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app/models/challenge.rb

@@ -20,7 +20,7 @@ class Challenge < ApplicationRecord
   # acts_as_attachable
 
   scope :base_attrs, -> { select([:id, :subject, :position, :shixun_id, :st, :score, :path, :task_pass, :modify_time,
-                                  :web_route, :answer, :exec_time]) }
+                                  :web_route, :answer, :exec_time, :praises_count]) }
   scope :choose_type, -> { where(st: 1) }
   scope :practice_type, -> { where(st: 0) }