diff --git a/homeworks/week4/hw3.js b/homeworks/week4/hw3.js
index e69de29..7be56f1 100644
--- a/homeworks/week4/hw3.js
+++ b/homeworks/week4/hw3.js
@@ -0,0 +1,28 @@
+const request = require('request');
+const args = process.argv;
+
+const country = args[2];
+
+if (!country) {
+  return console.log('Please enter country name');
+}
+
+request(
+  'https://restcountries.eu/rest/v2/name/{name}',
+  function (error,response,body) {
+    if (error) {
+      return console.log('存取錯誤', error);
+    }
+    const data = JSON.parse(body);
+    if (data.status === 404) {
+      return console.log('cannot find country')
+  }
+
+  for (let i = 0; i < data.length; i++) {
+    console.log('============')
+    console.log('國家:' + data[i].name);
+    console.log('首都:' + data[i].capital);
+    console.log('貨幣:' + data[i].currencies[0].code);
+    console.log('國碼:' + data[i].callingCodes[0]);
+ }
+})