test

application/em/view/useage/default.html

@@ -328,7 +328,8 @@
 
             $('#amount').change(function(){
                 if($('#repo_numb').val() == '') {
-                    layMsg('本次抄表必须大于上次抄表读数',5);
+                    $('#amount').val('');
+                    layMsg('请先填写本次度数',5);
                     return;
                 }
                 var $price = $('#amount').val() / $('#repo_numb').val();