fix

zjugis-business/src/main/resources/templates/FlowContractInvoice/js/apply.js

@@ -141,7 +141,7 @@
     function submit(all, istransfer) {
         var invoiceAmount = $('[name="contractInvoice$invoiceAmount"] input').val();
         var contractBalance = $('[name="amount$contractBalance"] input').val();
-        if(!contractBalance){
+        if( contractBalance !== 0 && !contractBalance ){
             contractBalance = $('[name="contract$contractAmount"] input').val();
             if(!contractBalance){
                 contractBalance = 0;