diff --git a/spx-gui/src/models/gen/animation-gen.ts b/spx-gui/src/models/gen/animation-gen.ts
index 5029f8954..028185806 100644
--- a/spx-gui/src/models/gen/animation-gen.ts
+++ b/spx-gui/src/models/gen/animation-gen.ts
@@ -7,7 +7,8 @@ import {
   type AnimationSettings,
   enrichAnimationSettings,
   type TaskParamsExtractVideoFrames,
-  TaskType
+  TaskType,
+  TaskStatus
 } from '@/apis/aigc'
 import type { Project } from '../project'
 import { Sprite } from '../sprite'
@@ -75,8 +76,11 @@ export class AnimationGen extends Disposable {
     return reactive(this) as this
   }
 
+  /** Get IDs for (completed) tasks. */
   getTaskIds() {
-    return [this.generateVideoTask, this.extractFramesTask].map((t) => t.data?.id).filter((id) => id != null)
+    return [this.generateVideoTask, this.extractFramesTask]
+      .filter((t) => t.data?.status === TaskStatus.Completed)
+      .map((t) => t.data!.id)
   }
 
   get name() {
diff --git a/spx-gui/src/models/gen/backdrop-gen.ts b/spx-gui/src/models/gen/backdrop-gen.ts
index ddddaddf7..e4bdde06f 100644
--- a/spx-gui/src/models/gen/backdrop-gen.ts
+++ b/spx-gui/src/models/gen/backdrop-gen.ts
@@ -2,7 +2,7 @@ import { nanoid } from 'nanoid'
 import { reactive } from 'vue'
 import { Disposable } from '@/utils/disposable'
 import { ArtStyle, BackdropCategory, Perspective } from '@/apis/common'
-import { adoptAsset, enrichBackdropSettings, TaskType, type BackdropSettings } from '@/apis/aigc'
+import { adoptAsset, enrichBackdropSettings, TaskType, TaskStatus, type BackdropSettings } from '@/apis/aigc'
 import type { File } from '../common/file'
 import { createFileWithUniversalUrl } from '../common/cloud'
 import { validateBackdropName } from '../common/asset-name'
@@ -104,7 +104,7 @@ export class BackdropGen extends Disposable {
   async recordAdoption() {
     const backdrop = this.result
     if (backdrop == null) throw new Error('result backdrop expected')
-    const taskIds = this.generateTask.data != null ? [this.generateTask.data.id] : []
+    const taskIds = this.generateTask.data?.status === TaskStatus.Completed ? [this.generateTask.data.id] : []
     const assetData = await backdrop2Asset(backdrop)
     const { name: displayName, description, ...extraSettings } = this.settings
     return adoptAsset({
diff --git a/spx-gui/src/models/gen/costume-gen.ts b/spx-gui/src/models/gen/costume-gen.ts
index f4d82b267..a606664e9 100644
--- a/spx-gui/src/models/gen/costume-gen.ts
+++ b/spx-gui/src/models/gen/costume-gen.ts
@@ -3,7 +3,7 @@ import { reactive } from 'vue'
 import type { Prettify } from '@/utils/types'
 import { Disposable } from '@/utils/disposable'
 import { ArtStyle, Perspective } from '@/apis/common'
-import { enrichCostumeSettings, Facing, TaskType, type CostumeSettings } from '@/apis/aigc'
+import { enrichCostumeSettings, Facing, TaskType, TaskStatus, type CostumeSettings } from '@/apis/aigc'
 import type { File } from '../common/file'
 import { ensureValidCostumeName, validateCostumeName } from '../common/asset-name'
 import { createFileWithUniversalUrl, saveFile } from '../common/cloud'
@@ -61,8 +61,9 @@ export class CostumeGen extends Disposable {
     return reactive(this) as this
   }
 
+  /** Get IDs for (completed) tasks. */
   getTaskIds() {
-    if (this.generateTask.data == null) return []
+    if (this.generateTask.data?.status !== TaskStatus.Completed) return []
     return [this.generateTask.data.id]
   }
 
diff --git a/spx-gui/src/models/gen/sprite-gen.ts b/spx-gui/src/models/gen/sprite-gen.ts
index 135847982..be298035d 100644
--- a/spx-gui/src/models/gen/sprite-gen.ts
+++ b/spx-gui/src/models/gen/sprite-gen.ts
@@ -10,6 +10,7 @@ import {
   type CostumeSettings,
   Facing,
   TaskType,
+  TaskStatus,
   adoptAsset
 } from '@/apis/aigc'
 import { Project } from '../project'
@@ -357,7 +358,7 @@ export class SpriteGen extends Disposable {
     const sprite = this.result
     if (sprite == null) throw new Error('result sprite expected')
     const taskIds = [
-      this.genImagesTask.data?.id,
+      this.genImagesTask.data?.status === TaskStatus.Completed ? this.genImagesTask.data.id : null,
       ...this.costumes.flatMap((c) => c.getTaskIds()),
       ...this.animations.flatMap((a) => a.getTaskIds())
     ].filter((id) => id != null)