安全生产，不限制修改单价

app/public/js/payment_safe.js

@@ -383,7 +383,7 @@ $(document).ready(function() {
                     info.cancel = readOnly || billsObj.checkNodeUsed(tree, node);
                     break;
                 case 'unit_price':
-                    info.cancel = readOnly || (node.children && node.children.length > 0) || billsObj.checkNodeUsed(tree, node);
+                    info.cancel = readOnly || (node.children && node.children.length > 0);
                     break;
                 case 'cur_qty':
                 case 'cur_tp':