diff --git a/app/controllers/messages_controller.rb b/app/controllers/messages_controller.rb
index 90e0d937c..e974936eb 100644
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -77,6 +77,9 @@ class MessagesController < ApplicationController
 
   # Reply to a topic
   def reply
+    if params[:reply][:content] == ""
+      (redirect_to board_message_path(@board, @topic, :r => @reply), :notice => l(:label_reply_empty);return)
+    end
     @reply = Message.new
     @reply.author = User.current
     @reply.board = @board
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 6c07f5723..1e975decc 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -1646,6 +1646,7 @@ en:
   label_memo_locked: 'Topic is locked'
   label_downloads_list: enter file list.
   label_sumbit_empty: search bar need container.
+  label_reply_empty: Reply Cann't Empty.
   label_setup_time: Start date    
   label_endup_time: Over date 
   label_class_period: Class hour
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index 52624dcc9..e75cf7b11 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -1933,6 +1933,7 @@ zh:
   label_contest_reason: 参赛宣言：
   label_notification: 通知
   label_sumbit_empty: 搜索内容不能为空
+  label_reply_empty: 回复内容不能为空
   no_use: 没有帮助
   cancel_no_use: 撤销没有帮助
   cancel_apply: 取消申请