fix: 报表，步骤对比选项问题

web/maintain/report/js/rpt_tpl_main.js

@@ -1385,7 +1385,7 @@ let zTreeOprObj = {
                 if (val === "project_compare") {
                   $("#element_constructSumFlags_audit")[0].selectedIndex = 1;
                 } else if (val === "costUnitCompare") {
-                  $("#element_constructSumFlags_audit")[1].selectedIndex = 1;
+                  $("#element_constructSumFlags_audit")[0].selectedIndex = 2;
                 } else {
                   $("#element_constructSumFlags_audit")[0].selectedIndex = 0;
                 }