diff --git a/src/views/iot/deviceParamAnalysis/index.vue b/src/views/iot/deviceParamAnalysis/index.vue
index 0353ca11..45dc7b84 100644
--- a/src/views/iot/deviceParamAnalysis/index.vue
+++ b/src/views/iot/deviceParamAnalysis/index.vue
@@ -78,6 +78,7 @@ import dayjs from 'dayjs'
 import { Echart as EChart } from '@/components/Echart'
 import { OrganizationApi } from '@/api/mes/organization'
 import { DeviceModelAttributeApi } from '@/api/iot/devicemodelattribute'
+import { handleTree } from '@/utils/tree'
 
 defineOptions({ name: 'DeviceParamAnalysis' })
 
@@ -110,7 +111,9 @@ type ApiTreeEquipment = {
 type ApiTreeOrg = {
   id: number
   name: string
+  parentId?: number | null
   equipments?: ApiTreeEquipment[]
+  children?: ApiTreeOrg[]
 }
 
 const message = useMessage()
@@ -215,37 +218,47 @@ const handleKeywordChange = () => {
 }
 
 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
-        }
-      })
+  const normalizedOrgs: ApiTreeOrg[] = (Array.isArray(orgs) ? orgs : []).map((o) => ({
+    ...o,
+    parentId: typeof o?.parentId === 'number' ? o.parentId : Number(o?.parentId ?? 0) || 0
+  }))
+
+  const orgTree = handleTree(normalizedOrgs, 'id', 'parentId', 'children') as ApiTreeOrg[]
+
+  const toOrgNode = (org: ApiTreeOrg): DeviceTreeNode => {
+    const orgChildren = Array.isArray(org?.children) ? org.children.map(toOrgNode) : []
+
+    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: `org-${org.id}`,
-        label: org?.name ?? String(org?.id ?? ''),
+        id: `equipment-${org.id}-${eq.id}`,
+        label: eq?.name ?? String(eq?.id ?? ''),
         type: 'device',
-        children: equipmentNodes.length ? equipmentNodes : undefined
+        children: paramNodes.length ? paramNodes : undefined
       }
-    }) ?? []
-  )
+    })
+
+    const children = [...orgChildren, ...equipmentNodes]
+    return {
+      id: `org-${org.id}`,
+      label: org?.name ?? String(org?.id ?? ''),
+      type: 'device',
+      children: children.length ? children : undefined
+    }
+  }
+
+  return Array.isArray(orgTree) ? orgTree.map(toOrgNode) : []
 }
 
 const loadTree = async () => {