diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 8359b14f9..c18e72efa 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -115,8 +115,8 @@ class ShixunsController < ApplicationController
 
 	def show_right
 		owner = @shixun.owner
-		#@fans_count = owner.followers.count
-		#@followed_count = owner.followed_users.count
+		#@fans_count = owner.fan_count
+		#@followed_count = owner.follow_count
 		@user_own_shixuns = owner.shixuns.published.count
 	end
 
diff --git a/app/decorators/user_decorator.rb b/app/decorators/user_decorator.rb
index 463d9a6e3..e00dead39 100644
--- a/app/decorators/user_decorator.rb
+++ b/app/decorators/user_decorator.rb
@@ -12,50 +12,6 @@ module UserDecorator
     logged_user? ? real_name : full_name
   end
 
-  # 关注数
-  def follow_count
-    Watcher.where(user_id: id, watchable_type: %w(Principal User)).count
-    # User.watched_by(id).count
-  end
-
-  # 粉丝数
-  def fan_count
-    Watcher.where(watchable_type: %w(Principal User), watchable_id: id).count
-    # watchers.count
-  end
-
-  # 是否绑定邮箱
-  def email_binded?
-    mail.present?
-  end
-
-  # 学院的url标识
-  def college_identifier
-
-    Department.find_by_id(department_members.pluck(:department_id).first)&.identifier
-  end
-
-  # 是否能申请试用
-  def can_apply_trial?
-    return false if certification == 1
-
-    apply = ApplyAction.order(created_at: :desc).find_by(user_id: id, container_type: 'TrialAuthorization')
-
-    apply.present? && !apply.status.zero?
-  end
-
-  # 是否已经签到
-  def attendance_signed?
-    attendance = Attendance.find_by(user_id: id)
-
-    attendance.present? && Util.days_between(Time.zone.now, attendance.created_at).zero?
-  end
-
-  # 明日签到金币
-  def tomorrow_attendance_gold
-    Attendance.find_by(user_id: id)&.next_gold || 50
-  end
-
   # ----------- 账号管理 -------------
   def authentication_status
     if authentication?
@@ -76,16 +32,4 @@ module UserDecorator
       'uncertified'
     end
   end
-
-  def base_info_completed?
-    user_columns = %i[nickname lastname]
-    user_extension_columns = %i[gender location location_city identity school_id department]
-
-    user_columns.all? { |column| public_send(column).present? } &&
-      user_extension_columns.all? { |column| user_extension.send(column).present? }
-  end
-
-  def all_certified?
-    authentication? && professional_certification?
-  end
 end
\ No newline at end of file
diff --git a/app/libs/util.rb b/app/libs/util.rb
index f6c8855b9..3485bebd7 100644
--- a/app/libs/util.rb
+++ b/app/libs/util.rb
@@ -28,4 +28,9 @@ module Util
       end
     end
   end
+
+  def logger_error(exception)
+    Rails.logger.error(exception.message)
+    exception.backtrace.each { |message| Rails.logger.error(message) }
+  end
 end
\ No newline at end of file
diff --git a/app/models/relationship.rb b/app/models/relationship.rb
index d5c754745..d71987867 100644
--- a/app/models/relationship.rb
+++ b/app/models/relationship.rb
@@ -1,6 +1,8 @@
+# TODO: 已废弃
 class Relationship < ApplicationRecord
   belongs_to :follower, class_name: "User"
   belongs_to :followed, class_name: "User"
+
   validates :follower_id, presence: true
   validates :followed_id, presence: true
 end
diff --git a/app/models/user.rb b/app/models/user.rb
index 8e25efe70..1b3349467 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -47,14 +47,6 @@ class User < ApplicationRecord
 
   has_many :graduation_works, dependent: :destroy
 
-  # 关注
-  has_many :relationships, foreign_key: "follower_id", dependent: :destroy
-  has_many :followed_users, through: :relationships, source: :followed
-  # 粉丝
-  has_many :reverse_relationships, foreign_key: "followed_id",
-                                   class_name: "Relationship",
-                                   dependent: :destroy
-  has_many :followers, through: :reverse_relationships, source: :follower
   has_many :students_for_courses, foreign_key: :student_id, dependent: :destroy
   has_one :onclick_time, :dependent => :destroy
 
@@ -161,19 +153,16 @@ class User < ApplicationRecord
     self.user_extension.try(:student_id)
   end
 
-  # 关注总数
-  def following?(other_user)
-    relationships.find_by(followed_id: other_user)
-  end
-
-  # 关注
-  def follow!(other_user)
-    relationships.create!(followed_id: other_user)
+  # 关注数
+  def follow_count
+    Watcher.where(user_id: id, watchable_type: %w(Principal User)).count
+    # User.watched_by(id).count
   end
 
-  # 取消关注
-  def unfollow!(other_user)
-    relationships.find_by(followed_id: other_user.id).destroy
+  # 粉丝数
+  def fan_count
+    Watcher.where(watchable_type: %w(Principal User), watchable_id: id).count
+    # watchers.count
   end
 
   # 判断当前用户是否为老师
@@ -545,6 +534,51 @@ class User < ApplicationRecord
     Educoder::Utils.random_hex(16)
   end
 
+  # 基本资料是否完善
+  def base_info_completed?
+    user_columns = %i[nickname lastname]
+    user_extension_columns = %i[gender location location_city identity school_id department]
+
+    user_columns.all? { |column| public_send(column).present? } &&
+      user_extension_columns.all? { |column| user_extension.send(column).present? }
+  end
+
+  # 全部已认证
+  def all_certified?
+    authentication? && professional_certification?
+  end
+
+  # 是否绑定邮箱
+  def email_binded?
+    mail.present?
+  end
+
+  # 学院的url标识
+  def college_identifier
+    Department.find_by_id(department_members.pluck(:department_id).first)&.identifier
+  end
+
+  # 是否能申请试用
+  def can_apply_trial?
+    return false if certification == 1
+
+    apply = ApplyAction.order(created_at: :desc).find_by(user_id: id, container_type: 'TrialAuthorization')
+
+    apply.present? && !apply.status.zero?
+  end
+
+  # 是否已经签到
+  def attendance_signed?
+    attendance = Attendance.find_by(user_id: id)
+
+    attendance.present? && Util.days_between(Time.zone.now, attendance.created_at).zero?
+  end
+
+  # 明日签到金币
+  def tomorrow_attendance_gold
+    Attendance.find_by(user_id: id)&.next_gold || 60  # 基础50，连续签到+10
+  end
+
   protected
   def validate_password_length
     # 管理员的初始密码是5位
diff --git a/app/views/shixuns/collaborators.json.jbuilder b/app/views/shixuns/collaborators.json.jbuilder
index bd880c93e..0101f1e59 100644
--- a/app/views/shixuns/collaborators.json.jbuilder
+++ b/app/views/shixuns/collaborators.json.jbuilder
@@ -10,7 +10,7 @@ json.array! @members do |member|
   json.user do
     json.partial! 'users/user', locals: { user: member.user }
     json.user_shixuns_count member.user.shixuns.published.count
-    #json.fans_count member.user.followers.count
+    #json.fans_count member.user.fan_count
     json.brief_introduction member.user.user_extension.brief_introduction
     json.identity member.user.identity
     json.school_name member.user.school_name