修改关注用户

app/models/user.rb

@@ -71,7 +71,7 @@ class User < ApplicationRecord
   has_many :be_watchers, foreign_key: :user_id, dependent: :destroy # 我的关注
   has_many :be_watcher_users, through: :be_watchers, dependent: :destroy # 我关注的用户
   
-  has_many :watchers, as: :watchable, dependent: :destroy 
+  has_many :watchers, dependent: :destroy 
 
   # 认证
   has_many :apply_user_authentication