diff --git a/app/services/admins/import_user_service.rb b/app/services/admins/import_user_service.rb
index 5ba30f9e0..f3408051b 100644
--- a/app/services/admins/import_user_service.rb
+++ b/app/services/admins/import_user_service.rb
@@ -1,8 +1,7 @@
 class Admins::ImportUserService < ApplicationService
   Error = Class.new(StandardError)
 
-  attr_reader :file, :result
-  attr_accessor :school, :department
+  attr_reader :file, :school, :prefix, :result
 
   def initialize(file)
     @file   = file
@@ -13,6 +12,9 @@ class Admins::ImportUserService < ApplicationService
     raise Error, '文件不存在' if file.blank?
 
     excel = Admins::ImportUserExcel.new(file)
+    @school = excel.school
+    @prefix = excel.identifier
+
     excel.read_each(&method(:save_user))
 
     result
@@ -23,63 +25,68 @@ class Admins::ImportUserService < ApplicationService
   private
 
   def save_user(data)
-    ActiveRecord::Base.transaction do
-      if school.blank? || school.name != data.school
-        @school = School.find_or_create_by!(name: data.school)
-      end
-      if department.blank? || department.school_id != school.id || department.name != data.department
-        @department = school.departments.find_or_initialize_by(name: data.department)
-        @department.is_auth = true
-        @department.save!
-      end
-
-      user =
-        if data.phone && data.mail
-          User.find_by(phone: data.phone, mail: data.mail)
-        elsif data.phone && data.mail.blank?
-          User.find_by(phone: data.phone)
-        elsif data.phone.blank? && data.mail
-          User.find_by(mail: data.mail)
-        elsif
-          User.joins(:user_extension).where(user_extensions: { student_id: data.student_id }).first
-        end
-
-      user ||= User.new
-
-      attrs = {
-        type: 'User',
-        status: User::STATUS_ACTIVE,
-        login: user.login.presence || data.student_id || User.generate_login("local"),
-        firstname: '',
-        lastname: data.name,
-        nickname: data.name,
-        password: '12345678',
-        professional_certification: 1,
-        certification: 1,
-        phone: data.phone,
-        mail: data.mail,
-        profile_completed: true,
-      }
-      user.assign_attributes(attrs)
-      user.save!
-
-      identity = data.identity.present? ? data.identity.to_i : 2
+    user = find_user(data)
 
-      extension_attrs = {
-        school_id: school.id, location: school.province, location_city: school.city,
-        gender: 0, identity: identity, department_id: department.id, student_id: data.student_id.presence
-      }
-      extension = user.user_extension || user.build_user_extension
-      extension.assign_attributes(extension_attrs)
-      extension.save!
+    if user.blank?
+      create_user(data)
+    else
+      user.update_column(:certification, 1)
     end
 
     result[:success] += 1
   rescue Exception => ex
     fail_data = data.as_json
-    fail_data[:data] = fail_data.values.join('，')
+    fail_data[:data] = fail_data.values.join(',')
     fail_data[:message] = ex.message
 
     result[:fail] << fail_data
   end
+
+  def create_user(data)
+    department = school.departments.find_by(name: data.department_name)
+
+    attr = {
+      type: 'User',
+      status: User::STATUS_ACTIVE,
+      login: "#{prefix}#{data.student_id}",
+      firstname: '',
+      lastname: data.name,
+      nickname: data.name,
+      professional_certification: 1,
+      certification: 1,
+      password: '12345678',
+      phone: data.phone,
+      mail: "#{prefix}#{data.student_id}@qq.com",
+      profile_completed: true
+    }
+    ActiveRecord::Base.transaction do
+      user = User.create!(attr)
+
+      extension_attr = {
+        school_id: school.id, location: school.province, location_city: school.city,
+        gender: 0, identity: data.identity.to_i, department_id: department&.id, student_id: data.student_id
+      }
+
+      extension_attr[:technical_title] =
+        case data.identity.to_i
+        when 0 then %w(教授 副教授 讲师 助教).include?(data.technical_title) ? data.technical_title : '讲师'
+        when 2 then %w(企业管理者 部门管理者 高级工程师 工程师 助理工程师).include?(data.technical_title) ? data.technical_title : '助理工程师'
+        else nil
+        end
+
+      user.create_user_extension!(extension_attr)
+    end
+  end
+
+  def find_user(data)
+    users = User.joins(:user_extension).where(user_extensions: { identity: data.identity, school_id: school.id })
+
+    if data.identity.to_i == 1
+      users = users.where(user_extensions: { student_id: data.student_id })
+    else
+      users = users.where(user_extensions: { technical_title: data.technical_title }).where('CONCAT(users.lastname,users.firstname) = ?', data.name)
+    end
+
+    users.first
+  end
 end
\ No newline at end of file