diff --git a/index.js b/index.js
index 2ff5efca283366476e67176d17a2436be0d5dbf6..9b2b1a9062d5a7169b5290a6f679da8489aebf13 100644
--- a/index.js
+++ b/index.js
@@ -15,4 +15,11 @@ async function loopWithPromise(count, duration, callback) {
     }
 }
 
-module.exports.loopWithPromise = loopWithPromise;
\ No newline at end of file
+(async () => {
+    // 一定要加上 await，可以实现调用点阻塞
+    await loopWithPromise(5, 300, (count) => {
+        console.log("执行次数: " + count);
+    });
+    
+	console.log("执行完成！");
+})();
\ No newline at end of file
diff --git a/test.js b/test.js
deleted file mode 100644
index 56b441181634075f986a8ff161cf3cbe1d86a56d..0000000000000000000000000000000000000000
--- a/test.js
+++ /dev/null
@@ -1,10 +0,0 @@
-const { loopWithPromise } = require('./index');
-
-(async () => {
-    // 一定要加上 await
-    await loopWithPromise(5, 300, (count) => {
-        console.log("执行次数: " + count);
-    });
-    
-	console.log("执行完成！");
-})();
\ No newline at end of file