diff --git a/app/controllers/subscribes_controller.rb b/app/controllers/subscribes_controller.rb
index d77cffc..3d9042e 100644
--- a/app/controllers/subscribes_controller.rb
+++ b/app/controllers/subscribes_controller.rb
@@ -1,6 +1,8 @@
 class SubscribesController < ApplicationController
+
   def index
   end
+
   def create
     subscribe = Subscribe.find_or_initialize_by(email: params[:email])
     subscribe.enable = true
@@ -13,10 +15,9 @@ class SubscribesController < ApplicationController
   end
 
   def cancel
-    if subscribe = Subscribe.where(email: params[:email]).first
-      subscribe.enable = false
-      subscribe.save
-    end
+    subscribe = Subscribe.find_or_initialize_by(email: params[:email])
+    subscribe.enable = false
+    subscribe.save
 
     flash[:notice] = "退订成功: #{params[:email]}"
     render :json => { success: true }
diff --git a/app/models/comment.rb b/app/models/comment.rb
index 1ef6522..4bcc817 100644
--- a/app/models/comment.rb
+++ b/app/models/comment.rb
@@ -13,10 +13,22 @@ class Comment
   validates :content, presence: true
   validates_presence_of :post_id
 
+  def reply_emails
+    Comment.where(post_id: self.post_id).where(:id.ne => self.id).collect(&:email).uniq
+  end
+
   after_create do
     if ENV['SENDCLOUD_USER'].present? && ENV['ADMIN_USER'].present? && ENV['ADMIN_USER'] =~ /@/
       Rails.logger.info 'comment created, comment worker start'
       NewCommentWorker.perform_async(self.name, self.content, self.post.title, ENV['ADMIN_USER'])
     end
+
+    if ENV['SENDCLOUD_USER'].present?
+      Rails.logger.info 'comment created, reply worker start'
+      reply_emails.each do |comment|
+        next if Subscribe.unsubscribe?(email)
+        NewReplyPostWorker.perform_async(self.name, self.post.title, self.content, self.post.id.to_s, email)
+      end
+    end
   end
 end
diff --git a/app/models/post.rb b/app/models/post.rb
index a3a9006..7ce03ad 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -24,7 +24,9 @@ class Post
 
   after_create do
     if ENV['SENDCLOUD_USER'].present?
-      NewPostWorker.perform_async(self.title, Subscribe.subscribe_list)
+      Subscribe.subscribe_list.each do |email|
+        NewPostWorker.perform_async(self.title, email)
+      end
     end
   end
 
diff --git a/app/models/subscribe.rb b/app/models/subscribe.rb
index 7ce6ade..b0ffaf5 100644
--- a/app/models/subscribe.rb
+++ b/app/models/subscribe.rb
@@ -6,6 +6,10 @@ class Subscribe
   validates :email, presence: true, uniqueness: true, format: { with: /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\z/i, message: '地址无效' }
 
   def self.subscribe_list
-    Subscribe.all.where(enable: true).map(&:email).join(";")
+    Subscribe.all.where(enable: true).map(&:email)
+  end
+
+  def self.unsubscribe?(email)
+    Subscribe.where(email: email, enable: false).first.present?
   end
 end
diff --git a/app/workers/new_comment_worker.rb b/app/workers/new_comment_worker.rb
index 43baddf..b245b65 100644
--- a/app/workers/new_comment_worker.rb
+++ b/app/workers/new_comment_worker.rb
@@ -27,9 +27,15 @@ class NewCommentWorker
 
 <p>评论人: #{name}</p>
 
-<p>评论内容: #{content}</p>
+<p>评论内容: #{content[0..15]}...</p>
 
 <p>被评论博客: #{title}</p>
+
+<p>&nbsp;</p>
+
+<p>---------- 退订地址请点击:</p>
+
+<p><a href="http://yafeilee.me/unsubscribe?id=5F46EF">点此退订</a></p>
         EOF
       }
     return response
diff --git a/app/workers/new_post_worker.rb b/app/workers/new_post_worker.rb
index b2148bd..014acc3 100644
--- a/app/workers/new_post_worker.rb
+++ b/app/workers/new_post_worker.rb
@@ -29,6 +29,10 @@ class NewPostWorker
 
 <p>具体内容请访问: http://yafeilee.me</p>
 
+<p>&nbsp;</p>
+
+<p>---------- 退订地址请点击:</p>
+
 <p><a href="http://yafeilee.me/unsubscribe?id=5F46EF">点此退订</a></p>
         EOF
       }
diff --git a/app/workers/new_reply_post_worker.rb b/app/workers/new_reply_post_worker.rb
new file mode 100644
index 0000000..b9eee93
--- /dev/null
+++ b/app/workers/new_reply_post_worker.rb
@@ -0,0 +1,51 @@
+class NewReplyPostWorker
+  include Sidekiq::Worker
+
+  sidekiq_retry_in do |count|
+    3
+  end
+
+  # name: 评论人名字
+  # title: 博客标题
+  # content: 回复内容
+  # id: 博客id
+  # to: 邮件递送人
+  def perform(name, title, content, id, to)
+    logger.info "[mail] new reply mail: title=#{title}, content=#{content}, to=#{to}"
+    response = send_mail(name, title, content, id, to)
+    logger.info "[mail] result is #{response}"
+  ensure
+    logger.info "[mail] new reply mail end: title=#{title}, content=#{content}, to=#{to}"
+  end
+
+  def send_mail(name, title, content, id, to)
+    response = RestClient.post "https://sendcloud.sohu.com/webapi/mail.send.xml",
+      {
+        :api_user => "postmaster@#{ENV['SENDCLOUD_USER']}.sendcloud.org",
+        :api_key => ENV['SENDCLOUD_PASSWORD'],
+        :from => ENV['SENDCLOUD_FROM'],
+        :fromname => ENV['SENDCLOUD_FROMNAME'],
+        :to => to,
+        :subject => "博客回复通知",
+        :html => <<-EOF
+<p>#{name}, 你好:</p>
+
+<p>你回复过的博客有新的回复:</p>
+
+<p>博客标题: #{title}</p>
+
+<p>回复内容: #{content[0..20]}...</p>
+
+<p>&nbsp;</p>
+
+<p>详细链接: <a href="http://yafeilee.me/blogs/#{id}">#{title}</a></p>
+
+<p>---------- 退订地址请点击:</p>
+
+<p><a href="http://yafeilee.me/unsubscribe?id=5F46EF">点此退订</a></p>
+        EOF
+      }
+    return response
+  end
+
+end
diff --git a/spec/models/subscribe_spec.rb b/spec/models/subscribe_spec.rb
index ef71aa8..0d1f6a4 100644
--- a/spec/models/subscribe_spec.rb
+++ b/spec/models/subscribe_spec.rb
@@ -18,6 +18,11 @@ describe Subscribe do
   it "subscribe_list" do
     subscribe = Subscribe.create(email: 'tester@test.com')
     subscribe = Subscribe.create(email: 'tester1@test.com')
-    expect(Subscribe.subscribe_list.split(';').size).to eq(2)
+    expect(Subscribe.subscribe_list.size).to eq(2)
+  end
+
+  it "unsubscribe?" do
+    subscribe = Subscribe.create(email: 'tester@test.com', enable: false)
+    expect(Subscribe.unsubscribe?('tester@test.com')).to be_true
   end
 end