diff --git a/app/forms/projects/create_form.rb b/app/forms/projects/create_form.rb
index 9c7424094..6b08d1f8f 100644
--- a/app/forms/projects/create_form.rb
+++ b/app/forms/projects/create_form.rb
@@ -4,7 +4,7 @@ class Projects::CreateForm < BaseForm
                 :blockchain, :blockchain_token_all, :blockchain_init_token
   
   validates :user_id, :name, :repository_name, presence: true
-  validates :repository_name, format: { with: CustomRegexp::REPOSITORY_NAME_REGEX, multiline: true, message: "项目标识只能包含数字,字母,下划线(_),中划线(-),英文句号(.),必须以数字和字母开头，不能以下划线/中划线/英文句号开头和结尾" }
+  validates :repository_name, format: { with: CustomRegexp::REPOSITORY_NAME_REGEX, multiline: true, message: "项目标识长度为2~100， 只能包含数字,字母,下划线(_),中划线(-),英文句号(.),必须以数字和字母开头，不能以下划线/中划线/英文句号开头和结尾" }
 
   validates :name, length: { maximum: 50 }
   validates :repository_name, length: { maximum: 100 }
diff --git a/app/forms/projects/migrate_form.rb b/app/forms/projects/migrate_form.rb
index 1cb9b462e..4d81307ca 100644
--- a/app/forms/projects/migrate_form.rb
+++ b/app/forms/projects/migrate_form.rb
@@ -3,7 +3,7 @@ class Projects::MigrateForm < BaseForm
                 :project_language_id, :clone_addr, :private, :is_mirror, :auth_username, :auth_password, :owner
 
   validates :user_id, :name, :repository_name, :clone_addr, presence: true
-  validates :repository_name, format: { with: CustomRegexp::REPOSITORY_NAME_REGEX, multiline: true, message: "项目标识只能包含数字,字母,下划线(_),中划线(-),英文句号(.),必须以数字和字母开头，不能以下划线/中划线/英文句号开头和结尾" }
+  validates :repository_name, format: { with: CustomRegexp::REPOSITORY_NAME_REGEX, multiline: true, message: "项目标识长度为2~100， 只能包含数字,字母,下划线(_),中划线(-),英文句号(.),必须以数字和字母开头，不能以下划线/中划线/英文句号开头和结尾" }
   validates :clone_addr, format: { with: CustomRegexp::URL_REGEX, multiline: true, message: "地址格式不正确" }
   validates :name, length: { maximum: 50 }
   validates :repository_name, length: { maximum: 100 }
diff --git a/app/forms/projects/update_form.rb b/app/forms/projects/update_form.rb
index 1a04b7fe4..1bd7ad68b 100644
--- a/app/forms/projects/update_form.rb
+++ b/app/forms/projects/update_form.rb
@@ -3,7 +3,7 @@ class Projects::UpdateForm < BaseForm
   validates :name, presence: true
   validates :name, length: { maximum: 50 }
   validates :description, length: { maximum: 200 }
-  validates :identifier, format: { with: CustomRegexp::REPOSITORY_NAME_REGEX, multiline: true, message: '项目标识只能包含数字,字母,下划线(_),中划线(-),英文句号(.),必须以数字和字母开头，不能以下划线/中划线/英文句号开头和结尾' }
+  validates :identifier, format: { with: CustomRegexp::REPOSITORY_NAME_REGEX, multiline: true, message: '项目标识长度为2~100， 只能包含数字,字母,下划线(_),中划线(-),英文句号(.),必须以数字和字母开头，不能以下划线/中划线/英文句号开头和结尾' }
 
   validate do
     check_project_category(project_category_id)