaborator.scala
index 55ae80f..f25e4b2 100644
--- a/src/main/scala/gitbucket/core/model/Collaborator.scala
+++ b/src/main/scala/gitbucket/core/model/Collaborator.scala
@@ -7,7 +7,8 @@
 
   class Collaborators(tag: Tag) extends Table[Collaborator](tag, "COLLABORATOR") with BasicTemplate {
     val collaboratorName = column[String]("COLLABORATOR_NAME")
-    def * = (userName, repositoryName, collaboratorName) <> (Collaborator.tupled, Collaborator.unapply)
+    val permission = column[String]("PERMISSION")
+    def * = (userName, repositoryName, collaboratorName, permission) <> (Collaborator.tupled, Collaborator.unapply)
 
     def byPrimaryKey(owner: String, repository: String, collaborator: String) =
       byRepository(owner, repository) && (collaboratorName === collaborator.bind)
@@ -17,5 +18,6 @@
 case class Collaborator(
   userName: String,
   repositoryName: String,
-  collaboratorName: String
+  collaboratorName: String,
+  permission: String
 )
diff --git a/src/main/scala/gitbucket/core/model/Repository.scala b/src/main/scala/gitbucket/core/model/Repository.scala
index c5c61bb..feca31d 100644
--- a/src/main/scala/gitbucket/core/model/Repository.scala
+++ b/src/main/scala/gitbucket/core/model/Repository.scala
@@ -23,11 +23,12 @@
     val allowWikiEditing     = column[Boolean]("ALLOW_WIKI_EDITING")
     val externalWikiUrl      = column[String]("EXTERNAL_WIKI_URL")
     val allowFork            = column[Boolean]("ALLOW_FORK")
+    val allowCreateIssue     = column[Boolean]("ALLOW_CREATE_ISSUE")
 
     def * = (
       (userName, repositoryName, isPrivate, description.?, defaultBranch,
       registeredDate, updatedDate, lastActivityDate, originUserName.?, originRepositoryName.?, parentUserName.?, parentRepositoryName.?),
-      (enableIssues, externalIssuesUrl.?, enableWiki, allowWikiEditing, externalWikiUrl.?, allowFork)
+      (enableIssues, externalIssuesUrl.?, enableWiki, allowWikiEditing, externalWikiUrl.?, allowFork, allowCreateIssue)
     ).shaped <> (
       { case (repository, options) =>
         Repository(
@@ -90,5 +91,6 @@
   enableWiki: Boolean,
   allowWikiEditing: Boolean,
   externalWikiUrl: Option[String],
-  allowFork: Boolean
+  allowFork: Boolean,
+  allowCreateIssue: Boolean
 )
diff --git a/src/main/scala/gitbucket/core/service/RepositoryService.scala b/src/main/scala/gitbucket/core/service/RepositoryService.scala
index fef9897..093e876 100644
--- a/src/main/scala/gitbucket/core/service/RepositoryService.scala
+++ b/src/main/scala/gitbucket/core/service/RepositoryService.scala
@@ -43,7 +43,8 @@
           enableWiki           = true,
           allowWikiEditing     = true,
           externalWikiUrl      = None,
-          allowFork            = true
+          allowFork            = true,
+          allowCreateIssue     = false
         )
       )
 
@@ -124,11 +125,8 @@
           repositoryName = newRepositoryName
         )) :_*)
 
-        if(account.isGroupAccount){
-          Collaborators.insertAll(getGroupMembers(newUserName).map(m => Collaborator(newUserName, newRepositoryName, m.userName)) :_*)
-        } else {
-          Collaborators.insertAll(collaborators.map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
-        }
+        // TODO Drop transfered owner from collaborators?
+        Collaborators.insertAll(collaborators.map(_.copy(userName = newUserName, repositoryName = newRepositoryName)) :_*)
 
         // Update activity messages
         Activities.filter { t =>
@@ -340,7 +338,7 @@
    * Add collaborator (user or group) to the repository.
    */
   def addCollaborator(userName: String, repositoryName: String, collaboratorName: String)(implicit s: Session): Unit =
-    Collaborators insert Collaborator(userName, repositoryName, collaboratorName)
+    Collaborators insert Collaborator(userName, repositoryName, collaboratorName, "ADMIN") // TODO
 
   /**
    * Remove collaborator (user or group) from the repository.
@@ -358,7 +356,7 @@
    * Returns the list of collaborators name (user name or group name) which is sorted with ascending order.
    */
   def getCollaborators(userName: String, repositoryName: String)(implicit s: Session): List[String] =
-    Collaborators.filter(_.byRepository(userName, repositoryName)).sortBy(_.collaboratorName).map(_.collaboratorName).list
+    Collaborators.filter(_.byRepository(userName, repositoryName)).sortBy(_.collaboratorName).map(_.collaboratorName).list // TODO return with permission
 
   /**
    * Returns the list of all collaborator name and permission which is sorted with ascending order.