diff --git a/src/api/iot/devicemodelattribute/index.ts b/src/api/iot/devicemodelattribute/index.ts
index c589c9cc..8694e034 100644
--- a/src/api/iot/devicemodelattribute/index.ts
+++ b/src/api/iot/devicemodelattribute/index.ts
@@ -45,4 +45,13 @@ export const DeviceModelAttributeApi = {
   exportDeviceModelAttribute: async (params) => {
     return await request.download({ url: `/iot/device-model-attribute/export-excel`, params })
   },
+
+  operationAnalysisDetails: async (params: {
+    deviceId: number
+    modelId: number
+    collectionStartTime?: string
+    collectionEndTime?: string
+  }) => {
+    return await request.get({ url: `/iot/device-model-attribute/operationAnalysisDetails`, params })
+  }
 }
diff --git a/src/api/mes/organization/index.ts b/src/api/mes/organization/index.ts
index 9036e87a..9510afbd 100644
--- a/src/api/mes/organization/index.ts
+++ b/src/api/mes/organization/index.ts
@@ -16,6 +16,24 @@ export interface OrganizationVO {
   orgType: string // 组织类型
 }
 
+export type DeviceParameterAnalysisNodeVO = {
+  id: number | string
+  name: string
+  equipments?: {
+    id: number | string
+    name: string
+    parameters?: {
+      id: number | string
+      name: string
+      code?: string
+      type?: string | null
+      dataType?: string | null
+      unit?: string | null
+      ratio?: number | null
+    }[]
+  }[]
+}
+
 // 产线工位 API
 export const OrganizationApi = {
   // 查询产线工位列表
@@ -49,5 +67,9 @@ export const OrganizationApi = {
   // 导出产线工位 Excel
   exportOrganization: async (params) => {
     return await request.download({ url: `/mes/organization/export-excel`, params })
+  },
+
+  deviceParameterAnalysis: async (params: { keyword?: string }) => {
+    return await request.get({ url: `/mes/organization/deviceParameterAnalysis`, params })
   }
 }
diff --git a/src/views/iot/deviceParamAnalysis/index.vue b/src/views/iot/deviceParamAnalysis/index.vue
index 731424a0..cccd34b3 100644
--- a/src/views/iot/deviceParamAnalysis/index.vue
+++ b/src/views/iot/deviceParamAnalysis/index.vue
@@ -17,8 +17,6 @@
             :props="treeProps"
             node-key="id"
             highlight-current
-            :expand-on-click-node="false"
-            :filter-node-method="filterTreeNode"
             @node-click="handleTreeNodeClick"
           />
         </div>
@@ -61,7 +59,7 @@
         />
         <div v-loading="chartLoading">
           <el-empty v-if="!selectedParam" description="请选择左侧参数" />
-          <EChart v-else :options="chartOption" height="520px" />
+          <EChart v-else :key="chartRenderKey" :options="chartOption" height="70vh" />
         </div>
       </ContentWrap>
     </el-col>
@@ -72,6 +70,8 @@
 import type { EChartsOption } from 'echarts'
 import dayjs from 'dayjs'
 import { Echart as EChart } from '@/components/Echart'
+import { OrganizationApi } from '@/api/mes/organization'
+import { DeviceModelAttributeApi } from '@/api/iot/devicemodelattribute'
 
 defineOptions({ name: 'DeviceParamAnalysis' })
 
@@ -82,11 +82,31 @@ type DeviceTreeNode = {
   label: string
   type: TreeNodeType
   children?: DeviceTreeNode[]
-  deviceId?: string
+  deviceId?: number
+  modelId?: number
   paramKey?: string
   unit?: string
 }
 
+type ApiTreeParameter = {
+  id: number
+  name: string
+  code?: string
+  unit?: string | null
+}
+
+type ApiTreeEquipment = {
+  id: number
+  name: string
+  parameters?: ApiTreeParameter[]
+}
+
+type ApiTreeOrg = {
+  id: number
+  name: string
+  equipments?: ApiTreeEquipment[]
+}
+
 const message = useMessage()
 
 const treeRef = ref()
@@ -95,10 +115,14 @@ const keyword = ref('')
 const treeProps = { children: 'children', label: 'label' }
 const treeData = ref<DeviceTreeNode[]>([])
 
+const selectedDeviceId = ref<number | undefined>(undefined)
+const selectedModelId = ref<number | undefined>(undefined)
+
 const selectedParam = ref<DeviceTreeNode | null>(null)
 const chartLoading = ref(false)
 const chartXAxis = ref<string[]>([])
-const chartSeries = ref<number[]>([])
+const chartSeries = ref<{ name: string; data: Array<number | null> }[]>([])
+const chartRenderKey = ref(0)
 
 const buildDefaultDateRange = (): [string, string] => {
   const end = dayjs().endOf('day')
@@ -154,7 +178,8 @@ const chartOption = computed<EChartsOption>(() => {
   const unit = selectedParam.value?.unit
   return {
     tooltip: { trigger: 'axis' },
-    grid: { left: 30, right: 20, top: 20, bottom: 40, containLabel: true },
+    legend: { top: 10, left: 'center', type: 'scroll' },
+    grid: { left: 50, right: 60, top: 80, bottom: 40, containLabel: true },
     xAxis: {
       type: 'category',
       boundaryGap: false,
@@ -164,96 +189,73 @@ const chartOption = computed<EChartsOption>(() => {
       type: 'value',
       name: unit || ''
     },
-    series: [
-      {
-        type: 'line',
-        name: selectedParam.value?.label || '参数',
-        smooth: true,
-        showSymbol: false,
-        data: chartSeries.value
-      }
-    ]
+    series: chartSeries.value.map((s) => ({
+      type: 'line',
+      name: s.name,
+      smooth: false,
+      showSymbol: false,
+      data: s.data
+    }))
   }
 })
 
+let keywordTimer: number | undefined
 const handleKeywordChange = () => {
-  treeRef.value?.filter(keyword.value)
-}
-
-const filterTreeNode = (value: string, data: DeviceTreeNode) => {
-  if (!value) return true
-  return data.label?.toLowerCase().includes(value.toLowerCase())
-}
-
-const mockFetchTree = async (): Promise<DeviceTreeNode[]> => {
-  const devices = [
-    { id: 'D-1001', label: '压合机-01' },
-    { id: 'D-1002', label: '烘干线-02' },
-    { id: 'D-1003', label: '制浆机-03' },
-    { id: 'D-1004', label: '包装机-04' }
-  ]
-
-  const params = [
-    { key: 'temp', label: '温度', unit: '℃' },
-    { key: 'pressure', label: '压力', unit: 'kPa' },
-    { key: 'speed', label: '速度', unit: 'm/s' },
-    { key: 'power', label: '功率', unit: 'kW' },
-    { key: 'current', label: '电流', unit: 'A' }
-  ]
-
-  await new Promise((resolve) => setTimeout(resolve, 200))
-
-  return devices.map((d) => ({
-    id: d.id,
-    label: d.label,
-    type: 'device',
-    deviceId: d.id,
-    children: params.map((p) => ({
-      id: `${d.id}::${p.key}`,
-      label: p.label,
-      type: 'param',
-      deviceId: d.id,
-      paramKey: p.key,
-      unit: p.unit
-    }))
-  }))
-}
-
-const buildSeriesSeed = (key: string) => {
-  let hash = 0
-  for (let i = 0; i < key.length; i++) {
-    hash = (hash << 5) - hash + key.charCodeAt(i)
-    hash |= 0
-  }
-  return Math.abs(hash)
+  if (keywordTimer) window.clearTimeout(keywordTimer)
+  keywordTimer = window.setTimeout(() => {
+    loadTree()
+  }, 300)
 }
 
-const mockFetchSeries = async (args: { deviceId: string; paramKey: string; start: string; end: string }) => {
-  await new Promise((resolve) => setTimeout(resolve, 250))
-
-  const start = dayjs(args.start)
-  const end = dayjs(args.end)
-  const diff = Math.max(end.startOf('day').diff(start.startOf('day'), 'day'), 0)
-  const count = Math.min(diff + 1, 366)
-  const x: string[] = []
-  const y: number[] = []
-  const seed = buildSeriesSeed(`${args.deviceId}::${args.paramKey}`)
-  const base = 20 + (seed % 30)
-  const amp = 5 + (seed % 10)
-
-  for (let i = 0; i < count; i++) {
-    const d = start.add(i, 'day')
-    x.push(d.format('YYYY-MM-DD'))
-    const v = base + Math.sin(i / 2) * amp + ((seed % 7) - 3) * 0.6
-    y.push(Number(v.toFixed(2)))
-  }
-  return { x, y }
+const buildTreeFromApi = (orgs: ApiTreeOrg[]): DeviceTreeNode[] => {
+  return (
+    orgs?.map((org) => {
+      const equipments = Array.isArray(org?.equipments) ? org.equipments : []
+      const equipmentNodes: DeviceTreeNode[] = equipments.map((eq) => {
+        const params = Array.isArray(eq?.parameters) ? eq.parameters : []
+        const paramNodes: DeviceTreeNode[] = params.map((p) => ({
+          id: `param-${eq.id}-${p.id}`,
+          label: p?.name ?? p?.code ?? String(p?.id ?? ''),
+          type: 'param',
+          deviceId: Number(eq.id),
+          modelId: Number(p.id),
+          paramKey: p?.code ? String(p.code) : undefined,
+          unit: p?.unit ? String(p.unit) : undefined
+        }))
+
+        return {
+          id: `equipment-${org.id}-${eq.id}`,
+          label: eq?.name ?? String(eq?.id ?? ''),
+          type: 'device',
+          children: paramNodes.length ? paramNodes : undefined
+        }
+      })
+
+      return {
+        id: `org-${org.id}`,
+        label: org?.name ?? String(org?.id ?? ''),
+        type: 'device',
+        children: equipmentNodes.length ? equipmentNodes : undefined
+      }
+    }) ?? []
+  )
 }
 
 const loadTree = async () => {
   treeLoading.value = true
   try {
-    treeData.value = await mockFetchTree()
+    const data = await OrganizationApi.deviceParameterAnalysis({ keyword: keyword.value || undefined })
+    treeData.value = buildTreeFromApi(Array.isArray(data) ? (data as ApiTreeOrg[]) : [])
+    if (keyword.value) {
+      treeRef.value?.setCurrentKey?.(undefined)
+      selectedParam.value = null
+      selectedDeviceId.value = undefined
+      selectedModelId.value = undefined
+      chartXAxis.value = []
+      chartSeries.value = []
+    }
+  } catch {
+    message.error('获取树数据失败')
   } finally {
     treeLoading.value = false
   }
@@ -265,19 +267,95 @@ const ensureDateRange = () => {
   }
 }
 
+const resetChartData = () => {
+  chartXAxis.value = []
+  chartSeries.value = []
+  chartRenderKey.value++
+}
+
+const toNumber = (value: any) => {
+  if (typeof value === 'number') return value
+  if (typeof value === 'string') {
+    const n = Number(value)
+    return Number.isFinite(n) ? n : 0
+  }
+  if (Array.isArray(value)) return 0
+  if (value && typeof value === 'object') {
+    const maybe = value.value ?? value.val ?? value.count ?? value.amount
+    const n = Number(maybe)
+    return Number.isFinite(n) ? n : 0
+  }
+  return 0
+}
+
 const fetchChart = async () => {
   const param = selectedParam.value
-  if (!param?.deviceId || !param.paramKey) return
+  if (!selectedDeviceId.value || !selectedModelId.value) return
 
   ensureDateRange()
   const [start, end] = dateRange.value
   if (!start || !end) return
 
+  const buildDateTime = (date: string, suffix: string) => {
+    return date.includes(':') ? date : `${date} ${suffix}`
+  }
+
   chartLoading.value = true
+  resetChartData()
   try {
-    const res = await mockFetchSeries({ deviceId: param.deviceId, paramKey: param.paramKey, start, end })
-    chartXAxis.value = res.x
-    chartSeries.value = res.y
+    const data = await DeviceModelAttributeApi.operationAnalysisDetails({
+      deviceId: selectedDeviceId.value,
+      modelId: selectedModelId.value,
+      collectionStartTime: buildDateTime(start, '00:00:00'),
+      collectionEndTime: buildDateTime(end, '23:59:59')
+    })
+    const rows: Record<string, any>[] = Array.isArray(data) ? data : []
+    if (!rows.length) {
+      chartXAxis.value = []
+      chartSeries.value = []
+      return
+    }
+
+    const firstRow = rows[0] || {}
+    const keys = Object.keys(firstRow)
+    const xKey = keys.find((k) => /time|date|时间|日期/i.test(k))
+    if (xKey) {
+      const sortedRows = [...rows].sort((a, b) =>
+        String(a?.[xKey] ?? '').localeCompare(String(b?.[xKey] ?? ''))
+      )
+      chartXAxis.value = sortedRows.map((r) => String(r?.[xKey] ?? ''))
+
+      const seriesKeys = keys.filter((k) => k !== xKey)
+      const seriesMap = new Map<string, Array<number | null>>()
+      const ensureSeries = (name: string) => {
+        if (!seriesMap.has(name)) {
+          seriesMap.set(name, Array(sortedRows.length).fill(null))
+        }
+        return seriesMap.get(name)!
+      }
+
+      sortedRows.forEach((row, rowIndex) => {
+        seriesKeys.forEach((k) => {
+          const v = row?.[k]
+          if (Array.isArray(v)) {
+            v.forEach((item) => {
+              const name = String(item?.attributeName ?? k)
+              const series = ensureSeries(name)
+              series[rowIndex] = toNumber(item?.addressValue ?? item?.value ?? item?.val)
+            })
+            return
+          }
+          const series = ensureSeries(k)
+          series[rowIndex] = toNumber(v)
+        })
+      })
+
+      chartSeries.value = Array.from(seriesMap.entries()).map(([name, data]) => ({ name, data }))
+    } else {
+      chartXAxis.value = keys
+      const values = keys.map((k) => toNumber(firstRow[k]))
+      chartSeries.value = [{ name: param?.label || '参数', data: values }]
+    }
   } catch {
     message.error('获取图表数据失败')
   } finally {
@@ -288,6 +366,8 @@ const fetchChart = async () => {
 const handleTreeNodeClick = async (data: DeviceTreeNode) => {
   if (data.type !== 'param') return
   selectedParam.value = data
+  selectedDeviceId.value = data.deviceId
+  selectedModelId.value = data.modelId
   dateRange.value = buildDefaultDateRange()
   await fetchChart()
 }