Merge branch 'zhudan-master'

lib/stores/memory.js

@@ -18,8 +18,13 @@ var memoryStore = function(args) {
     self.set = function(key, value, options, cb) {
         if (typeof options === 'function') {
             cb = options;
+            options = {};
         }
-        lruCache.set(key, value);
+        options = options || {};
+
+        var maxAge = (options.ttl || options.ttl === 0) ? options.ttl * 1000 : lruOpts.maxAge;
+
+        lruCache.set(key, value, maxAge);
         if (cb) {
             process.nextTick(cb);
         }

package.json

@@ -21,7 +21,7 @@
   "license": "MIT",
   "dependencies": {
     "async": "^0.9.0",
-    "lru-cache": "^2.5.0"
+    "lru-cache": "2.6.5"
   },
   "devDependencies": {
     "coveralls": "^2.3.0",