diff --git a/src/components/Keyboard.vue b/src/components/Keyboard.vue
index 703a732..3644b58 100644
--- a/src/components/Keyboard.vue
+++ b/src/components/Keyboard.vue
@@ -66,7 +66,7 @@ export default {
             this.$nextTick(() => {
                 let _width = this.$refs.keyboard.clientWidth - this.space * 10;
                 let normal = _width / 10;
-                if(this.width){
+                if(this.width != 'auto'){
                     normal = parseInt(this.width.replace('px',''));
                 }
                 const special = normal * 1.5 + this.space / 2;