Fix host url.

app/controllers/universal_tables_controller.rb

@@ -144,6 +144,10 @@ class UniversalTablesController < ApplicationController
 		table = UTable.where(:category_id => params[:cat]).first rescue nil
 		page = Page.where(:page_id => params[:page_id]).first
 		if !table.nil?
+			host_url = Site.first.root_url
+			if host_url == "http://"
+				host_url = request.protocol + request.host_with_port
+			end
 			@rows = []
 			@tablecolumns = table.table_columns.where(:display_in_index => true).asc(:order)
 			entries = get_entries(params, table, page, false)
@@ -167,7 +171,7 @@ class UniversalTablesController < ApplicationController
 							text = format_date(ce.period_from, column.date_format) + " ~ " + format_date(ce.period_to, column.date_format)
 							text = "" if text.starts_with?(" ~")
 						when "image"
-							text = "http://#{request.host_with_port}" + ce.image.thumb.url
+							text = host_url + ce.image.thumb.url
 						end
 						cols << {"text" => text}
 					else

lib/tasks/universal_table_tasks.rake

@@ -8,8 +8,11 @@ namespace :universal_table_tasks do
     I18n.locale = :zh_tw
     table = UTable.find(id)
     ac = ActionController::Base.new()
-    url = "http://#{args.url}"
-    xlsx = ac.render_to_string handlers: [:axlsx], formats: [:xlsx], template: "utable_export/export", locals: {table: table, site_in_use_locales: Site.first.in_use_locales, url: url}
+    host_url = Site.first.root_url
+    if host_url == "http://"
+      host_url = "http://#{args.url}"
+    end
+    xlsx = ac.render_to_string handlers: [:axlsx], formats: [:xlsx], template: "utable_export/export", locals: {table: table, site_in_use_locales: Site.first.in_use_locales, url: host_url}
     dirname = "public/uploads/utable_export/#{id}"
     FileUtils.mkdir_p(dirname) unless File.exist?(dirname)
     f = "#{dirname}/#{table.title.gsub(/[ "'*@#$%^&()+=;:.,?>|\\\/<~_!：，、。！？；「」〈〉【】／]/,'')}.xlsx"