diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..f36eb82
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,16 @@
+dist: trusty
+sudo: true
+
+language: node_js
+node_js:
+  - "7"
+  - "8"
+  - "9"
+
+script:
+  - npm test
+
+notifications:
+  email:
+    on_success: never
+    on_failure: never
\ No newline at end of file
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..f923223
--- /dev/null
+++ b/index.js
@@ -0,0 +1,90 @@
+'use strict';
+
+module.exports = class formValidation {
+
+    constructor() {
+        this.response = {
+            message: "",
+            status: 200
+        };
+
+        this.messageContext = {
+            isString: "請輸入字串",
+            isEmpty: "請輸入值再進行驗證"
+        }
+    }
+
+    empty(input) {
+        if (typeof input === "undefined" || input === "") {
+            this.response.message = this.messageContext.isEmpty
+            this.response.status = 511
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    userName(userName) {
+        if (this.empty(userName)) {
+            return this.response
+        }
+
+        if (typeof userName !== 'string') {
+            // throw new TypeError('Expected a string');
+            this.response.message = this.messageContext.isString
+            this.response.status = 510
+            return this.response
+        }
+
+        const rule = new RegExp("^[\u4e00-\u9fa5_a-zA-Z]+$");
+        if (!rule.test(userName)) {
+            this.response.status = 512
+            this.response.message = '您的姓名不該包含數字。'
+            return this.response
+        }
+        return this.response
+    }
+
+    mobile(mobile) {
+        if (this.empty(mobile)) {
+            return this.response
+        }
+
+        const rule = new RegExp("^[09]{2}[0-9]{8}$");
+        if (!rule.test(mobile)) {
+            this.response.status = 512
+            this.response.message = '您輸入的手機格式不正確。'
+            return this.response
+        }
+        return this.response
+    }
+
+    email(email) {
+        if (this.empty(email)) {
+            return this.response
+        }
+
+        const rule = new RegExp("^[^\s]+@[^\s]+\.[^\s]+$");
+        if (!rule.test(email)) {
+            this.response.status = 512
+            this.response.message = '您輸入Email格式不正確。'
+            return this.response
+        }
+        return this.response
+    }
+
+    idcard(idcard) {
+        if(this.empty(idcard)) {
+            return this.response
+        }
+
+        const rule = new RegExp("^[A-Z]{1}[0-9]{9}$");
+        if (!rule.test(email)) {
+            this.response.status = 512
+            this.response.message = '您輸入身分證字號格式不正確。'
+            return this.response
+        }
+        return this.response
+    }
+
+}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..266d83c
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,32 @@
+{
+  "name": "form-validation",
+  "version": "1.0.1",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "assert": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/assert/-/assert-1.4.1.tgz",
+      "integrity": "sha1-mZEtWRg2tab1s0XA8H7vwI/GXZE=",
+      "dev": true,
+      "requires": {
+        "util": "0.10.3"
+      }
+    },
+    "inherits": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz",
+      "integrity": "sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=",
+      "dev": true
+    },
+    "util": {
+      "version": "0.10.3",
+      "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
+      "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
+      "dev": true,
+      "requires": {
+        "inherits": "2.0.1"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..a76a845
--- /dev/null
+++ b/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "form-validation",
+  "version": "1.0.1",
+  "description": "Validate each field data format in JavaScript ",
+  "main": "index.js",
+  "scripts": {
+    "test": "node ./test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/YutangShi/form-validation.git"
+  },
+  "keywords": [
+    "form",
+    "validation"
+  ],
+  "author": "AllenShi",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/YutangShi/form-validation/issues"
+  },
+  "homepage": "https://github.com/YutangShi/form-validation",
+  "devDependencies": {
+    "assert": "^1.4.1"
+  }
+}
diff --git a/test.js b/test.js
new file mode 100644
index 0000000..f1b351e
--- /dev/null
+++ b/test.js
@@ -0,0 +1,17 @@
+const formValidation = require('./index');
+const assert = require('assert');
+const form = new formValidation();
+
+(function testUserName(data1, data2) {
+    // assert.equal(data1, data2, `not good`);
+    const res = form.userName("Allen");
+    console.log('姓名驗證:' + JSON.stringify(res))
+    assert.deepEqual(
+        res, { status: 200, message: "" }
+    )
+})()
+
+
+// var res = form.userName('1103F');
+// var res = form.email('0913407921@gmail.com');
+// console.log('res:' + JSON.stringify(res))
\ No newline at end of file