diff --git a/vendor/built_in_modules/survey/app/controllers/panel/survey/back_end/surveys_controller.rb b/vendor/built_in_modules/survey/app/controllers/panel/survey/back_end/surveys_controller.rb
index 1e3dfafd..ba4c2a76 100644
--- a/vendor/built_in_modules/survey/app/controllers/panel/survey/back_end/surveys_controller.rb
+++ b/vendor/built_in_modules/survey/app/controllers/panel/survey/back_end/surveys_controller.rb
@@ -89,53 +89,66 @@ class Panel::Survey::BackEnd::SurveysController < OrbitBackendController
     @survey = ::Survey.find(params[:id])
     @chart_data, @survey_questions, @survey_answers = @survey.generate_chart_data
 
+    csv = CSV.generate do |csv|
+      row = []
+      @survey_questions.each do |question|
+        row << question.title
+        row << ' '
+      end
+      csv << row
+      csv_stats = []
+      @survey_questions.each do |question|
+        csv_options = []
+        csv_counts = []
+        case question.type
+        when ::SurveyQuestion::Radio, ::SurveyQuestion::Select, ::SurveyQuestion::Check
+          question.survey_question_options.map do |option|
+            csv_options << option.name
+            csv_counts << "#{(@chart_data[question.id.to_s][option.name] || 0 rescue 0)}"
+          end
+        when ::SurveyQuestion::Radiogroup
+          question.survey_question_options.map do |option|
+            question.survey_question_radiogroups.map do |group|
+              csv_options << "#{option.name} - #{group.name}"
+              csv_counts << "#{(@chart_data[question.id.to_s][option.name][group.name] || 0 rescue 0)}"
+            end
+          end.flatten
+        else
+          csv_options << " "
+          csv_counts << " "
+        end
+        csv_stats << csv_options
+        csv_stats << csv_counts
+      end
+      max_length = csv_stats.map(&:length).max
+      csv_stats.map do |l|
+        while l.length < max_length
+          l.push ' '
+        end
+        l
+      end.transpose.each do |l|
+        csv << l
+      end
+      @survey_answers.each do |answer|
+        row = []
+        @survey_questions.each do |question|
+          if question.type == ::SurveyQuestion::Radiogroup
+            options = Hash[question.survey_question_options.collect{|o| [ o.id.to_s, o.name ] }]
+            row << Hash[answer[question.id.to_s].map {|o, g| [options[o], g]}]
+          else
+            row << answer[question.id.to_s]
+          end
+          row << ' '
+        end
+        csv << row
+      end
+
+    end
+
     respond_to do |format|
       format.csv do
-
-        csv = CSV.generate do |csv|
-          csv << @survey_questions.map(&:title)
-          csv_stats = []
-          csv_stats = @survey_questions.map do |question|
-            case question.type
-            when ::SurveyQuestion::Radio, ::SurveyQuestion::Select, ::SurveyQuestion::Check
-              question.survey_question_options.map do |option|
-                "#{option.name} : #{(@chart_data[question.id.to_s][option.name] || 0 rescue 0)}"
-              end
-            when ::SurveyQuestion::Radiogroup
-              question.survey_question_options.map do |option|
-                question.survey_question_radiogroups.map do |group|
-                  "#{option.name} - #{group.name} : #{(@chart_data[question.id.to_s][option.name][group.name] || 0 rescue 0)}"
-                end
-              end.flatten
-            else
-              [' ']
-            end
-          end
-          max_length = csv_stats.map(&:length).max
-          csv_stats.map do |l|
-            while l.length < max_length
-              l.push ' '
-            end
-            l
-          end.transpose.each do |l|
-            csv << l
-          end
-          @survey_answers.each do |answer|
-            row = []
-            @survey_questions.each do |question|
-              if question.type == ::SurveyQuestion::Radiogroup
-                options = Hash[question.survey_question_options.collect{|o| [ o.id.to_s, o.name ] }]
-                row << Hash[answer[question.id.to_s].map {|o, g| [options[o], g]}]
-              else
-                row << answer[question.id.to_s]
-              end
-            end
-            csv << row
-          end
-
-        end
-
-        render :text => csv
+        response.headers["Content-Type"] = "text/csv; charset=big5"
+        render :text => csv.encode('Big5')
       end
     end
   end
@@ -214,4 +227,4 @@ class Panel::Survey::BackEnd::SurveysController < OrbitBackendController
     end
   end
   
-end
\ No newline at end of file
+end