diff --git a/src/components/floor-plan/modal/circuitTrestle/step/StepUp.jsx b/src/components/floor-plan/modal/circuitTrestle/step/StepUp.jsx
index a9b5029a..77cdf7b4 100644
--- a/src/components/floor-plan/modal/circuitTrestle/step/StepUp.jsx
+++ b/src/components/floor-plan/modal/circuitTrestle/step/StepUp.jsx
@@ -634,7 +634,7 @@ export default function StepUp(props) {
         <div className="slope-wrap">
           <div className="circuit-overflow">
             {/* 3개일때 className = by-max */}
-            {originPcsVoltageStepUpList.map((stepUp, index) => (
+            {stepUpListData.map((stepUp, index) => (
               <div key={index} className={`module-table-box ${stepUp.pcsItemList.length === 3 ? 'by-max' : ''}`}>
                 {stepUp?.pcsItemList.map((pcsItem, idx) => (
                   <div key={idx} className="module-table-inner">
@@ -681,7 +681,10 @@ export default function StepUp(props) {
                                             0
                                           </option>
                                         )}
-                                        {Array.from({ length: item.paralQty }, (_, i) => i + 1).map((num) => (
+                                        {Array.from(
+                                          { length: originPcsVoltageStepUpList[index].pcsItemList[idx].serQtyList[serQtyIdx].paralQty },
+                                          (_, i) => i + 1,
+                                        ).map((num) => (
                                           <option key={num} value={num}>
                                             {num}
                                           </option>