diff --git a/app/models/user_score.rb b/app/models/user_score.rb
index 8df64c00c..810720331 100644
--- a/app/models/user_score.rb
+++ b/app/models/user_score.rb
@@ -47,7 +47,6 @@ class UserScore < ActiveRecord::Base
   #
   # Returns boolean. 返回积分保存结果
   def self.joint(operate, current_user, target_user, options={})
-    user_obj = (user.kind_of?User) ? user : User.find_by_id(user)
     case operate 
     when :post_message            # current_user 发帖了
     when :post_issue              # current_user 对 target_user 的缺陷留言了
@@ -118,7 +117,7 @@ class UserScore < ActiveRecord::Base
     when :update_issue      # current_user
     when :post_issue        # current_user
     else
-      Rails.logger.error "[UserScore#skill] ===> #{operate} is not define."
+      Rails.logger.error "[UserScore#project] ===> #{operate} is not define."
       return false
     end
   end
@@ -126,8 +125,9 @@ class UserScore < ActiveRecord::Base
   private
 
   def get_users(current_user, target_user)
-    cUser = nil
-    tUser = nil
+    cUser =  (current_user.kind_of?User) ? user : User.find_by_id(user)
+    tUser =  (target_user.kind_of?User) ? user : User.find_by_id(user)
+    
     @current_user, @target_user = cUser, tUser
   end
 end