diff --git a/app/controllers/users/interests_controller.rb b/app/controllers/users/interests_controller.rb
new file mode 100644
index 000000000..ca5f63af9
--- /dev/null
+++ b/app/controllers/users/interests_controller.rb
@@ -0,0 +1,25 @@
+class Users::InterestsController < Users::BaseController
+  before_action :require_login
+  before_action :private_user_resources!
+
+  def create
+    identity = params[:identity].to_s.strip
+
+    extension = observed_user.user_extension || observed_user.build_user_extension
+    return render_error('请选择职业') unless %w(teacher student professional).include?(identity)
+
+    ActiveRecord::Base.transaction do
+      extension.update_column(:identity, identity)
+
+      # 兴趣
+      observed_user.user_interests.delete_all
+      UserInterest.bulk_insert(:user_id, :repertoire_id) do |worker|
+        (Repertoire.pluck(:id) & Array.wrap(params[:interest_ids]).map(&:to_i)).each do |repertoire_id|
+          worker.add(user_id: observed_user.id, repertoire_id: repertoire_id)
+        end
+      end
+    end
+
+    render_ok
+  end
+end
\ No newline at end of file
diff --git a/app/models/repertoire.rb b/app/models/repertoire.rb
index d76a022c5..72e1ebfff 100644
--- a/app/models/repertoire.rb
+++ b/app/models/repertoire.rb
@@ -2,4 +2,5 @@ class Repertoire < ApplicationRecord
   has_many :sub_repertoires, ->{order(updated_at: :desc)}, :dependent => :destroy
 
   has_many :tag_repertoires, through: :sub_repertoires
+  has_many :user_interests, dependent: :delete_all
 end
diff --git a/app/models/user.rb b/app/models/user.rb
index e775af5f8..7e04ff423 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -115,6 +115,10 @@ class User < ApplicationRecord
 
   has_many :attendances
 
+  # 兴趣
+  has_many :user_interests, dependent: :delete_all
+  has_many :interests, through: :user_interests, source: :repertoire
+
   # Groups and active users
   scope :active, lambda { where(status: STATUS_ACTIVE) }
 
diff --git a/app/models/user_interest.rb b/app/models/user_interest.rb
new file mode 100644
index 000000000..bdb6e77d4
--- /dev/null
+++ b/app/models/user_interest.rb
@@ -0,0 +1,4 @@
+class UserInterest < ApplicationRecord
+  belongs_to :user
+  belongs_to :repertoire
+end
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index cf5bad608..f0123d95b 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -47,6 +47,7 @@ Rails.application.routes.draw do
         resource :experience_records, only: [:show]
         resource :grade_records, only: [:show]
         resource :watch, only: [:create, :destroy]
+        resource :interest, only: [:create]
       end
 
 
diff --git a/db/migrate/20190706010307_create_user_interests.rb b/db/migrate/20190706010307_create_user_interests.rb
new file mode 100644
index 000000000..d64a1c228
--- /dev/null
+++ b/db/migrate/20190706010307_create_user_interests.rb
@@ -0,0 +1,8 @@
+class CreateUserInterests < ActiveRecord::Migration[5.2]
+  def change
+    create_table :user_interests do |t|
+      t.references :user
+      t.references :repertoire
+    end
+  end
+end