fix:mlogb扫wpr码时，若以有该批次的使用数量显示更正

src/views/wpm_bx/mlogb_form.vue

@@ -225,6 +225,7 @@ export default {
 							    })
 								if (arr0.length > 0) {
 									that.hasMlogbIn = true;
+									that.form.count_use = 1;
 									bwitem.mlogb = arr0[0].id;
 								}else{
 									that.form.batch = arr[0].batch;