diff --git a/app/assets/javascripts/cancer_predict.js b/app/assets/javascripts/cancer_predict.js
index 059dc36..f73f118 100644
--- a/app/assets/javascripts/cancer_predict.js
+++ b/app/assets/javascripts/cancer_predict.js
@@ -161,6 +161,7 @@ $(document).ready(function(){
 		$('.cancer-btn-group input').attr('value',0);
 		$('.num_only').val('');
 		$('#cancer_table .cancer_form_field').removeClass('cancertable_empty');
+		$('#cancer_predict_result_block').css('display','none');
 	});
 	$('#cancer_table_submit').click(function(){
 		var flag;
@@ -264,7 +265,7 @@ $(document).ready(function(){
 							var year = $('#current_year').attr('value');
 							var lpv_current = lpv_real[lpv_real.length-1]+lpv_dict[arguments[0]];
 							lpv_real.push(lpv_current);
-							var servive_ratio = (Math.exp(lpv_calc[year])**lpv_current)*100;
+							var servive_ratio = Math.round((Math.exp(lpv_calc[year])**Math.exp(lpv_current))*100);
 							var benefit = servive_ratio - servive_ratio_arr[servive_ratio_arr.length - 1];
 							servive_ratio_arr.push(servive_ratio);
 							$('tr.'+arguments[0]+' td.Overall_Survival').html(servive_ratio+'%');
@@ -300,8 +301,8 @@ $(document).ready(function(){
 							var year = $('#current_year').attr('value');
 							if(index < this.length - 1){
 								for(var i = index + 1;i < this.length; i++){
-									lpv_real[i] -= lpv_dict[arguments[0]]
-									var servive_ratio = (Math.exp(lpv_calc[year])**lpv_real[i])*100;
+									lpv_real[i] -= lpv_dict[arguments[0]];
+									var servive_ratio = Math.round((Math.exp(lpv_calc[year])**Math.exp(lpv_real[i]))*100);
 									var benefit = servive_ratio - servive_ratio_arr[servive_ratio_arr.length - 1];
 									$('tr.'+active_treatment[i]+' td.Overall_Survival').html(servive_ratio+'%');
 									$('.'+active_treatment[i]+'.Overall_Survival').html(servive_ratio);
@@ -346,11 +347,15 @@ $(document).ready(function(){
 						$('#'+treatmeny_method[i]+' .cancer_table_btn').eq(1).click(function(){
 							if(!active_treatment.includes($(this).parent().attr('id'))){
 								active_treatment.push($(this).parent().attr('id'))
+								console.log(active_treatment);
+								console.log(servive_ratio_arr);
 							};
 						});
 						$('#'+treatmeny_method[i]+' .cancer_table_btn').eq(0).click(function(){
 							if(active_treatment.includes($(this).parent().attr('id'))){
 								active_treatment = active_treatment.remove_item_from_array($(this).parent().attr('id'));
+								console.log(active_treatment);
+								console.log(servive_ratio_arr);
 							};
 						});
 					};
@@ -362,7 +367,7 @@ $(document).ready(function(){
 						var year = $(this).attr('value');
 						servive_ratio_arr = [];
 						for(var i = 0;i<active_treatment.length;i++){
-							var servive_ratio = (Math.exp(lpv_calc[year])**lpv_real[i])*100;
+							var servive_ratio = Math.round((Math.exp(lpv_calc[year])**Math.exp(lpv_real[i]))*100);
 							var benefit = servive_ratio - servive_ratio_arr[servive_ratio_arr.length-1];
 							servive_ratio_arr.push(servive_ratio);
 							$('tr.'+active_treatment[i]+' td.Overall_Survival').html(servive_ratio+'%');
diff --git a/app/controllers/cancerpredicts_controller.rb b/app/controllers/cancerpredicts_controller.rb
index e3cca2b..a908693 100644
--- a/app/controllers/cancerpredicts_controller.rb
+++ b/app/controllers/cancerpredicts_controller.rb
@@ -12,10 +12,10 @@ class CancerpredictsController < ApplicationController
 	create_first_field
 	locale = params['data']['locale'].to_s rescue 'zh_tw'
 	locale = 'zh_tw' if locale == 'zh_cn'
-	result = {:result=>"123"}
+	result = {}
 	result['age1'] = -(params['data']['age'].to_f/100)**(-0.5)
-	result['age2'] = -(params['data']['age'].to_f/100)**(-0.5)*Math.log(params['data']['age'].to_f/100,10)
-	result['size1'] = -Math.log(params['data']['size'].to_f/10,10)
+	result['age2'] = -((params['data']['age'].to_f/100)**(-0.5))*Math.log(params['data']['age'].to_f/100,Math.exp(1))
+	result['size1'] = -Math.log(params['data']['size'].to_f/10,Math.exp(1))
 	result['nposit'] = -((params['data']['ratio'].to_f+0.1)/0.1)**0.5
 	if params['data']['grade'].to_i == 2
 		result['grade_2'] = 1  
@@ -57,7 +57,7 @@ class CancerpredictsController < ApplicationController
 	else
 		result['lvi_yes'] = 0
 	end
-	result['lpv'] = ((result['age1']-0.7276655)*(-10.87)+(result['age2']-0.4540707)*8.968+(result['size1']-0.643632)*0.7678+(result['nposit']-1.346932)*0.5339+
+	result['lpv'] = ((result['age1']-0.7276655)*(10.87)+(result['age2']+0.4540707)*8.968+(result['size1']-0.643632)*0.7678+(result['nposit']-1.346932)*0.5339+
 					result['grade_2']*0.4795+result['grade_3']*0.818+result['subtype_HER2']*0.1806+result['subtype_triple']*0.6457+result['pstage_2']*0.5311+
 					result['pstage_3']*1.134+result['pstage_4']*2.172+result['lvi_yes']*0.3321-0.04 rescue 'error')
 	@years = ['1','3','5']
@@ -79,14 +79,14 @@ class CancerpredictsController < ApplicationController
 	@therapy_choices.each_with_index do |choice,i|
 		result['table'] += '<tr class="'+@therapy_names[i].to_s+'">'
 		@table_head.each_with_index do |head,index|
-			result['table'] += ('<td class="cancer_td '+ @head_name[index]+'">' + ((index == 0) ? choice : '-') + '</td>')
+			result['table'] += ('<td class="cancer_td '+ @head_name[index]+'">' + ((index == 0) ? (((i==0)? '' : '+') + choice) : '-') + '</td>')
 		end
 		result['table'] += '</tr>'
 	end
 	result['texts'] = '<a>此研究分析來自已接受根除性手術後之婦女所得之結果，根據您所輸入的資訊以及治療方式，</a>'+'<div style="clear:both;"></div>'+'<a>在術後第</a>'
 	@years.each{|year| result['texts'] += ('<button class="cancer_years cancer_table_btn  btn btn-default btn-sm">'+year+'</button>')}
 	result['texts'] += '<a>年</a>，'
-	@servive_ratio = (Math.exp(-0.001476145)**(result['lpv']))*100
+	@servive_ratio = ((Math.exp(-0.001476145)**(Math.exp(result['lpv'])))*100).round
 	result['texts'] += ('<p class="show"><a>100 位只接受根除性手術的婦女中，有 '+ '<a class="'+@therapy_names[0]+' Overall_Survival">'+@servive_ratio.round.to_s+'</a>'+'<a> 位婦女，術後 </a>'+'<a class="surgery_year">'+@years[0].to_s+'</a>'+'<a>年仍為存活</a></p>')
 	result['texts'] += '<a class="addition">'+'，此外</a><div class="extra-text" style="display:none;"><div class="texts_show" style="clear:both;"></div>'
 	result['texts'] += '</div>'