diff --git a/app/controllers/oauth/jiangnan_cas_controller.rb b/app/controllers/oauth/jiangnan_cas_controller.rb
new file mode 100644
index 000000000..80b685b70
--- /dev/null
+++ b/app/controllers/oauth/jiangnan_cas_controller.rb
@@ -0,0 +1,25 @@
+class Oauth::JiangnanCasController < Oauth::BaseController
+  def create
+    user, is_new_user = Oauth::CreateORFindJiangnanCasUserService.call(check_params)
+    successful_authentication(user)
+    render_ok
+  end
+
+  def verify
+      render json: {
+        "code": 200,
+        "msg": "token验证成功",
+        "data": [{
+                   "code": "02020020250912000001",
+                   "userName":"XXX",
+                   "nickName":"sss",
+                   "thirdPartySign": "02020020250912000001",
+                   "originPlatform": "00",
+                   "expireTime": "xxx"}]
+      }
+  end
+
+  def check_params
+    params.permit(:token, :clientIp)
+  end
+end
\ No newline at end of file
diff --git a/app/models/open_users/jiangnan_cas.rb b/app/models/open_users/jiangnan_cas.rb
new file mode 100644
index 000000000..e7ea6ca87
--- /dev/null
+++ b/app/models/open_users/jiangnan_cas.rb
@@ -0,0 +1,27 @@
+# == Schema Information
+#
+# Table name: open_users
+#
+#  id         :integer          not null, primary key
+#  user_id    :integer
+#  type       :string(255)
+#  uid        :string(255)
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#  extra      :text(65535)
+#
+# Indexes
+#
+#  index_open_users_on_type_and_uid  (type,uid) UNIQUE
+#  index_open_users_on_user_id       (user_id)
+#
+
+class OpenUsers::JiangnanCas < OpenUser
+  def nickname
+    extra&.[]('userName')
+  end
+
+  def en_type
+    'jiangnan_cas'
+  end
+end
diff --git a/app/services/oauth/create_or_find_jiangnan_cas_user_service.rb b/app/services/oauth/create_or_find_jiangnan_cas_user_service.rb
new file mode 100644
index 000000000..941cf7fc9
--- /dev/null
+++ b/app/services/oauth/create_or_find_jiangnan_cas_user_service.rb
@@ -0,0 +1,140 @@
+class Oauth::CreateORFindJiangnanCasUserService < ApplicationService
+  CONFIG = Rails.application.config_for(:configuration)['jiangnan_cas']
+  def initialize(params)
+    @params = params
+  end
+
+  def call
+    result = verify_token(@params[:token], @params[:clientI])
+
+    return [nil, false] unless result[:success]
+    sso_user = result[:user]
+
+    open_user = OpenUsers::JiangnanCas.find_by(uid: sso_user[:code])
+    if open_user.present?
+      open_user.update(extra: sso_user.to_json)
+
+      return [open_user.user, false]
+    end
+
+    user = build_user(sso_user)
+
+    ActiveRecord::Base.transaction do
+      user.save!
+      user.create_user_extension!
+
+      OpenUsers::JiangnanCas.create!(
+        uid: sso_user[:code],
+        user: user,
+        extra: sso_user.to_json
+      )
+    end
+
+    [user, true]
+  end
+
+  private
+  def verify_token(token, client_ip)
+    raise 'jiangnan_cas 未配置' if CONFIG.blank?
+    uri = URI.parse(CONFIG["domain"] + CONFIG["verify_url"])
+    http = Net::HTTP.new(uri.host, uri.port)
+    #http.use_ssl = true
+
+    # 如果是自签名证书，可临时关闭验证（正式环境不建议）
+    #http.verify_mode = OpenSSL::SSL::VERIFY_NONE
+
+    request = Net::HTTP::Post.new(uri.request_uri)
+
+    # 请求头
+    request['Content-Type'] = 'application/json'
+    request['en-token-sso-user'] = token
+
+    # 请求体
+    request.body = {
+      clientIp: client_ip
+    }.to_json
+
+    response = http.request(request)
+
+    parse_response(response)
+  rescue URI::InvalidURIError => e
+    error_result("SSO 地址格式错误", e)
+  rescue Net::OpenTimeout => e
+    error_result("SSO 连接超时", e)
+  rescue Net::ReadTimeout => e
+    error_result("SSO 响应超时", e)
+  rescue SocketError => e
+    error_result("SSO 域名或IP无法访问", e)
+  rescue OpenSSL::SSL::SSLError => e
+    error_result("SSO SSL证书异常", e)
+  rescue JSON::ParserError => e
+    error_result("SSO 返回数据不是合法JSON", e)
+  rescue StandardError => e
+    error_result("SSO 验证失败", e)
+  end
+
+
+
+  def parse_response(response)
+    json = JSON.parse(response.body)
+    success = json['code'].to_i == 200
+    user = json['data']&.first || {}
+
+    {
+      success: success,
+      code: json['code'],
+      msg: json['msg'],
+
+      # 原始返回
+      data: json['data'] || [],
+
+      # 直接可用的用户信息
+      user: {
+        code: user['code'],
+        user_name: user['userName'],
+        nick_name: user['nickName'],
+        third_party_sign: user['thirdPartySign'],
+        origin_platform: user['originPlatform'],
+        expire_time: user['expireTime']
+      },
+
+      # http状态码
+      http_status: response.code.to_i
+    }
+  end
+
+  def error_result(message, exception)
+    Rails.logger.error <<~LOG
+        [SSO VERIFY ERROR]
+        message: #{message}
+        error: #{exception.class}
+        detail: #{exception.message}
+      LOG
+
+    {
+      success: false,
+      code: 500,
+      msg: "#{message}：#{exception.message}",
+      data: [],
+      user: nil
+    }
+  end
+
+
+  def build_user(sso_user)
+    nickname =
+      sso_user[:nick_name].presence ||
+        sso_user[:user_name].presence ||
+        @params[:comsys_name]
+
+    User.new(
+      login: User.generate_login('J'),
+      type: 'User',
+      status: User::STATUS_ACTIVE,
+      nickname: nickname,
+      lastname: nickname
+    )
+  end
+
+
+end
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 46fd18e1d..c45dd49df 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -25,6 +25,8 @@ Rails.application.routes.draw do
   # get 'auth/qq/callback', to: 'oauth/qq#create'
   get 'auth/failure', to: 'oauth/base#auth_failure'
   get 'auth/cas/callback', to: 'oauth/cas#create'
+  get 'auth/jiangnan/callback', to: 'oauth/jiangnan_cas#create'
+  post 'auth/jiangnan/verify', to: 'oauth/jiangnan_cas#verify'
   get 'auth/acge/callback', to: "oauth/acge#create"
   get 'oauth_ci4s', to: "oauth/ci4s#oauth_url"
   get 'auth/ci4s/callback', to: "oauth/ci4s#create"