diff --git a/handler.js b/handler.js
index 6c5f755..8838cb2 100644
--- a/handler.js
+++ b/handler.js
@@ -4,15 +4,15 @@ import RedisCache from './helper/RedisCache'
 
 module.exports.hello = async (event, context, callback) => {
   context.callbackWaitsForEmptyEventLoop = false
-
-  const CACHE_KEY = 'CACHE_KEY'
+  console.log('event event.pathParameters', event.pathParameters)
+  const CACHE_KEY = event.pathParameters.proxy
   let res = {}
   let checkCache = await RedisCache.get(CACHE_KEY)
   if (checkCache) {
     res = checkCache
   } else {
-    await RedisCache.set(CACHE_KEY, {'message': 'Hello World!'})
-    res = {'message': 'Set cache success!'}
+    await RedisCache.set(CACHE_KEY, {'message': 'Cache response for ' + CACHE_KEY})
+    res = {'message': 'Set cache success for ' + CACHE_KEY + '!'}
   }
   const response = {
     statusCode: 200,
diff --git a/serverless.yml b/serverless.yml
index 6295628..bfdb0df 100644
--- a/serverless.yml
+++ b/serverless.yml
@@ -2,7 +2,7 @@ service: serverless-elasticache-vpc-nat
 
 provider:
   name: aws
-  runtime: nodejs6.10
+  runtime: nodejs8.10
   region: us-east-2
   stage: development
   profile: default
@@ -149,7 +149,7 @@ plugins:
   - serverless-offline
 custom:
   api:
-    apiPath: "{proxy+}"
+    apiPath: "{proxy}"
     apiMethod: "any"
   config:
     CACHE_INSTANCE_SIZE: cache.t2.micro