修复课程成员不能编辑、删除、添加的问题

lib/trustie/gitlab/manage_member.rb

@@ -42,11 +42,15 @@ module Trustie
       end
 
       def repository
-        project.repository
+        unless project.nil?
+          project.repository
+        end
       end
 
       def isGitlabProject?
-        repository && repository.gitlab?
+        unless repository.nil?
+          repository && repository.gitlab?
+        end
       end
 
     end