diff --git a/app/forms/organizations/create_form.rb b/app/forms/organizations/create_form.rb
index 2163f477e..1f40350b3 100644
--- a/app/forms/organizations/create_form.rb
+++ b/app/forms/organizations/create_form.rb
@@ -1,12 +1,12 @@
 class Organizations::CreateForm < BaseForm
-  NAME_REGEX = /^(?!_)(?!.*?_$)[a-zA-Z0-9_-]+$/ #只含有数字、字母、下划线不能以下划线开头和结尾
+  NAME_REGEX = /^[a-zA-Z0-9]+([-_.][a-zA-Z0-9]+)*$/ #只含有数字、字母、下划线不能以下划线开头和结尾
   attr_accessor :name, :description, :website, :location, :repo_admin_change_team_access, :visibility, :max_repo_creation, :nickname, :original_name
 
   validates :name, :nickname, :visibility, presence: true
   validates :name, :nickname, length: { maximum: 100 }
   validates :location, length: { maximum: 50 }
   validates :description, length: { maximum: 200 }
-  validates :name, format: { with: NAME_REGEX, multiline: true, message: "只能含有数字、字母、下划线且不能以下划线开头和结尾" }
+  validates :name, format: { with: NAME_REGEX, multiline: true, message: "只能以数字或字母开头，仅支持横杠、下划线、点三种符号，不允许符号连续排列，长度4-50个字符" }
 
   validate do 
     check_name(name) unless name.blank? || name == original_name
diff --git a/app/models/organization.rb b/app/models/organization.rb
index cb829626e..237efbfe9 100644
--- a/app/models/organization.rb
+++ b/app/models/organization.rb
@@ -64,7 +64,7 @@
 
 class Organization < Owner
   alias_attribute :name, :login
-  NAME_REGEX = /^(?!_)(?!.*?_$)[a-zA-Z0-9_-]+$/ #只含有数字、字母、下划线不能以下划线开头和结尾
+  NAME_REGEX = /^[a-zA-Z0-9]+([-_.][a-zA-Z0-9]+)*$/ #只含有数字、字母、下划线不能以下划线开头和结尾
 
   default_scope { where(type: "Organization") }
 
@@ -79,7 +79,7 @@ class Organization < Owner
 
   validates :login, presence: true
   validates_uniqueness_of :login, :if => Proc.new { |user| user.login_changed? && user.login.present? }, case_sensitive: false
-  validates :login, format: { with: NAME_REGEX, multiline: true, message: "只能含有数字、字母、下划线且不能以下划线开头和结尾" }
+  validates :login, format: { with: NAME_REGEX, multiline: true, message: "只能以数字或字母开头，仅支持横杠、下划线、点三种符号，不允许符号连续排列，长度4-50个字符" }
 
   delegate :description, :website, :location, :repo_admin_change_team_access, :recommend,
            :visibility, :max_repo_creation, :num_projects, :num_users, :num_teams,