diff --git a/src/views/mes/energydevicecheck/index.vue b/src/views/mes/energydevicecheck/index.vue
index 742e43b4..a3de3bf7 100644
--- a/src/views/mes/energydevicecheck/index.vue
+++ b/src/views/mes/energydevicecheck/index.vue
@@ -13,7 +13,7 @@
       </el-form-item>
 
       <el-form-item label="时间范围" prop="timeRange">
-        <el-date-picker v-model="queryParams.timeRange" type="datetimerange" value-format="YYYY-MM-DD HH"
+        <el-date-picker v-model="queryParams.timeRange" type="datetimerange" value-format="YYYY-MM-DD HH:mm:ss"
           format="YYYY-MM-DD HH" start-placeholder="请选择开始时间" end-placeholder="请选择结束时间"
           :default-time="[new Date('2000-01-01 00:00:00'), new Date('2000-01-01 23:00:00')]"
           :disabled-time="getDisabledTime" class="!w-360px " popper-class="energydevicecheckPicker"
@@ -108,12 +108,27 @@ const getDisabledTime = () => {
   }
 }
 
+const buildDefaultTimeRange = () => {
+  const pad = (n: number) => (n < 10 ? `0${n}` : String(n))
+  const end = new Date()
+  end.setMinutes(0, 0, 0)
+  const start = new Date(end.getTime() - 7 * 24 * 60 * 60 * 1000)
+  const format = (d: Date) => {
+    const y = d.getFullYear()
+    const m = pad(d.getMonth() + 1)
+    const day = pad(d.getDate())
+    const h = pad(d.getHours())
+    return `${y}-${m}-${day} ${h}:00:00`
+  }
+  return [format(start), format(end)] as string[]
+}
+
 const queryParams = reactive({
   pageNo: 1,
   pageSize: 10,
   name: undefined as string | undefined,
   orgId: undefined as string | number | undefined,
-  timeRange: [] as string[],
+  timeRange: buildDefaultTimeRange(),
   startTime: undefined as string | undefined,
   endTime: undefined as string | undefined
 })
@@ -187,7 +202,7 @@ const handleQuery = () => {
 /** 重置按钮操作 */
 const resetQuery = () => {
   queryFormRef.value.resetFields()
-  queryParams.timeRange = []
+  queryParams.timeRange = buildDefaultTimeRange()
   handleQuery()
 }