diff --git a/src/views/ops/pages/dc/server/components/DatacenterSelector.vue b/src/views/ops/pages/dc/server/components/DatacenterSelector.vue
new file mode 100644
index 0000000..36d8928
--- /dev/null
+++ b/src/views/ops/pages/dc/server/components/DatacenterSelector.vue
@@ -0,0 +1,357 @@
+<template>
+  <a-input-group>
+    <a-select
+      v-model="selectedDatacenterId"
+      :placeholder="placeholders.datacenter"
+      :loading="datacenterListLoading"
+      :disabled="disabled"
+      style="width: 33.33%"
+      allow-search
+      @search="handleDatacenterSearch"
+      @change="handleDatacenterChange"
+    >
+      <a-option
+        v-for="datacenter in datacenterList"
+        :key="datacenter.value"
+        :value="datacenter.value"
+      >
+        {{ datacenter.label }}
+      </a-option>
+    </a-select>
+    <a-select
+      v-model="selectedFloorId"
+      :placeholder="placeholders.floor"
+      :loading="floorListLoading"
+      :disabled="disabled || !selectedDatacenterId"
+      style="width: 33.33%"
+      allow-search
+      @search="handleFloorSearch"
+      @change="handleFloorChange"
+    >
+      <a-option
+        v-for="floor in floorList"
+        :key="floor.value"
+        :value="floor.value"
+      >
+        {{ floor.label }}
+      </a-option>
+    </a-select>
+    <a-select
+      v-model="selectedRackId"
+      :placeholder="placeholders.rack"
+      :loading="rackListLoading"
+      :disabled="disabled || !selectedFloorId"
+      style="width: 33.33%"
+      allow-search
+      @search="handleRackSearch"
+      @change="handleRackChange"
+    >
+      <a-option
+        v-for="rack in rackList"
+        :key="rack.id"
+        :value="rack.id"
+      >
+        {{ rack.name }} ({{ rack.code }})
+      </a-option>
+    </a-select>
+  </a-input-group>
+</template>
+
+<script lang="ts" setup>
+import { ref, watch, onMounted } from 'vue'
+import { Message } from '@arco-design/web-vue'
+import { fetchDatacenterList, fetchRackListByFloor } from '@/api/ops/rack'
+import { fetchFloorListByDatacenter } from '@/api/ops/floor'
+
+interface Props {
+  datacenterId?: number
+  floorId?: number
+  rackId?: number
+  disabled?: boolean
+  placeholders?: {
+    datacenter: string
+    floor: string
+    rack: string
+  }
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  datacenterId: undefined,
+  floorId: undefined,
+  rackId: undefined,
+  disabled: false,
+  placeholders: () => ({
+    datacenter: '请选择数据中心',
+    floor: '请选择楼层',
+    rack: '请选择机柜',
+  }),
+})
+
+const emit = defineEmits<{
+  'update:datacenterId': [value: number | undefined]
+  'update:floorId': [value: number | undefined]
+  'update:rackId': [value: number | undefined]
+  'change': [value: { datacenterId?: number; floorId?: number; rackId?: number }]
+}>()
+
+// 三级联动相关状态
+const datacenterListLoading = ref(false)
+const floorListLoading = ref(false)
+const rackListLoading = ref(false)
+const datacenterList = ref<{ label: string; value: number }[]>([])
+const floorList = ref<{ label: string; value: number }[]>([])
+const rackList = ref<any[]>([])
+
+// 内部选中的值
+const selectedDatacenterId = ref<number | undefined>(props.datacenterId)
+const selectedFloorId = ref<number | undefined>(props.floorId)
+const selectedRackId = ref<number | undefined>(props.rackId)
+
+let datacenterSearchTimer: number | undefined
+let floorSearchTimer: number | undefined
+let rackSearchTimer: number | undefined
+
+// 提取列表数据
+const extractList = (res: any): any[] => {
+  const candidate =
+    res?.data?.data ??
+    res?.details?.data ??
+    res?.data ??
+    res?.details ??
+    []
+  return Array.isArray(candidate) ? candidate : []
+}
+
+// 获取数据中心列表
+const fetchDatacenters = async (keyword?: string) => {
+  datacenterListLoading.value = true
+  try {
+    const res: any = await fetchDatacenterList({ keyword })
+    const rows = extractList(res)
+    datacenterList.value = rows.map((d: any) => ({
+      label: d.name || d.code || String(d.id),
+      value: d.id,
+    }))
+  } catch (error) {
+    console.error('获取数据中心列表失败:', error)
+    Message.error('获取数据中心列表失败')
+    datacenterList.value = []
+  } finally {
+    datacenterListLoading.value = false
+  }
+}
+
+// 获取楼层列表
+const fetchFloors = async (keyword?: string) => {
+  if (!selectedDatacenterId.value) {
+    floorList.value = []
+    return
+  }
+  floorListLoading.value = true
+  try {
+    const res: any = await fetchFloorListByDatacenter(selectedDatacenterId.value, {
+      name: keyword || undefined,
+    })
+    const rows = extractList(res)
+    floorList.value = rows.map((floor: any) => ({
+      label: floor.name || floor.code || String(floor.id),
+      value: floor.id,
+    }))
+  } catch (error) {
+    console.error('获取楼层列表失败:', error)
+    Message.error('获取楼层列表失败')
+    floorList.value = []
+  } finally {
+    floorListLoading.value = false
+  }
+}
+
+// 获取机柜列表
+const fetchRacks = async (keyword?: string) => {
+  if (!selectedFloorId.value) {
+    rackList.value = []
+    return
+  }
+  rackListLoading.value = true
+  try {
+    const res: any = await fetchRackListByFloor(selectedFloorId.value, { name: keyword })
+    rackList.value = extractList(res)
+  } catch (error) {
+    console.error('获取机柜列表失败:', error)
+    Message.error('获取机柜列表失败')
+    rackList.value = []
+  } finally {
+    rackListLoading.value = false
+  }
+}
+
+// 数据中心搜索
+const handleDatacenterSearch = (keyword: string) => {
+  if (datacenterSearchTimer) {
+    window.clearTimeout(datacenterSearchTimer)
+  }
+  datacenterSearchTimer = window.setTimeout(() => {
+    fetchDatacenters(keyword?.trim() || undefined)
+  }, 300)
+}
+
+// 楼层搜索
+const handleFloorSearch = (keyword: string) => {
+  if (!selectedDatacenterId.value) return
+  if (floorSearchTimer) {
+    window.clearTimeout(floorSearchTimer)
+  }
+  floorSearchTimer = window.setTimeout(() => {
+    fetchFloors(keyword?.trim() || undefined)
+  }, 300)
+}
+
+// 机柜搜索
+const handleRackSearch = (keyword: string) => {
+  if (!selectedFloorId.value) return
+  if (rackSearchTimer) {
+    window.clearTimeout(rackSearchTimer)
+  }
+  rackSearchTimer = window.setTimeout(() => {
+    fetchRacks(keyword?.trim() || undefined)
+  }, 300)
+}
+
+// 数据中心变化
+const handleDatacenterChange = async (datacenterId?: number | string) => {
+  if (datacenterId !== undefined && datacenterId !== null && datacenterId !== '') {
+    selectedDatacenterId.value = Number(datacenterId)
+  } else {
+    selectedDatacenterId.value = undefined
+  }
+  selectedFloorId.value = undefined
+  selectedRackId.value = undefined
+  rackList.value = []
+  floorList.value = []
+  
+  emit('update:datacenterId', selectedDatacenterId.value)
+  emit('update:floorId', undefined)
+  emit('update:rackId', undefined)
+  emit('change', {
+    datacenterId: selectedDatacenterId.value,
+    floorId: undefined,
+    rackId: undefined,
+  })
+  
+  await fetchFloors()
+}
+
+// 楼层变化
+const handleFloorChange = async (floorId?: number | string) => {
+  if (floorId !== undefined && floorId !== null && floorId !== '') {
+    selectedFloorId.value = Number(floorId)
+  } else {
+    selectedFloorId.value = undefined
+  }
+  selectedRackId.value = undefined
+  rackList.value = []
+  
+  emit('update:floorId', selectedFloorId.value)
+  emit('update:rackId', undefined)
+  emit('change', {
+    datacenterId: selectedDatacenterId.value,
+    floorId: selectedFloorId.value,
+    rackId: undefined,
+  })
+  
+  await fetchRacks()
+}
+
+// 机柜变化
+const handleRackChange = (rackId?: number | string) => {
+  if (rackId !== undefined && rackId !== null && rackId !== '') {
+    selectedRackId.value = Number(rackId)
+  } else {
+    selectedRackId.value = undefined
+  }
+  
+  emit('update:rackId', selectedRackId.value)
+  emit('change', {
+    datacenterId: selectedDatacenterId.value,
+    floorId: selectedFloorId.value,
+    rackId: selectedRackId.value,
+  })
+}
+
+// 重置方法
+const reset = () => {
+  selectedDatacenterId.value = undefined
+  selectedFloorId.value = undefined
+  selectedRackId.value = undefined
+  floorList.value = []
+  rackList.value = []
+}
+
+// 初始化加载
+const initLoad = async () => {
+  await fetchDatacenters()
+  
+  // 如果有初始值，加载对应的下级列表
+  if (props.datacenterId) {
+    selectedDatacenterId.value = props.datacenterId
+    await fetchFloors()
+  }
+  if (props.floorId) {
+    selectedFloorId.value = props.floorId
+    await fetchRacks()
+  }
+  if (props.rackId) {
+    selectedRackId.value = props.rackId
+  }
+}
+
+// 监听外部传入的值变化
+watch(
+  () => props.datacenterId,
+  (val) => {
+    if (val !== selectedDatacenterId.value) {
+      selectedDatacenterId.value = val
+      if (val) {
+        fetchFloors()
+      } else {
+        floorList.value = []
+        rackList.value = []
+      }
+    }
+  }
+)
+
+watch(
+  () => props.floorId,
+  (val) => {
+    if (val !== selectedFloorId.value) {
+      selectedFloorId.value = val
+      if (val) {
+        fetchRacks()
+      } else {
+        rackList.value = []
+      }
+    }
+  }
+)
+
+watch(
+  () => props.rackId,
+  (val) => {
+    selectedRackId.value = val
+  }
+)
+
+// 暴露方法给父组件
+defineExpose({
+  reset,
+  initLoad,
+  fetchDatacenters,
+  fetchFloors,
+  fetchRacks,
+})
+
+onMounted(() => {
+  initLoad()
+})
+</script>
\ No newline at end of file
diff --git a/src/views/ops/pages/dc/server/components/ServerFormDialog.vue b/src/views/ops/pages/dc/server/components/ServerFormDialog.vue
index 6cb40a2..648b19f 100644
--- a/src/views/ops/pages/dc/server/components/ServerFormDialog.vue
+++ b/src/views/ops/pages/dc/server/components/ServerFormDialog.vue
@@ -47,27 +47,13 @@
         </a-col>
       </a-row>
 
-      <a-form-item field="location" label="位置/机房信息">
-        <a-input-group>
-          <a-input
-            v-model="formData.location"
-            placeholder="请输入或选择位置信息"
-          />
-          <a-select
-            v-model="selectedLocation"
-            placeholder="选择位置"
-            style="width: 200px"
-            @change="handleLocationSelect"
-          >
-            <a-option
-              v-for="location in locationOptions"
-              :key="location.value"
-              :value="location.value"
-            >
-              {{ location.label }}
-            </a-option>
-          </a-select>
-        </a-input-group>
+      <a-form-item field="rack_id" label="数据中心/楼层/机柜">
+        <DatacenterSelector
+          ref="datacenterSelectorRef"
+          v-model:datacenter-id="formData.datacenter_id"
+          v-model:floor-id="formData.floor_id"
+          v-model:rack-id="formData.rack_id"
+        />
       </a-form-item>
 
       <a-form-item field="tags" label="服务器标签">
@@ -125,6 +111,7 @@ import { ref, reactive, computed, watch } from 'vue'
 import { Message } from '@arco-design/web-vue'
 import { v4 as uuidv4 } from 'uuid'
 import type { FormInstance } from '@arco-design/web-vue'
+import DatacenterSelector from './DatacenterSelector.vue'
 
 interface Props {
   visible: boolean
@@ -139,7 +126,7 @@ const emit = defineEmits(['update:visible', 'success'])
 
 const formRef = ref<FormInstance>()
 const confirmLoading = ref(false)
-const selectedLocation = ref('')
+const datacenterSelectorRef = ref<InstanceType<typeof DatacenterSelector>>()
 
 const isEdit = computed(() => !!props.record?.id)
 
@@ -148,7 +135,9 @@ const formData = reactive({
   name: '',
   server_type: '',
   os: '',
-  location: '',
+  datacenter_id: undefined as number | undefined,
+  floor_id: undefined as number | undefined,
+  rack_id: undefined as number | undefined,
   tags: '',
   ip: '',
   remote_port: '',
@@ -164,27 +153,41 @@ const rules = {
   os: [{ required: true, message: '请选择操作系统' }],
 }
 
-const locationOptions = ref([
-  { label: 'A数据中心-3层-24机柜-5U位', value: 'A数据中心-3层-24机柜-5U位' },
-  { label: 'A数据中心-3层-24机柜-6U位', value: 'A数据中心-3层-24机柜-6U位' },
-  { label: 'B数据中心-1层-12机柜-1U位', value: 'B数据中心-1层-12机柜-1U位' },
-  { label: 'B数据中心-1层-12机柜-2U位', value: 'B数据中心-1层-12机柜-2U位' },
-  { label: 'C数据中心-2层-8机柜-3U位', value: 'C数据中心-2层-8机柜-3U位' },
-])
-
 watch(
   () => props.visible,
   (val) => {
     if (val) {
       if (isEdit.value && props.record) {
-        Object.assign(formData, props.record)
+        Object.assign(formData, {
+          unique_id: props.record.unique_id || '',
+          name: props.record.name || '',
+          server_type: props.record.server_type || '',
+          os: props.record.os || '',
+          datacenter_id: props.record.datacenter_id,
+          floor_id: props.record.floor_id,
+          rack_id: props.record.rack_id,
+          tags: props.record.tags || '',
+          ip: props.record.ip || '',
+          remote_port: props.record.remote_port || '',
+          agent_url: props.record.agent_url || '',
+          data_collection: props.record.data_collection || false,
+          collection_interval: props.record.collection_interval || 5,
+          remark: props.record.remark || '',
+        })
+        
+        // 编辑模式下初始化加载下级列表
+        if (props.record.datacenter_id) {
+          datacenterSelectorRef.value?.initLoad()
+        }
       } else {
         Object.assign(formData, {
           unique_id: '',
           name: '',
           server_type: '',
           os: '',
-          location: '',
+          datacenter_id: undefined,
+          floor_id: undefined,
+          rack_id: undefined,
           tags: '',
           ip: '',
           remote_port: '',
@@ -193,15 +196,12 @@ watch(
           collection_interval: 5,
           remark: '',
         })
+        datacenterSelectorRef.value?.reset()
       }
     }
   }
 )
 
-const handleLocationSelect = (value: string) => {
-  formData.location = value
-}
-
 const handleOk = async () => {
   try {
     await formRef.value?.validate()