diff --git a/index.js b/index.js
index a8d7ab0..fd51f4f 100644
--- a/index.js
+++ b/index.js
@@ -9,7 +9,7 @@ function readlineSync(msg = "Input：") {
         process.stdin.resume();
         process.stdin.on("data", function (data) {
             process.stdin.pause();
-            resolve(data);
+            resolve(data.substring(0, data.length - 2));
         });
     });
 }