fix: 最低限价默认值转换

web/building_saas/main/js/views/project_view.js

@@ -550,7 +550,7 @@ var projectObj = {
                 project.calcProgram.calcAndSave(node);
             } else {
                 if (node.sourceType === project.Bills.getSourceType()) {
-                    if(fieldName == "maxPrice"){
+                    if(fieldName === "maxPrice" || fieldName === 'minPrice'){
                         if(value == null){
                             value = "";
                         }else {