diff --git a/src/drawApp/relayCabinetLayoutApp.ts b/src/drawApp/relayCabinetLayoutApp.ts
index 488d0ff..4ce2a6d 100644
--- a/src/drawApp/relayCabinetLayoutApp.ts
+++ b/src/drawApp/relayCabinetLayoutApp.ts
@@ -435,7 +435,11 @@ export function creatCiCjListByCombinationtype(
     ciCjList.cjList[i] = new relayCabinetGraphicData.CjDataSet();
     ciCjList.cjList[i].name = 'D' + (i + 1);
     for (let j = 0; j < rows; j++) {
-      if (i < cols - 1 || (i == cols - 1 && j < allCjData.length % rows)) {
+      if (
+        i < cols - 1 ||
+        (i == cols - 1 && j < allCjData.length % rows) ||
+        (i == cols - 1 && allCjData.length % rows == 0)
+      ) {
         ciCjList.cjList[i].bitList[j] = allCjData[i * rows + j];
       } else {
         ciCjList.cjList[i].bitList[j] = new relayCabinetGraphicData.CjData();