diff --git a/apps/wr/components/ui/form/fcltReg/pbnstReg/mngReg/mngRegFormDetail/mngRegFormDetail.tsx b/apps/wr/components/ui/form/fcltReg/pbnstReg/mngReg/mngRegFormDetail/mngRegFormDetail.tsx
index fb50e1b89..234efa7c7 100644
--- a/apps/wr/components/ui/form/fcltReg/pbnstReg/mngReg/mngRegFormDetail/mngRegFormDetail.tsx
+++ b/apps/wr/components/ui/form/fcltReg/pbnstReg/mngReg/mngRegFormDetail/mngRegFormDetail.tsx
@@ -101,7 +101,7 @@ export default function MngRegFormDetail({
                                 : []
                             }
                             onSelectValue={field.onChange}
-                            value={field.value?.trim() ??""}
+                            value={field.value?.trim() ?? (Array.isArray(potentialOptions) && potentialOptions[0]?.val )}
                             readOnly={formHead.option === "readOnly"}
                           />
                         );