diff --git a/app/models/concerns/watchable.rb b/app/models/concerns/watchable.rb
index e97c6cc2..db00088d 100644
--- a/app/models/concerns/watchable.rb
+++ b/app/models/concerns/watchable.rb
@@ -41,7 +41,7 @@ module Watchable
       (count_user * 1.0 / (count_all + 0.000000001)).round(5)
     end
 
-    if @project.use_blockchain == true or @project.use_blockchain == 1
+    if @project['use_blockchain'] == true or @project['use_blockchain'] == 1
       balance_user = Blockchain::BalanceQueryOneProject.call({"user_id": @user.id, "project_id": @project.id})[:balance]
       balance_all = Blockchain::RepoBasicInfo.call({"project_id": @project.id})["cur_supply"]
       score = cal_perc(balance_user, balance_all)