fix the problem that when upload failed if will lead to not upload

success furthor more and let show description tag can also work for image

app/controllers/admin/galleries_controller.rb

@@ -473,33 +473,34 @@ class Admin::GalleriesController < OrbitAdminController
 
   def upload_process
     if AlbumUnprocess.first.upload_success
-        album_unprocess = AlbumUnprocess.all
-        count = album_unprocess.count
-        Thread.new do
-            begin
-            album_unprocess.each_with_index do |un_image,i|
-              album = AlbumImage.all.select{|value| value.id.to_s == un_image.image_id.to_s}[0]
-              album.file = un_image.save_var
-              album.save!
-              file = un_image.save_var.tempfile
-              file.close
-              File.delete file.path
-              un_image.delete
-              variable = AlbumVariable.first
+      album_unprocess = Array(AlbumUnprocess.all)
+      count = album_unprocess.count
+      Thread.new do
+        album_unprocess.each_with_index do |un_image,i|
+          begin
+            album = AlbumImage.all.select{|value| value.id.to_s == un_image.image_id.to_s}[0]
+            album.file = un_image.save_var
+            album.save!
+            file = un_image.save_var.tempfile
+            file.close
+            File.delete file.path
+            un_image.delete
+            variable = AlbumVariable.first
 	          variable.progress_filename = album[:file]
 	          variable.progress_percent = ((i+1)*100.0/count).floor.to_s + '%'
 	          variable.save!
-            end
-            rescue => e
-                puts ['err',e.inspect]
-            end
-            variable = AlbumVariable.first
-            variable.finish = true
-            variable.save!
+          rescue => e
+            puts ['err',un_image.inspect,e.inspect]
+            un_image.destroy
+          end
         end
-    album_temp = AlbumUnprocess.first
-    album_temp.upload_success = false
-    album_temp.save!
+        variable = AlbumVariable.first
+        variable.finish = true
+        variable.save!
+      end
+      album_temp = AlbumUnprocess.first
+      album_temp.upload_success = false
+      album_temp.save!
     end
   end
   def start_upload_process

app/controllers/galleries_controller.rb

@@ -63,7 +63,7 @@ class GalleriesController < ApplicationController
     images = album.album_images.asc(:order).collect do |a|
       alt_text = (a.description.nil? || a.description == "" ? "gallery image" : a.description)
       {
-        "image-description" => a.description,
+        "image-description" => (flag ? a.description : ''),
         "alt_title" => alt_text,
         "link_to_show" =>  "/xhr/galleries/theater/" + a.id.to_s,
         "thumb-src" => a.file.thumb.url