修复: 项目邀请链接生成多次返回提示

app/services/projects/link_join_service.rb

@@ -29,6 +29,16 @@ class Projects::LinkJoinService < ApplicationService
     raise Error, '邀请链接不存在!' unless invite_link.present?
     raise Error, '邀请链接已失效!' unless invite_user_in_project
     raise Error, '您已是仓库成员' if project.member?(user.id)
+    raise Error, '您的申请管理员正在审核中，请勿重复申请！' if user.applied_projects.exists?(applied_project_params)
+  end
+
+  def applied_project_params 
+    {
+      status: 'common',
+      project: project,
+      role: role_value,
+      project_invite_link_id: invite_link&.id
+    }
   end
 
   def create_applied_project!