diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index 3461160f8..c904b1743 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -66,7 +66,6 @@ module ProjectsHelper
       jianmu_devops: jianmu_devops_code(project, user),
       jianmu_devops_url: jianmu_devops_url,
       cloud_ide_saas_url: cloud_ide_saas_url(user),
-      open_blockchain: EduSetting.get("open_blockchain_projects").to_s.split(",").include?(project.id.to_s) || EduSetting.get("open_blockchain_projects").to_s.split(",").include?(project.identifier) || EduSetting.get("open_blockchain_users").to_s.split(",").include?(user.id) || EduSetting.get("open_blockchain_users").to_s.split(",").include?(user.login),
       ignore_id: project.ignore_id
     }).compact
 
@@ -182,7 +181,7 @@ module ProjectsHelper
   end
 
   def ai_shang_v3_url(project)
-    url = EduSetting.get("ai_shang_v3_url") || "https://entropy.ingress.isa.buaanlsde.cn"
+    url = EduSetting.get("ai_shang_v3_url") || "https://shang.gitlink.org.cn/v3"
     case project.identifier.to_s.downcase
     when nil                   then ""
     when 'rails'               then "#{url}/rails/entropy"