diff --git a/libs/line-message/commands/index.js b/libs/line-message/commands/index.js
index cd991c7..58e7340 100644
--- a/libs/line-message/commands/index.js
+++ b/libs/line-message/commands/index.js
@@ -73,8 +73,8 @@ const parseCMD = async (text = '', source = {}) => {
         let txt = ''
         console.log('obj ::: ', obj)
         for (let i of obj) {
-          i.key = i.key.replace(/(\+|\[|\]|\*|\$|\^|\(|\))/g, '\\$1')
-          txt += (txt.length > 0 ? '|' : '') + i.key
+          let key = i.key.replace(/(\+|\[|\]|\*|\$|\^|\(|\))/g, '\\$1')
+          txt += (txt.length > 0 ? '|' : '') + key
         }
         regex = new RegExp(`^(${txt})$`)
         console.log(regex)