diff --git a/config/initializers/session_extenstions.rb b/config/initializers/session_extenstions.rb
deleted file mode 100644
index 36a8ae8c7..000000000
--- a/config/initializers/session_extenstions.rb
+++ /dev/null
@@ -1,35 +0,0 @@
-#coding=utf-8
-
-module  SessionExtenstions
-
-  module EntryExtension
-    def compressed?
-      @compressed
-    end
-
-    def value
-      if @value
-        begin
-          Marshal.load(compressed? ? Zlib::Inflate.inflate(@value) : @value)
-        rescue TypeError
-          compressed? ? Zlib::Inflate.inflate(@value) : @value
-        end
-      end
-    end
-
-    def size
-      if @value.nil?
-        0
-      else
-        @value.bytesize
-      end
-    end
-  end
-
-
-end
-
-ActiveSupport::Cache::Entry.const_set("DEFAULT_COMPRESS_LIMIT", 1)
-ActiveSupport::Cache::Entry.send(:prepend, SessionExtenstions::EntryExtension)
-
-
diff --git a/public/react/src/modules/help/AboutUs.js b/public/react/src/modules/help/AboutUs.js
index 85e8366c0..06198418c 100644
--- a/public/react/src/modules/help/AboutUs.js
+++ b/public/react/src/modules/help/AboutUs.js
@@ -16,6 +16,7 @@ class AboutUs extends React.Component {
   }
 
   componentDidMount(){
+    window.document.title = "关于我们";
     this.getContent();
   }
 
diff --git a/public/react/src/modules/help/Agreement.js b/public/react/src/modules/help/Agreement.js
index c9a778360..4e483b719 100644
--- a/public/react/src/modules/help/Agreement.js
+++ b/public/react/src/modules/help/Agreement.js
@@ -16,6 +16,7 @@ class Agreement extends React.Component {
   }
 
   componentDidMount(){
+    window.document.title = "服务协议";
     this.getContent();
   }
 
diff --git a/public/react/src/modules/help/ContactUs.js b/public/react/src/modules/help/ContactUs.js
index 00cb7b880..04e3404fe 100644
--- a/public/react/src/modules/help/ContactUs.js
+++ b/public/react/src/modules/help/ContactUs.js
@@ -17,6 +17,7 @@ class ContactUs extends React.Component {
   }
 
   componentDidMount(){
+    window.document.title = "联系我们";
     this.getData();
   }
 
diff --git a/public/react/src/modules/help/Cooperatives.js b/public/react/src/modules/help/Cooperatives.js
index dbc0ffc4b..b64657488 100644
--- a/public/react/src/modules/help/Cooperatives.js
+++ b/public/react/src/modules/help/Cooperatives.js
@@ -21,6 +21,7 @@ class Cooperatives extends React.Component {
   }
 
   componentDidMount(){
+    window.document.title = "合作伙伴";
     this.getCooperatives();
   }
 
diff --git a/public/react/src/modules/help/Feedback.js b/public/react/src/modules/help/Feedback.js
index d8a94bea9..c7f13f809 100644
--- a/public/react/src/modules/help/Feedback.js
+++ b/public/react/src/modules/help/Feedback.js
@@ -13,6 +13,10 @@ class Feedback extends React.Component {
     super(props);
   }
 
+  componentDidMount() {
+    window.document.title = "意见反馈";
+  }
+
   componentDidUpdate(prevProps) {
     if (prevProps.current_user !== this.props.current_user) {
       if(!this.props.checkIfLogin()) {
diff --git a/public/react/src/modules/help/HelpCenter.js b/public/react/src/modules/help/HelpCenter.js
index 86cce49ce..077f4b90e 100644
--- a/public/react/src/modules/help/HelpCenter.js
+++ b/public/react/src/modules/help/HelpCenter.js
@@ -16,6 +16,7 @@ class HelpCenter extends React.Component {
   }
 
   componentDidMount(){
+    window.document.title = "帮助中心";
     this.getContent();
   }