diff --git a/app/controllers/admins/projects_controller.rb b/app/controllers/admins/projects_controller.rb
index f1f797043..dc3f6030a 100644
--- a/app/controllers/admins/projects_controller.rb
+++ b/app/controllers/admins/projects_controller.rb
@@ -5,7 +5,7 @@ class Admins::ProjectsController < Admins::BaseController
     sort_by = Project.column_names.include?(params[:sort_by]) ? params[:sort_by] : 'created_on'
     sort_direction = %w(desc asc).include?(params[:sort_direction]) ? params[:sort_direction] : 'desc'
     search = params[:search].to_s.strip
-    projects = Project.where("name like ?", "%#{search}%").order("#{sort_by} #{sort_direction}")
+    projects = Project.where("name like ? OR identifier LIKE ?", "%#{search}%", "%#{search}%").order("#{sort_by} #{sort_direction}")
     @projects = paginate projects.includes(:owner, :members, :issues, :versions, :attachments, :project_score)
   end
 
diff --git a/app/views/admins/projects/index.html.erb b/app/views/admins/projects/index.html.erb
index af93598c9..35d931b02 100644
--- a/app/views/admins/projects/index.html.erb
+++ b/app/views/admins/projects/index.html.erb
@@ -4,7 +4,7 @@
 
 <div class="box search-form-container project-list-form">
   <%= form_tag(admins_projects_path, method: :get, class: 'form-inline search-form flex-1', remote: true) do %>
-    <%= text_field_tag(:search, params[:search], class: 'form-control col-12 col-md-2 mr-3', placeholder: '项目名称检索') %>
+    <%= text_field_tag(:search, params[:search], class: 'form-control col-12 col-md-2 mr-3', placeholder: '项目名称/标识检索') %>
     <%= submit_tag('搜索', class: 'btn btn-primary ml-3', 'data-disable-with': '搜索中...') %>
     <input type="reset" class="btn btn-secondary clear-btn" value="清空"/>
   <% end %>