fix: not found user return 404

app/controllers/owners_controller.rb

@@ -11,6 +11,8 @@ class OwnersController < ApplicationController
   end
 
   def show 
+    return render_not_found unless @user.present?
+
     @owner = Owner.find_by(login: params[:id]) || Owner.find_by(id: params[:id])
     # return render_not_found unless @owner.present?
     # 组织