diff --git a/packages/client/ui-trajectory/tests/client-bundle.client.spec.ts b/packages/client/ui-trajectory/tests/client-bundle.client.spec.ts
index a50cf0fe4d..8a6751993a 100644
--- a/packages/client/ui-trajectory/tests/client-bundle.client.spec.ts
+++ b/packages/client/ui-trajectory/tests/client-bundle.client.spec.ts
@@ -11,7 +11,7 @@ import { readFileSync } from 'node:fs'
 import { resolve } from 'node:path'
 import { Context } from '@deepseek-ai/cordis'
 import { stubConfigForm } from '@deepseek-ai/dsh-client-test-runtime'
-import { afterEach, describe, expect, it } from 'vitest'
+import { afterEach, describe, expect, it, onTestFinished } from 'vitest'
 import { UiConversation } from '@deepseek-ai/dsh-client-ui-conversation/client'
 import { SlotRegistry } from '@deepseek-ai/dsh-client-ui-renderer/client'
 
@@ -73,6 +73,7 @@ describe('tsdown client artifact', () => {
   it.skipIf(code === undefined)('mounted as an object plugin, apply registers the view tab on the real ring', async () => {
     const { exports } = await loadArtifact()
     const ctx = new Context()
+    onTestFinished(() => ctx.fiber.dispose())
     const slots = new SlotRegistry(ctx)
     ctx.provide('uiSession', { provide: () => () => {} } as never)
     // The conversation entry's role: the ring must be declared before riders land.
@@ -92,7 +93,7 @@ describe('tsdown client artifact', () => {
     ctx.provide('remote', { $on: () => () => {} } as never)
     ctx.provide('configForms', { developerTools: { enabled: createSnapshotStore(true) }, get: () => stubConfigForm().scope } as never)
     const locale = await import('@deepseek-ai/dsh-client-locale/client')
-    ctx.plugin({ inject: [...locale.inject], apply: locale.apply })
+    await ctx.plugin({ inject: [...locale.inject], apply: locale.apply })
     const fiber = ctx.plugin(exports as { apply: (ctx: Context) => void })
     await fiber.await()
     expect(slots.entries('conversation.view').map(e => e.options.id)).toEqual(['trajectory'])