diff --git a/src/utils/keyHelper.ts b/src/utils/keyHelper.ts
index 3394516..b1dde26 100644
--- a/src/utils/keyHelper.ts
+++ b/src/utils/keyHelper.ts
@@ -1,5 +1,5 @@
 const keyCodeArray = [
-  ...'1234567890abcdefghijklmnopqrstuvwxyz'.split(''),
+  ...'1234567890abcdefghijklmnopqrstuvwxyz§'.split(''),
   ..."`[]\\;',./".split(''),
   'alt',
   'shift',