diff --git a/src/store/useSuitableStore.ts b/src/store/useSuitableStore.ts
index dafe53a..aa6d285 100644
--- a/src/store/useSuitableStore.ts
+++ b/src/store/useSuitableStore.ts
@@ -84,7 +84,7 @@ export const useSuitableStore = create<SuitableState>((set) => ({
     set(() => {
       const newSelectedItems = new Map()
       suitableIds.forEach((suitableId) => {
-        newSelectedItems.set(suitableId.id, new Set(suitableId.detailId.split(',').map(Number)))
+        newSelectedItems.set(suitableId.id, new Set(suitableId.detailId?.split(',').map(Number)))
       })
       return { selectedItems: newSelectedItems }
     })