diff --git a/app/models/memo.rb b/app/models/memo.rb
index 2ead1cbb6..ee9f4c8db 100644
--- a/app/models/memo.rb
+++ b/app/models/memo.rb
@@ -18,10 +18,28 @@ class Memo < ActiveRecord::Base
   #elasticsearch kaminari init
   Kaminari::Hooks.init
   Elasticsearch::Model::Response::Response.__send__ :include, Elasticsearch::Model::Response::Pagination::Kaminari
-  settings index: { number_of_shards: 5 } do
+  settings index: {
+      number_of_shards: 5 ,
+      analysis: {
+          char_filter: {
+              and_filter: {
+                type: "mapping",
+                mappings: [ "&=> and "]
+             }
+          },
+          analyzer: {
+              my_analyzer: {
+                  type: 'custom',
+                  tokenizer: 'standard',
+                  filter: ['classic'],
+                  char_filter: ['html_strip']
+              }
+          }
+      }
+  } do
     mappings dynamic: 'false' do
-      indexes :subject, analyzer: 'smartcn',index_options: 'offsets'
-      indexes :content, analyzer: 'smartcn',index_options: 'offsets'
+      indexes :subject, analyzer: 'smartcn',index_options: 'offsets'#, char_filter: 'html_strip'
+      indexes :content, analyzer:'my_analyzer',index_options: 'offsets',search_analyzer: 'smartcn'
       indexes :updated_at,index:"not_analyzed" ,type:'date'
     end
   end