diff --git a/src/number-keyboard/Key.js b/src/number-keyboard/Key.js
index 858af2257..37987d205 100644
--- a/src/number-keyboard/Key.js
+++ b/src/number-keyboard/Key.js
@@ -48,7 +48,10 @@ export default createComponent({
     onTouchEnd(event) {
       if (this.active) {
         // eliminate tap delay on safari
-        event.preventDefault();
+        // see: https://github.com/youzan/vant/issues/6836
+        if (!this.slots('default')) {
+          event.preventDefault();
+        }
         this.active = false;
         this.$emit('press', this.text, this.type);
       }