diff --git a/src/api/iot/device/index.ts b/src/api/iot/device/index.ts
index 683b986e..2a411261 100644
--- a/src/api/iot/device/index.ts
+++ b/src/api/iot/device/index.ts
@@ -3,11 +3,14 @@ import qs from 'qs'
 
 // 物联设备 VO
 export interface DeviceVO {
-  id: number // ID
+  id: string | number // ID
   deviceCode: string // 设备编号
   deviceName: string // 设备名称
   boundLedgerName?: string // 已绑定的设备台账名称
   deviceType: string // 设备类型
+  ledgerBound?: boolean
+  selectable?: boolean
+  boundLedgerId?: string | number | null
   status: string // 状态
   isConnect?: string | number
   operatingStatus?: string | number
@@ -91,7 +94,7 @@ export const DeviceApi = {
     return await request.get({ url: `/iot/device/deviceList`, params })
   },
   // 查询物联设备详情
-  getDevice: async (id: number) => {
+  getDevice: async (id: string | number) => {
     return await request.get({ url: `/iot/device/get?id=` + id })
   },
   getDeviceListByNoUsed: async () => {
diff --git a/src/views/mes/deviceledger/DeviceLedgerForm.vue b/src/views/mes/deviceledger/DeviceLedgerForm.vue
index 9bc067ca..614a8269 100644
--- a/src/views/mes/deviceledger/DeviceLedgerForm.vue
+++ b/src/views/mes/deviceledger/DeviceLedgerForm.vue
@@ -425,8 +425,8 @@
         <el-table-column width="56" align="center">
           <template #default="scope">
             <el-radio
-              :model-value="iotDeviceDraftId"
-              :label="scope.row.id"
+              v-model="iotDeviceDraftId"
+              :value="String(scope.row.id)"
               :disabled="!isIotDeviceSelectable(scope.row)"
               @change="selectIotDevice(scope.row)"
               @click.stop
@@ -796,7 +796,7 @@ const iotDeviceDialogVisible = ref(false)
 const iotDeviceList = ref<DeviceVO[]>([])
 const iotDeviceTotal = ref(0)
 const iotDeviceSelectedLabel = ref('')
-const iotDeviceDraftId = ref<number | undefined>()
+const iotDeviceDraftId = ref<string | undefined>()
 const iotDeviceDraftRow = ref<DeviceVO | undefined>()
 const list = ref<CriticalComponentVO[]>([])
 const bjList = ref<ProductVO[]>([])
@@ -825,6 +825,12 @@ const normalizeNumberish = (value: any): number | undefined => {
   }
   return undefined
 }
+const normalizeId = (value: unknown): string | undefined => {
+  if (value === null || value === undefined) return undefined
+  const id = String(value).trim()
+  return id || undefined
+}
+
 
 const normalizeYmd = (value: any): string | undefined => {
   if (value === null || value === undefined || value === '') return undefined
@@ -1094,7 +1100,7 @@ const buildIotDeviceLabel = (item: any) => {
 }
 
 const getIotDeviceIdFromDetail = (detail: any) =>
-  normalizeNumberish(
+  normalizeId(
     detail?.dvId ?? detail?.iotDeviceId ?? detail?.iotDevice?.id ?? detail?.device?.id
   )
 
@@ -1118,8 +1124,19 @@ const getIotDeviceLabelFromDetail = (detail: any) => {
 
 const iotDeviceDisplay = computed(() => iotDeviceSelectedLabel.value)
 
+const isCurrentIotDevice = (row: any) => {
+  const rowId = normalizeId(row?.id)
+  const selectedId = normalizeId(formData.value.dvId)
+  if (rowId !== undefined && rowId === selectedId) return true
+
+  const boundLedgerId = normalizeId(row?.boundLedgerId)
+  const currentLedgerId = normalizeId(formData.value.id)
+  return boundLedgerId !== undefined && boundLedgerId === currentLedgerId
+}
+
 const isIotDeviceSelectable = (row: any) => {
   const value = row?.selectable
+  if (isCurrentIotDevice(row)) return true
   return value !== false && String(value ?? 'true').toLowerCase() !== 'false'
 }
 
@@ -1134,7 +1151,7 @@ const isIotDeviceEnabled = (row: any) => {
 
 const selectIotDevice = (row: DeviceVO) => {
   if (!isIotDeviceSelectable(row)) return
-  const id = normalizeNumberish(row?.id)
+  const id = normalizeId(row?.id)
   if (id === undefined) return
   iotDeviceDraftId.value = id
   iotDeviceDraftRow.value = row
@@ -1149,7 +1166,7 @@ const getIotDeviceRowClassName = ({ row }: { row: DeviceVO }) => {
 }
 
 const openIotDeviceDialog = async () => {
-  const id = normalizeNumberish(formData.value.dvId)
+  const id = normalizeId(formData.value.dvId)
   iotDeviceDraftId.value = id
   iotDeviceDraftRow.value =
     id === undefined ? undefined : ({ id, deviceName: iotDeviceSelectedLabel.value } as DeviceVO)
diff --git a/src/views/mes/deviceledger/detail/editIndex.vue b/src/views/mes/deviceledger/detail/editIndex.vue
index c71e60ec..e157296a 100644
--- a/src/views/mes/deviceledger/detail/editIndex.vue
+++ b/src/views/mes/deviceledger/detail/editIndex.vue
@@ -730,8 +730,8 @@
             <el-table-column width="56" align="center">
               <template #default="scope">
                 <el-radio
-                  :model-value="iotDeviceDraftId"
-                  :label="scope.row.id"
+                  v-model="iotDeviceDraftId"
+                  :value="String(scope.row.id)"
                   :disabled="!isIotDeviceSelectable(scope.row)"
                   @change="selectIotDevice(scope.row)"
                   @click.stop
@@ -894,7 +894,7 @@ const iotDeviceDialogVisible = ref(false)
 const iotDeviceList = ref<DeviceVO[]>([])
 const iotDeviceTotal = ref(0)
 const iotDeviceSelectedLabel = ref('')
-const iotDeviceDraftId = ref<number | undefined>()
+const iotDeviceDraftId = ref<string | undefined>()
 const iotDeviceDraftRow = ref<DeviceVO | undefined>()
 const parseIdsValue = (value: any): number[] => {
   if (!value) return []
@@ -1158,6 +1158,12 @@ const normalizeNumberish = (value: any): number | undefined => {
   }
   return undefined
 }
+const normalizeId = (value: unknown): string | undefined => {
+  if (value === null || value === undefined) return undefined
+  const id = String(value).trim()
+  return id || undefined
+}
+
 
 const normalizeYmd = (value: any): string | undefined => {
   if (value === null || value === undefined || value === '') return undefined
@@ -1428,7 +1434,7 @@ const buildIotDeviceLabel = (item: any) => {
 }
 
 const getIotDeviceIdFromDetail = (detail: any) =>
-  normalizeNumberish(
+  normalizeId(
     detail?.dvId ?? detail?.iotDeviceId ?? detail?.iotDevice?.id ?? detail?.device?.id
   )
 
@@ -1452,8 +1458,19 @@ const getIotDeviceLabelFromDetail = (detail: any) => {
 
 const iotDeviceDisplay = computed(() => iotDeviceSelectedLabel.value)
 
+const isCurrentIotDevice = (row: any) => {
+  const rowId = normalizeId(row?.id)
+  const selectedId = normalizeId(formData.value.dvId)
+  if (rowId !== undefined && rowId === selectedId) return true
+
+  const boundLedgerId = normalizeId(row?.boundLedgerId)
+  const currentLedgerId = normalizeId(formData.value.id)
+  return boundLedgerId !== undefined && boundLedgerId === currentLedgerId
+}
+
 const isIotDeviceSelectable = (row: any) => {
   const value = row?.selectable
+  if (isCurrentIotDevice(row)) return true
   return value !== false && String(value ?? 'true').toLowerCase() !== 'false'
 }
 
@@ -1468,7 +1485,7 @@ const isIotDeviceEnabled = (row: any) => {
 
 const selectIotDevice = (row: DeviceVO) => {
   if (!isIotDeviceSelectable(row)) return
-  const id = normalizeNumberish(row?.id)
+  const id = normalizeId(row?.id)
   if (id === undefined) return
   iotDeviceDraftId.value = id
   iotDeviceDraftRow.value = row
@@ -1483,7 +1500,7 @@ const getIotDeviceRowClassName = ({ row }: { row: DeviceVO }) => {
 }
 
 const openIotDeviceDialog = async () => {
-  const id = normalizeNumberish(formData.value.dvId)
+  const id = normalizeId(formData.value.dvId)
   iotDeviceDraftId.value = id
   iotDeviceDraftRow.value =
     id === undefined ? undefined : ({ id, deviceName: iotDeviceSelectedLabel.value } as DeviceVO)