diff --git a/console/authentication/ticket_pair.js b/console/authentication/ticket_pair.js
deleted file mode 100644
index cb71007..0000000
--- a/console/authentication/ticket_pair.js
+++ /dev/null
@@ -1,50 +0,0 @@
-/**
- * Created by strawmanbobi
- * 2016-12-24 (Xmax eve)
- */
-
-require('../mini_poem/configuration/constants');
-let Cache = require('../mini_poem/cache/redis.js');
-let logger = require('../mini_poem/logging/logger4js').helper;
-let Enums = require('../constants/enums');
-let ErrorCode = require('../constants/error_code');
-
-let enums = new Enums();
-let errorCode = new ErrorCode();
-
-let TicketPair = function(_cacheHost, _cachePort, _cacheAdmin, _cachePassword) {
-    this.cache = new Cache(_cacheHost, _cachePort, _cacheAdmin, _cachePassword);
-};
-
-TicketPair.prototype.setTicketPair = function(id, ticket, ttl, callback) {
-    this.cache.set(id, ticket, ttl, function(setTicketPairErr, data) {
-        let error = errorCode.SUCCESS;
-        if(setTicketPairErr !== errorCode.SUCCESS.code) {
-            error = errorCode.FAILED;
-        }
-        callback(error, data);
-    });
-};
-
-
-TicketPair.prototype.getTicketPair = function(id, callback) {
-    let error = errorCode.SUCCESS;
-    this.cache.get(id, false, function(getTicketPairErr, result) {
-        if(errorCode.SUCCESS.code !== getTicketPairErr) {
-            error = errorCode.FAILED;
-        }
-        callback(error, result);
-    });
-};
-
-TicketPair.prototype.deleteTicketPair = function(id, callback) {
-    let error = errorCode.SUCCESS;
-    this.cache.delete(id, function(deleteTicketPairErr) {
-        if(deleteTicketPairErr !== errorCode.SUCCESS.code) {
-            error = errorCode.FAILED;
-        }
-        callback(error);
-    });
-};
-
-module.exports = TicketPair;
\ No newline at end of file
diff --git a/console/mini_poem/cache/redis.js b/console/mini_poem/cache/redis.js
index 8f00b2f..eded494 100644
--- a/console/mini_poem/cache/redis.js
+++ b/console/mini_poem/cache/redis.js
@@ -29,7 +29,7 @@ var Cache = function(_host, _port, _user, _password) {
 Cache.prototype = Object.create(BaseCache.prototype);
 
 Cache.prototype.set = function(key, value, ttl, callback) {
-    this.redisClient.set(key, value, function(err) {
+    this.redisClient.set(key, value, 'EX', ttl, function(err) {
         if(err) {
             logger.error("Redis set value failed with key " + key);
             callback(errorCode.FAILED);
diff --git a/server/.idea/modules.xml b/server/.idea/modules.xml
deleted file mode 100644
index 6ed89c3..0000000
--- a/server/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/private-server.iml" filepath="$PROJECT_DIR$/private-server.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/server/src/main/java/net/irext/server/service/cache/impl/DecodeSessionRepositoryImpl.java b/server/src/main/java/net/irext/server/service/cache/impl/DecodeSessionRepositoryImpl.java
index 942b5ca..aeccb7a 100644
--- a/server/src/main/java/net/irext/server/service/cache/impl/DecodeSessionRepositoryImpl.java
+++ b/server/src/main/java/net/irext/server/service/cache/impl/DecodeSessionRepositoryImpl.java
@@ -8,6 +8,7 @@ import org.springframework.stereotype.Repository;
 
 import javax.annotation.PostConstruct;
 import java.util.Map;
+import java.util.concurrent.TimeUnit;
 
 /**
  * Filename:       IDecodeSessionRepositoryImpl.java
@@ -38,6 +39,7 @@ public class DecodeSessionRepositoryImpl implements IDecodeSessionRepository {
 
     public void add(final String decodeSessionId, Integer binaryId) {
         hashOperations.put(KEY, decodeSessionId, binaryId);
+        redisTemplate.expire(decodeSessionId, 7 , TimeUnit.DAYS);
     }
 
     public void delete(String decodeSessionId) {
diff --git a/server/src/main/java/net/irext/server/service/cache/impl/IRBinaryRepositoryImpl.java b/server/src/main/java/net/irext/server/service/cache/impl/IRBinaryRepositoryImpl.java
index f83de69..bc587b0 100644
--- a/server/src/main/java/net/irext/server/service/cache/impl/IRBinaryRepositoryImpl.java
+++ b/server/src/main/java/net/irext/server/service/cache/impl/IRBinaryRepositoryImpl.java
@@ -10,6 +10,7 @@ import org.springframework.stereotype.Repository;
 import javax.annotation.PostConstruct;
 import javax.annotation.Resource;
 import java.util.Map;
+import java.util.concurrent.TimeUnit;
 
 /**
  * Filename:       IIRBinaryRepositoryImpl.java
@@ -41,6 +42,7 @@ public class IRBinaryRepositoryImpl implements IIRBinaryRepository {
 
     public void add(Integer id, RemoteIndex remoteIndex) {
         hashOperations.put(KEY, id, remoteIndex);
+        redisTemplate.expire(Integer.toString(id), 7 , TimeUnit.DAYS);
     }
 
     public void delete(final Integer id) {
diff --git a/server/src/main/java/net/irext/server/service/cache/impl/UserAppRepositoryImpl.java b/server/src/main/java/net/irext/server/service/cache/impl/UserAppRepositoryImpl.java
index b94efbe..e0bb2e4 100644
--- a/server/src/main/java/net/irext/server/service/cache/impl/UserAppRepositoryImpl.java
+++ b/server/src/main/java/net/irext/server/service/cache/impl/UserAppRepositoryImpl.java
@@ -8,6 +8,7 @@ import org.springframework.stereotype.Repository;
 
 import javax.annotation.PostConstruct;
 import javax.annotation.Resource;
+import java.util.concurrent.TimeUnit;
 
 /**
  * Filename:       UserAppRepositoryImpl.java
@@ -39,6 +40,7 @@ public class UserAppRepositoryImpl implements IUserAppRepository {
 
     public void add(Integer id, String token) {
         hashOperations.put(KEY, token, id);
+        redisTemplate.expire(token, 7 , TimeUnit.DAYS);
     }
 
     public void delete(final String token) {