diff --git a/config/configuration.yml.example b/config/configuration.yml.example
index c90cea288..be8d59997 100644
--- a/config/configuration.yml.example
+++ b/config/configuration.yml.example
@@ -1,33 +1,5 @@
 default: &default
-  # 用户登入的时候设置/登出的时候清空
-  autologin_cookie_name: 'autologin_gitlink'
   platform_url: 'http://localhost:3000'
-  sign_key: ''
-
-  #附件上传路径
-  attachment_folder: '/tmp'
-
-  # webssh相关
-  tomcat_webssh: 'https://testwebssh.gitlink.org.cn'
-  webssh_username: ''
-  webssh_password: ''
-
-  # git服务地址
-  git_address_ip: ''
-
-  #新版git服务地址
-  git_address_domain: ''
-
-  # git管理员用户名问题, 适用于git客户端的操作
-  git_username: ''
-  git_password: ''
-
-  ucloud:
-    public_key: ''
-    private_key: ''
-    public_bucket: ''
-    public_bucket_host: ''
-    public_cdn_host: ''
   oauth:
     qq:
       appid: 'test'
@@ -45,10 +17,10 @@ default: &default
       callback_url: 'callback_url'
       signature_key: 'test12345678'
     educoder: 
-      client_id: 'e9ce4d5ba1698d6f7d01d8ee2959776c7a6d743ebe94da2341e288fd2fbf60aa'
-      client_secret: '6ff84dd75eddd859c5bd0e7a791b58bc5ad1ba4fbb30bc9db37cb0baf9f33012'
-      base_url: 'https://test-data.educoder.net'
-      redirect_uri: 'https://testforgeplus.trustie.net/api/auth/educoder/callback'
+      client_id: 'test'
+      client_secret: 'test123456'
+      base_url: 'https://test.a.com'
+      redirect_uri: 'https://test.a.com/api/auth/educoder/callback'
 
   gitea:
     access_key_id: ''
@@ -73,7 +45,8 @@ default: &default
   trace: 
     domain: ''
     base_url: ''
-
+    cookie_domain: '.gitlink.org.cn'
+    view_domain: 'https://cjn.gitlink.org.cn'
   forum:
     domain: ''
     base_url: '/api'
@@ -83,26 +56,10 @@ default: &default
 
 production:
   <<: *default
-  # 中间层地址
-
-  cloud_bridge: ''
-  cloud_tomcat_php: ''
-  bridge_secret_key: ''
-  cookie_domain: '.gitlink.org.cn'
-
-  attachment_folder: ''
-  host_name: 'https://testeduplus2.gitlink.org.cn'
-  old_edu_host: 'http://testbdweb.gitlink.org.cn'
 
 development:
   <<: *default
 
-  cloud_bridge: ''
-  cloud_tomcat_php: ''
-  host_name: ''
-  old_edu_host: ''
 test:
   <<: *default
-  cloud_tomcat_php: 'http://10.9.63.225'
-  host_name: 'https://testeduplus2.gitlink.org.cn'
-  old_edu_host: 'http://testbdweb.gitlink.org.cn'
+
diff --git a/config/database.yml.example b/config/database.yml.example
index 52f6538e1..157a5ac54 100644
--- a/config/database.yml.example
+++ b/config/database.yml.example
@@ -1,61 +1,62 @@
-# MySQL. Versions 5.1.10 and up are supported.
-#
-# Install the MySQL driver
-#   gem install mysql2
-#
-# Ensure the MySQL gem is defined in your Gemfile
-#   gem 'mysql2'
-#
-# And be sure to use new-style password hashing:
-#   https://dev.mysql.com/doc/refman/5.7/en/password-hashing.html
-#
-default: &default
-  adapter: mysql2
-  host: 127.0.0.1
-  encoding: utf8
-  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
-  username: root
-  password: 123456
-#  socket: /var/run/mysqld/mysqld.sock
-  gitea_server:
-    adapter: mysql2
-    database: gitea_development
-    host: 127.0.0.1
-    username: root
-    password: "123456"
-    encoding: utf8
-
-development:
-  <<: *default
-  host: 127.0.0.1
-  database: forge_development
-
-# Warning: The database defined as "test" will be erased and
-# re-generated from your development database when you run "rake".
-# Do not set this db to the same as development or production.
-test:
-  <<: *default
-  database: forge_test
-
-# As with config/secrets.yml, you never want to store sensitive information,
-# like your database password, in your source code. If your source code is
-# ever seen by anyone, they now have access to your database.
-#
-# Instead, provide the password as a unix environment variable when you boot
-# the app. Read http://guides.rubyonrails.org/configuring.html#configuring-a-database
-# for a full rundown on how to provide these environment variables in a
-# production deployment.
-#
-# On Heroku and other platform providers, you may have a full connection URL
-# available as an environment variable. For example:
-#
-#   DATABASE_URL="mysql2://myuser:mypass@localhost/somedatabase"
-#
-# You can use this database configuration with:
-#
-#   production:
-#     url: <%= ENV['DATABASE_URL'] %>
-#
-production:
-  <<: *default
-  database: forge_production
+# MySQL. Versions 5.1.10 and up are supported.
+#
+# Install the MySQL driver
+#   gem install mysql2
+#
+# Ensure the MySQL gem is defined in your Gemfile
+#   gem 'mysql2'
+#
+# And be sure to use new-style password hashing:
+#   https://dev.mysql.com/doc/refman/5.7/en/password-hashing.html
+#
+default: &default
+  adapter: mysql2
+  host: 127.0.0.1
+  encoding: utf8mb4
+  reconnect: true
+  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+  username: root
+  password: 123456
+#  socket: /var/run/mysqld/mysqld.sock
+  gitea_server:
+    adapter: mysql2
+    database: gitea_development
+    host: 127.0.0.1
+    username: root
+    password: "123456"
+    encoding: utf8
+
+development:
+  <<: *default
+  host: 127.0.0.1
+  database: forge_development
+
+# Warning: The database defined as "test" will be erased and
+# re-generated from your development database when you run "rake".
+# Do not set this db to the same as development or production.
+test:
+  <<: *default
+  database: forge_test
+
+# As with config/secrets.yml, you never want to store sensitive information,
+# like your database password, in your source code. If your source code is
+# ever seen by anyone, they now have access to your database.
+#
+# Instead, provide the password as a unix environment variable when you boot
+# the app. Read http://guides.rubyonrails.org/configuring.html#configuring-a-database
+# for a full rundown on how to provide these environment variables in a
+# production deployment.
+#
+# On Heroku and other platform providers, you may have a full connection URL
+# available as an environment variable. For example:
+#
+#   DATABASE_URL="mysql2://myuser:mypass@localhost/somedatabase"
+#
+# You can use this database configuration with:
+#
+#   production:
+#     url: <%= ENV['DATABASE_URL'] %>
+#
+production:
+  <<: *default
+  database: forge_production
diff --git a/db/migrate/20221124111351_update_pull_request_utf_name.rb b/db/migrate/20221124111351_update_pull_request_utf_name.rb
index 6d0fd2fec..d0c0ec9fc 100644
--- a/db/migrate/20221124111351_update_pull_request_utf_name.rb
+++ b/db/migrate/20221124111351_update_pull_request_utf_name.rb
@@ -11,6 +11,6 @@ class UpdatePullRequestUtfName < ActiveRecord::Migration[5.2]
     execute("ALTER TABLE `versions` MODIFY `description` text CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
     execute("ALTER TABLE `issue_tags` MODIFY `name` varchar(190) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
     execute("ALTER TABLE `issue_tags` MODIFY `description` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
-    execute("ALTER TABLE `projects_activity` MODIFY `project_name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
+    # execute("ALTER TABLE `projects_activity` MODIFY `project_name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
   end
 end