edit

service/agent/lib/Order.php

@@ -718,7 +718,7 @@ class Order
                     $param['parent_level'] = $level['id'];
                     $param['child_num'] = $child_num;
                 }
-                if ($parent_level['id'] && $parent_level['value'] > 0) {
+                if ($parent_level['id'] && $parent_level['value'] > 0 && $cash >= 0) {
                     $param['cash'] = $cash;
                     $param['per'] = $parent_level['value'];