处理报错

hdPad/src/components/delivery-input/weight-input.vue

@@ -76,6 +76,9 @@ export default {
       val = Math.floor(val);
       this.localWeight = val;
       this.$emit('input', val);
+    },
+    handleFocus() {
+      // 处理 focus 事件
     }
   }
 }