diff --git a/lib/groupher_server/cms/helper/macros.ex b/lib/groupher_server/cms/helper/macros.ex
index 3c7ce4134..7b3f18075 100644
--- a/lib/groupher_server/cms/helper/macros.ex
+++ b/lib/groupher_server/cms/helper/macros.ex
@@ -5,7 +5,6 @@ defmodule GroupherServer.CMS.Helper.Macros do
   import Helper.Utils, only: [get_config: 2]
 
   alias GroupherServer.{CMS, Accounts}
-
   alias Accounts.Model.User
 
   alias CMS.Model.{
@@ -32,7 +31,7 @@ defmodule GroupherServer.CMS.Helper.Macros do
 
   add(:post_id, references(:cms_posts, on_delete: :delete_all))
   add(:job_id, references(:cms_jobs, on_delete: :delete_all))
-  add(:repo_id, references(:cms_jobs, on_delete: :delete_all))
+  add(:repo_id, references(:cms_repos, on_delete: :delete_all))
   ...
   """
   defmacro article_belongs_to_fields() do
@@ -41,7 +40,7 @@ defmodule GroupherServer.CMS.Helper.Macros do
       quote do
         belongs_to(
           unquote(thread),
-          Module.concat(CMS.Model, unquote(thread) |> to_string |> Recase.to_pascal()),
+          Module.concat(CMS.Model, Recase.to_pascal(to_string(unquote(thread)))),
           foreign_key: unquote(:"#{thread}_id")
         )
       end
@@ -184,6 +183,7 @@ defmodule GroupherServer.CMS.Helper.Macros do
   """
   defmacro general_article_fields do
     quote do
+      field(:title, :string)
       belongs_to(:author, Author)
 
       field(:views, :integer, default: 0)
@@ -207,29 +207,6 @@ defmodule GroupherServer.CMS.Helper.Macros do
     end
   end
 
-  @doc """
-  for GroupherServer.CMS.Model.Community
-
-  # TABLE: "communities_[article]s"
-    add(:community_id, references(:communities, on_delete: :delete_all), null: false)
-    add(:[article]_id, references(:cms_[article]s, on_delete: :delete_all), null: false)
-
-  create(unique_index(:communities_[article]s, [:community_id, :[article]_id]))
-  """
-  defmacro community_article_fields() do
-    @article_threads
-    |> Enum.map(fn thread ->
-      quote do
-        many_to_many(
-          unquote(:"#{thread}s"),
-          Module.concat(CMS.Model, unquote(thread) |> to_string |> Recase.to_pascal()),
-          join_through: unquote("communities_#{to_string(thread)}s"),
-          join_keys: [community_id: :id] ++ Keyword.new([{unquote(:"#{thread}_id"), :id}])
-        )
-      end
-    end)
-  end
-
   @doc """
   for GroupherServer.CMS.[Article]
 
@@ -237,7 +214,7 @@ defmodule GroupherServer.CMS.Helper.Macros do
   add(:community_id, references(:communities, on_delete: :delete_all), null: false)
   add(:[article]_id, references(:cms_[article]s, on_delete: :delete_all), null: false)
 
-  create(unique_index(:communities_job_[article]s, [:community_id, :[article]_id]))
+  create(unique_index(:communities_join_[article]s, [:community_id, :[article]_id]))
   """
   defmacro article_communities_field(thread) do
     quote do
diff --git a/lib/groupher_server/cms/models/community.ex b/lib/groupher_server/cms/models/community.ex
index 86827062a..9edd3adda 100644
--- a/lib/groupher_server/cms/models/community.ex
+++ b/lib/groupher_server/cms/models/community.ex
@@ -70,8 +70,6 @@ defmodule GroupherServer.CMS.Model.Community do
       # on_replace: :delete
     )
 
-    community_article_fields()
-    #
     # posts_block_list ...
     timestamps(type: :utc_datetime)
   end
diff --git a/lib/groupher_server/cms/models/job.ex b/lib/groupher_server/cms/models/job.ex
index 40d96146e..6bbc62b3b 100644
--- a/lib/groupher_server/cms/models/job.ex
+++ b/lib/groupher_server/cms/models/job.ex
@@ -19,7 +19,6 @@ defmodule GroupherServer.CMS.Model.Job do
 
   @type t :: %Job{}
   schema "cms_jobs" do
-    field(:title, :string)
     field(:company, :string)
     field(:company_link, :string)
     field(:desc, :string)
diff --git a/lib/groupher_server/cms/models/post.ex b/lib/groupher_server/cms/models/post.ex
index 78712950d..d71f7c826 100644
--- a/lib/groupher_server/cms/models/post.ex
+++ b/lib/groupher_server/cms/models/post.ex
@@ -23,7 +23,6 @@ defmodule GroupherServer.CMS.Model.Post do
   @type t :: %Post{}
   schema "cms_posts" do
     field(:body, :string)
-    field(:title, :string)
     field(:digest, :string)
     field(:link_addr, :string)
     field(:copy_right, :string)
diff --git a/lib/groupher_server/cms/models/repo.ex b/lib/groupher_server/cms/models/repo.ex
index ea86ea6a4..8d992ebd8 100644
--- a/lib/groupher_server/cms/models/repo.ex
+++ b/lib/groupher_server/cms/models/repo.ex
@@ -20,7 +20,6 @@ defmodule GroupherServer.CMS.Model.Repo do
 
   @type t :: %Repo{}
   schema "cms_repos" do
-    field(:title, :string)
     field(:owner_name, :string)
     field(:owner_url, :string)
     field(:repo_url, :string)