diff --git a/app/helpers/user_score_helper.rb b/app/helpers/user_score_helper.rb
index 5b455a01b..42b81fbdd 100644
--- a/app/helpers/user_score_helper.rb
+++ b/app/helpers/user_score_helper.rb
@@ -62,8 +62,8 @@ module UserScoreHelper
     issues.each do |i|
       ptcs = PraiseTreadCache.where('object_id = ?', i.id)
       ptcs.each do |p|
-        praise_count = praise_count + p.praise_num
-        tread_count = tread_count + p.tread_num
+        praise_count = praise_count + p.praise_num.to_i
+        tread_count = tread_count + p.tread_num.to_i
       end
     end
     
@@ -71,8 +71,8 @@ module UserScoreHelper
     bids.each do |b|
       ptcs = PraiseTreadCache.where('object_id = ?', b.id)
       ptcs.each do |p|
-        praise_count = praise_count + p.praise_num
-        tread_count = tread_count + p.tread_num
+        praise_count = praise_count + p.praise_num.to_i
+        tread_count = tread_count + p.tread_num.to_i
       end
     end
     
@@ -80,8 +80,8 @@ module UserScoreHelper
     contests.each do |c|
       ptcs = PraiseTreadCache.where('object_id = ?', c.id)
       ptcs.each do |p|
-        praise_count = praise_count + p.praise_num
-        tread_count = tread_count + p.tread_num          
+        praise_count = praise_count + p.praise_num.to_i
+        tread_count = tread_count + p.tread_num.to_i  
       end     
     end
     
@@ -91,7 +91,7 @@ module UserScoreHelper
     skill_score = 0
     
     if level == 0
-      skill_score = praise_count - 0.5 * tread_count
+      skill_score = praise_count - 2.5 * tread_count
     end
     if level == 1
       skill_score = 2 * praise_count - 1.5 * tread_count
@@ -135,7 +135,7 @@ module UserScoreHelper
     issues.each do |i|
       ptcs = PraiseTreadCache.where('object_id = ?', i.id)
       ptcs.each do |p|
-        if p.praise_num > max_praise_num
+        if p.praise_num.to_i > max_praise_num.to_i
           max_praise_num = p.praise_num
         end
       end
@@ -145,7 +145,7 @@ module UserScoreHelper
     bids.each do |b|
       ptcs = PraiseTreadCache.where('object_id = ?', b.id)
       ptcs.each do |p|
-        if p.praise_num > max_praise_num
+        if p.praise_num.to_i > max_praise_num.to_i
           max_praise_num = p.praise_num
         end
       end
@@ -155,7 +155,7 @@ module UserScoreHelper
     contests.each do |c|
       ptcs = PraiseTreadCache.where('object_id = ?', c.id)
       ptcs.each do |p|
-        if p.praise_num > max_praise_num
+        if p.praise_num.to_i > max_praise_num.to_i
           max_praise_num = p.praise_num
         end
       end     
diff --git a/app/views/test/index.html.erb b/app/views/test/index.html.erb
index 0aa1a5d95..589412dda 100644
--- a/app/views/test/index.html.erb
+++ b/app/views/test/index.html.erb
@@ -17,8 +17,8 @@
 	<td><%= calculate_skill_count(user) %></td>
 	<td><%= calculate_file(user) %></td>
 	<td><%= calculate_issue(user) %></td>
-	<td><%= calculate_level(user) %></td>
--->
+	<td><%= calculate_level(user) %></td>-->
+
 	<td><%= user.changesets.count %></td>
 </tr>
 <% end %>