diff --git a/src/views/iot/deviceParamAnalysis/index.vue b/src/views/iot/deviceParamAnalysis/index.vue
index 722a5e53..8608816c 100644
--- a/src/views/iot/deviceParamAnalysis/index.vue
+++ b/src/views/iot/deviceParamAnalysis/index.vue
@@ -45,6 +45,7 @@
                   :disabled-date="disableFutureDate"
                   @change="(value) => handleDateRangeChange(group, value)"
                 />
+                <div class="mt-4px text-12px text-gray-500">最多选择 8 小时，且不能选择未来日期</div>
               </div>
             </el-form-item>
             <el-form-item>
diff --git a/src/views/mes/deviceledger/DeviceLedgerForm.vue b/src/views/mes/deviceledger/DeviceLedgerForm.vue
index b354508a..7ac237ae 100644
--- a/src/views/mes/deviceledger/DeviceLedgerForm.vue
+++ b/src/views/mes/deviceledger/DeviceLedgerForm.vue
@@ -267,6 +267,18 @@ const parseIdsValue = (value: any): number[] => {
     .filter((v) => !Number.isNaN(v))
 }
 
+const normalizeNumberish = (value: any): number | undefined => {
+  if (value === null || value === undefined || value === '') return undefined
+  if (typeof value === 'number') return Number.isFinite(value) ? value : undefined
+  if (typeof value === 'string') {
+    const trimmed = value.trim()
+    if (!trimmed) return undefined
+    const n = Number(trimmed)
+    return Number.isFinite(n) ? n : undefined
+  }
+  return undefined
+}
+
 const normalizeYmd = (value: any): string | undefined => {
   if (value === null || value === undefined || value === '') return undefined
   if (typeof value === 'string') {
@@ -475,6 +487,7 @@ const open = async (type: string, id?: number, defaultDeviceTypeId?: number) =>
       formData.value = {
         ...initFormData(),
         ...(detail as any),
+        deviceType: normalizeNumberish((detail as any)?.deviceType),
         deviceManagerIds: parseIdsValue((detail as any)?.deviceManager),
         productionDate: normalizeYmd((detail as any)?.productionDate),
         factoryEntryDate: normalizeYmd((detail as any)?.factoryEntryDate),
@@ -503,6 +516,7 @@ const submitForm = async () => {
   try {
     const data = {
       ...(formData.value as any),
+      deviceType: normalizeNumberish(formData.value.deviceType),
       productionDate: normalizeYmd(formData.value.productionDate),
       factoryEntryDate: normalizeYmd(formData.value.factoryEntryDate),
       deviceManager: formData.value.deviceManagerIds?.length ? formData.value.deviceManagerIds.join(',') : undefined,