diff --git a/src/components/rightSidePanel/RightSidePanel.test.ts b/src/components/rightSidePanel/RightSidePanel.test.ts
new file mode 100644
index 000000000..3081c425b
--- /dev/null
+++ b/src/components/rightSidePanel/RightSidePanel.test.ts
@@ -0,0 +1,95 @@
+import { mount } from '@vue/test-utils'
+import { createPinia, setActivePinia } from 'pinia'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import { nextTick, shallowRef } from 'vue'
+import { createI18n } from 'vue-i18n'
+
+import { useGraphNodeManager } from '@/composables/graph/useGraphNodeManager'
+import type { GraphNodeManager } from '@/composables/graph/useGraphNodeManager'
+import enMessages from '@/locales/en/main.json'
+import { LGraph, LGraphNode } from '@/lib/litegraph/src/litegraph'
+import { useCanvasStore } from '@/renderer/core/canvas/canvasStore'
+
+import RightSidePanel from './RightSidePanel.vue'
+
+const mockNodeManager = shallowRef<GraphNodeManager | null>(null)
+
+vi.mock('@/composables/graph/useVueNodeLifecycle', () => ({
+  useVueNodeLifecycle: () => ({
+    nodeManager: mockNodeManager
+  })
+}))
+
+// Mock useLayoutMutations (used by useGraphNodeManager)
+vi.mock('@/renderer/core/layout/operations/layoutMutations', () => ({
+  useLayoutMutations: () => ({
+    createNode: vi.fn(),
+    setSource: vi.fn()
+  })
+}))
+
+const createMountConfig = () => {
+  return {
+    global: {
+      stubs: {
+        TabParameters: true
+      },
+      plugins: [
+        createI18n({
+          legacy: false,
+          locale: 'en',
+          messages: { en: enMessages }
+        })
+      ]
+    }
+  }
+}
+
+const setupGraph = () => {
+  const graph = new LGraph()
+  mockNodeManager.value = useGraphNodeManager(graph)
+  return { graph, canvasStore: useCanvasStore() }
+}
+
+describe('RightSidePanel', () => {
+  beforeEach(() => {
+    setActivePinia(createPinia())
+    mockNodeManager.value = null
+  })
+
+  describe('title reactivity', () => {
+    it('updates panel title when node.title changes', async () => {
+      const { graph, canvasStore } = setupGraph()
+
+      const node = new LGraphNode('Original Title', 'TestNode')
+      graph.add(node)
+      canvasStore.selectedItems = [node]
+
+      const wrapper = mount(RightSidePanel, createMountConfig())
+      await nextTick()
+      expect(wrapper.text()).toContain('Original Title')
+
+      node.title = 'Updated Title'
+
+      await nextTick()
+      expect(wrapper.text()).toContain('Updated Title')
+    })
+
+    it('shows selection count message when multiple nodes are selected', async () => {
+      const { graph, canvasStore } = setupGraph()
+
+      const node1 = new LGraphNode('Node 1', 'TestNode')
+      const node2 = new LGraphNode('Node 2', 'TestNode')
+      graph.add(node1)
+      graph.add(node2)
+      canvasStore.selectedItems = [node1, node2]
+
+      const wrapper = mount(RightSidePanel, createMountConfig())
+      await nextTick()
+
+      expect(wrapper.text()).toContain('2')
+      expect(wrapper.text()).not.toContain('Node 1')
+      expect(wrapper.text()).not.toContain('Node 2')
+    })
+  })
+})
diff --git a/src/components/rightSidePanel/RightSidePanel.vue b/src/components/rightSidePanel/RightSidePanel.vue
index 4eb2ae31b..4008d9ab1 100644
--- a/src/components/rightSidePanel/RightSidePanel.vue
+++ b/src/components/rightSidePanel/RightSidePanel.vue
@@ -7,6 +7,7 @@ import EditableText from '@/components/common/EditableText.vue'
 import Tab from '@/components/tab/Tab.vue'
 import TabList from '@/components/tab/TabList.vue'
 import Button from '@/components/ui/button/Button.vue'
+import { useVueNodeLifecycle } from '@/composables/graph/useVueNodeLifecycle'
 import { SubgraphNode } from '@/lib/litegraph/src/litegraph'
 import type { LGraphNode } from '@/lib/litegraph/src/litegraph'
 import { useSettingStore } from '@/platform/settings/settingStore'
@@ -24,6 +25,7 @@ import SubgraphEditor from './subgraph/SubgraphEditor.vue'
 const canvasStore = useCanvasStore()
 const rightSidePanelStore = useRightSidePanelStore()
 const settingStore = useSettingStore()
+const { nodeManager } = useVueNodeLifecycle()
 const { t } = useI18n()
 
 const { selectedItems } = storeToRefs(canvasStore)
@@ -58,9 +60,16 @@ const selectedNode = computed(() => {
 
 const selectionCount = computed(() => selectedItems.value.length)
 
+const selectedNodeTitle = computed(() => {
+  if (!selectedNode.value) return null
+  const nodeId = String(selectedNode.value.id)
+  const nodeData = nodeManager.value?.vueNodeData.get(nodeId)
+  return nodeData?.title || selectedNode.value.title || selectedNode.value.type
+})
+
 const panelTitle = computed(() => {
   if (isSingleNodeSelected.value && selectedNode.value) {
-    return selectedNode.value.title || selectedNode.value.type || 'Node'
+    return selectedNodeTitle.value || 'Node'
   }
   return t('rightSidePanel.title', { count: selectionCount.value })
 })