diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c2658d7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules/
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..2a70ecb
--- /dev/null
+++ b/index.js
@@ -0,0 +1,60 @@
+/*  ushio-env
+*
+*  By iotcat (https://iotcat.me)
+*  MIT Licensed
+* 
+*/
+module.exports = async (o_params) => {
+
+    /* params process */
+    var params = {
+        redis: {
+            host: "redis",
+            port: 6379
+        },
+        debug: {
+            format: (time, content) => {
+                return `Ushio-env: ${tool.time.format(time)} :: ${content}`;
+            },
+            output: console.log,
+
+        }
+    };    
+
+	Object.assign(params, o_params);
+
+    /* output obj */
+    var o = {};
+
+    /* tool func */
+    var tool = {
+        time: {
+            format: date => {   
+                let year=date.getFullYear();
+                let mon=date.getMonth()+1;
+                let da=date.getDate();
+                let h=date.getHours();
+                let m=date.getMinutes();
+                let s=date.getSeconds();
+                return year+'-'+mon+'-'+da+' '+h+':'+m+':'+s;
+            }
+        }
+    }
+
+
+    /* exec */
+
+    /* redis */
+    var redis = require('redis').createClient(params.redis.port, params.redis.host);
+    redis.on('error', err => {
+        params.debug.output(params.debug.format(new Date(), err));
+    });
+
+
+
+
+    return new Promise((resolve, reject) => {
+       o.redis = redis;
+
+    });
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..b949831
--- /dev/null
+++ b/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "ushio-env",
+  "version": "1.0.0",
+  "description": "Ushio env for node-js",
+  "main": "index.js",
+  "repository": "https://github.com/IoTcat/ushio-env.git",
+  "author": "iotcat <i@iotcat.me>",
+  "license": "MIT",
+  "dependencies": {
+    "redis": "^3.0.2"
+  }
+}
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..92ab23f
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,35 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+denque@^1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/denque/-/denque-1.4.1.tgz#6744ff7641c148c3f8a69c307e51235c1f4a37cf"
+  integrity sha512-OfzPuSZKGcgr96rf1oODnfjqBFmr1DVoc/TrItj3Ohe0Ah1C5WX5Baquw/9U9KovnQ88EqmJbD66rKYUQYN1tQ==
+
+redis-commands@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/redis-commands/-/redis-commands-1.5.0.tgz#80d2e20698fe688f227127ff9e5164a7dd17e785"
+  integrity sha512-6KxamqpZ468MeQC3bkWmCB1fp56XL64D4Kf0zJSwDZbVLLm7KFkoIcHrgRvQ+sk8dnhySs7+yBg94yIkAK7aJg==
+
+redis-errors@^1.0.0, redis-errors@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/redis-errors/-/redis-errors-1.2.0.tgz#eb62d2adb15e4eaf4610c04afe1529384250abad"
+  integrity sha1-62LSrbFeTq9GEMBK/hUpOEJQq60=
+
+redis-parser@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/redis-parser/-/redis-parser-3.0.0.tgz#b66d828cdcafe6b4b8a428a7def4c6bcac31c8b4"
+  integrity sha1-tm2CjNyv5rS4pCin3vTGvKwxyLQ=
+  dependencies:
+    redis-errors "^1.0.0"
+
+redis@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/redis/-/redis-3.0.2.tgz#bd47067b8a4a3e6a2e556e57f71cc82c7360150a"
+  integrity sha512-PNhLCrjU6vKVuMOyFu7oSP296mwBkcE6lrAjruBYG5LgdSqtRBoVQIylrMyVZD/lkF24RSNNatzvYag6HRBHjQ==
+  dependencies:
+    denque "^1.4.1"
+    redis-commands "^1.5.0"
+    redis-errors "^1.2.0"
+    redis-parser "^3.0.0"