diff --git a/1-js/02-first-steps/17-arrow-functions-basics/article.md "b/1-js/02-\347\254\254\344\270\200\346\255\245/17\347\256\255\345\244\264\345\212\237\350\203\275\345\237\272\347\241\200\347\237\245\350\257\206/article.md"
similarity index 99%
rename from 1-js/02-first-steps/17-arrow-functions-basics/article.md
rename to "1-js/02-\347\254\254\344\270\200\346\255\245/17\347\256\255\345\244\264\345\212\237\350\203\275\345\237\272\347\241\200\347\237\245\350\257\206/article.md"
index 7d03614764..3567e974e0 100644
--- a/1-js/02-first-steps/17-arrow-functions-basics/article.md
+++ "b/1-js/02-\347\254\254\344\270\200\346\255\245/17\347\256\255\345\244\264\345\212\237\350\203\275\345\237\272\347\241\200\347\237\245\350\257\206/article.md"
@@ -64,7 +64,7 @@ alert( sum(1, 2) ); // 3
 let age = prompt("What is your age?", 18);
 
 let welcome = (age < 18) ?
-  () => alert('Hello'!) :
+  () => alert('Hello!') :
   () => alert("Greetings!");
 
 welcome();