diff --git a/packages/core/server/src/__tests__/sync-message-manager.test.ts b/packages/core/server/src/__tests__/sync-message-manager.test.ts
index 31a35921c1..0fef6d7afd 100644
--- a/packages/core/server/src/__tests__/sync-message-manager.test.ts
+++ b/packages/core/server/src/__tests__/sync-message-manager.test.ts
@@ -13,7 +13,7 @@ import { createMockCluster, sleep } from '@nocobase/test';
 describe('sync-message-manager', () => {
   test('subscribe + publish', async () => {
     const cluster = await createMockCluster();
-    const [node1, node2] = cluster.instances;
+    const [node1, node2] = cluster.nodes;
     const mockListener = vi.fn();
     await node1.syncMessageManager.subscribe('test1', mockListener);
     await node2.syncMessageManager.subscribe('test1', mockListener);
@@ -26,7 +26,7 @@ describe('sync-message-manager', () => {
 
   test('transaction', async () => {
     const cluster = await createMockCluster();
-    const [node1, node2] = cluster.instances;
+    const [node1, node2] = cluster.nodes;
     const mockListener = vi.fn();
     await node1.syncMessageManager.subscribe('test1', mockListener);
     const transaction = await node2.db.sequelize.transaction();
@@ -54,7 +54,7 @@ describe('sync-message-manager', () => {
     const cluster = await createMockCluster({
       plugins: [MyPlugin],
     });
-    const [app1, app2] = cluster.instances;
+    const [app1, app2] = cluster.nodes;
     await app1.pm.get(MyPlugin).sendSyncMessage('message1');
     expect(mockListener).toBeCalledTimes(1);
     expect(mockListener).toHaveBeenCalledWith('message1');
@@ -77,7 +77,7 @@ describe('sync-message-manager', () => {
     const cluster = await createMockCluster({
       plugins: [MyPlugin],
     });
-    const [app1, app2] = cluster.instances;
+    const [app1, app2] = cluster.nodes;
     const transaction = await app1.db.sequelize.transaction();
     app1.pm.get(MyPlugin).sendSyncMessage('message1', { transaction });
     await sleep(1000);
diff --git a/packages/core/test/src/server/mock-server.ts b/packages/core/test/src/server/mock-server.ts
index 244c135aab..fd563f50a0 100644
--- a/packages/core/test/src/server/mock-server.ts
+++ b/packages/core/test/src/server/mock-server.ts
@@ -269,7 +269,7 @@ export async function createMockCluster(
     skipStart?: boolean;
   } = {},
 ) {
-  const instances: MockServer[] = [];
+  const nodes: MockServer[] = [];
   const clusterName = options.name || `cluster_${uid()}`;
   const appName = options.appName || `app_${uid()}`;
   for (const i of _.range(0, options.number || 2)) {
@@ -281,13 +281,13 @@ export async function createMockCluster(
         channelPrefix: clusterName,
       },
     });
-    instances.push(app);
+    nodes.push(app);
   }
   return {
-    instances,
+    nodes,
     async destroy() {
-      for (const instance of instances) {
-        await instance.destroy();
+      for (const node of nodes) {
+        await node.destroy();
       }
     },
   };