From 935b1f9f9ec95c21dabde8a1f8ed7ee29c68fa74 Mon Sep 17 00:00:00 2001
From: huang <huang.jingquan@163.com>
Date: Wed, 18 Nov 2015 14:50:03 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A4=A7=E5=86=99=E5=B0=8F=E5=86=99=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98?=
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---
 app/helpers/exercise_helper.rb | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/app/helpers/exercise_helper.rb b/app/helpers/exercise_helper.rb
index a0e76cbdb..2c92ffad7 100644
--- a/app/helpers/exercise_helper.rb
+++ b/app/helpers/exercise_helper.rb
@@ -3,12 +3,11 @@ module ExerciseHelper
 
   # 单选
   def sigle_selection_standard_answer(params)
-    size = params.ord - 64
-    # 输入的为小写字母答案
+    size = params.ord - 96
     if size > 0
       answer = params.ord - 96
     else
-      answer = params.ord
+      answer = params.ord - 64
     end
   end