feat: add Bailian image generation support

2026-07-14 12:58:50 +08:00
parent 9a3070c749
commit f642b5e71f
18 changed files with 464 additions and 74 deletions
--- a/lib/bailian/client.ts
+++ b/lib/bailian/client.ts
@@ -0,0 +1,158 @@
+import type { EnabledImageCapability, GenerationStatus } from "@/lib/types";
+import type { PromptMaterial } from "@/lib/prompt/assembler";
+import { toAbsoluteUrl } from "@/lib/server/runtime";
+
+export const BAILIAN_DEFAULT_BASE_URL = "https://llm-126wneubbdo6dbr5.cn-beijing.maas.aliyuncs.com/compatible-mode/v1";
+export const BAILIAN_IMAGE_MODEL = "wan2.7-image-pro";
+export const BAILIAN_VIDEO_MODEL = "wan2.7-i2v-2026-04-25";
+
+export type BailianTaskResponse = Record<string, unknown> & {
+  output?: Record<string, unknown>;
+  request_id?: string;
+  code?: string;
+  message?: string;
+};
+
+export function getBailianConfig() {
+  const compatibleBaseUrl = (process.env.BAILIAN_BASE_URL || BAILIAN_DEFAULT_BASE_URL).replace(/\/+$/, "");
+  return {
+    apiKey: process.env.BAILIAN_API_KEY?.trim() || process.env.DASHSCOPE_API_KEY?.trim(),
+    compatibleBaseUrl,
+    nativeBaseUrl: deriveBailianNativeBaseUrl(compatibleBaseUrl),
+    imageModel: process.env.BAILIAN_IMAGE_MODEL || BAILIAN_IMAGE_MODEL,
+    videoModel: process.env.BAILIAN_VIDEO_MODEL || BAILIAN_VIDEO_MODEL
+  };
+}
+
+export function deriveBailianNativeBaseUrl(baseUrl: string) {
+  return baseUrl.replace(/\/+$/, "").replace(/\/compatible-mode\/v1$/i, "");
+}
+
+export function shouldMockBailian() {
+  const flag = (process.env.BAILIAN_MOCK || "auto").trim().toLowerCase();
+  if (flag === "1" || flag === "true") return true;
+  return false;
+}
+
+export function buildBailianImagePayload(capability: EnabledImageCapability, input: Record<string, unknown>) {
+  if (capability !== "image.generate") throw new Error("百炼渠道当前仅支持图片生成与参考图生图。");
+  const prompt = String(input.prompt || "").trim();
+  if (!prompt) throw new Error("图片生成提示词不能为空。");
+  const imageUrls = stringArray(input.imageUrls);
+  if (imageUrls.length > 9) throw new Error("百炼参考图生图最多支持 9 张图片。");
+  const width = numberValue(input.width);
+  const height = numberValue(input.height);
+  validateBailianImageSize(width, height, imageUrls.length > 0);
+  return {
+    model: getBailianConfig().imageModel,
+    input: {
+      messages: [{
+        role: "user",
+        content: [...imageUrls.map((image) => ({ image })), { text: prompt }]
+      }]
+    },
+    parameters: {
+      size: width && height ? `${width}*${height}` : "2K",
+      n: 1,
+      watermark: false,
+      ...(imageUrls.length ? {} : { thinking_mode: true })
+    }
+  };
+}
+
+export function validateBailianImageSize(width?: number, height?: number, editing = false) {
+  if (!width && !height) return;
+  if (!width || !height || !Number.isInteger(width) || !Number.isInteger(height)) throw new Error("百炼图片宽高必须为整数。");
+  const pixels = width * height;
+  const minPixels = 768 * 768;
+  const maxPixels = (editing ? 2048 : 4096) ** 2;
+  if (pixels < minPixels || pixels > maxPixels) throw new Error(`百炼${editing ? "参考图生图" : "文生图"}总像素须在 768×768 至 ${editing ? "2048×2048" : "4096×4096"} 之间。`);
+  const ratio = width / height;
+  if (ratio < 1 / 8 || ratio > 8) throw new Error("百炼图片宽高比须在 1:8 至 8:1 之间。");
+}
+
+export function buildBailianVideoPayload(input: { prompt: string; materials: PromptMaterial[]; origin: string; settings: Record<string, unknown> }) {
+  const images = input.materials.filter((item) => item.type === "image");
+  if (images.length < 1 || images.length > 2 || input.materials.some((item) => item.type !== "image")) {
+    throw new Error("百炼图生视频仅支持 1 张首帧图，或 2 张首尾帧图。");
+  }
+  const duration = numberValue(input.settings.duration) ?? 10;
+  if (!Number.isInteger(duration) || duration < 2 || duration > 15) throw new Error("百炼视频时长须为 2–15 秒。");
+  const resolution = String(input.settings.resolution || "720P").toUpperCase();
+  if (resolution !== "720P" && resolution !== "1080P") throw new Error("百炼视频分辨率仅支持 720P 或 1080P。");
+  return {
+    model: getBailianConfig().videoModel,
+    input: {
+      prompt: input.prompt,
+      media: images.map((item, index) => ({
+        type: index === 0 ? "first_frame" : "last_frame",
+        url: toAbsoluteUrl(item.url, input.origin)
+      }))
+    },
+    parameters: { resolution, duration, prompt_extend: true, watermark: false }
+  };
+}
+
+export async function submitBailianTask(kind: "image" | "video", payload: Record<string, unknown>) {
+  const config = requiredConfig();
+  const path = kind === "image"
+    ? "/api/v1/services/aigc/image-generation/generation"
+    : "/api/v1/services/aigc/video-generation/video-synthesis";
+  return bailianFetch(`${config.nativeBaseUrl}${path}`, config.apiKey, {
+    method: "POST",
+    headers: { "X-DashScope-Async": "enable" },
+    body: JSON.stringify(payload)
+  });
+}
+
+export async function queryBailianTask(taskId: string) {
+  const config = requiredConfig();
+  return bailianFetch(`${config.nativeBaseUrl}/api/v1/tasks/${encodeURIComponent(taskId)}`, config.apiKey);
+}
+
+export function bailianTaskId(response: BailianTaskResponse) {
+  return stringValue(response.output?.task_id) || stringValue(response.task_id);
+}
+
+export function bailianStatus(response: BailianTaskResponse): GenerationStatus {
+  const value = String(response.output?.task_status || response.status || "").toUpperCase();
+  if (["SUCCEEDED", "SUCCESS", "COMPLETED"].includes(value)) return "succeeded";
+  if (["FAILED", "UNKNOWN"].includes(value)) return "failed";
+  if (["CANCELED", "CANCELLED"].includes(value)) return "cancelled";
+  if (["RUNNING", "PROCESSING"].includes(value)) return "running";
+  return "queued";
+}
+
+export function bailianResultUrls(response: BailianTaskResponse, kind: "image" | "video") {
+  const output = response.output || {};
+  if (kind === "video") return [stringValue(output.video_url)].filter(Boolean) as string[];
+  const results = Array.isArray(output.results) ? output.results : [];
+  const resultUrls = results.map((item) => stringValue((item as Record<string, unknown>)?.url)).filter(Boolean) as string[];
+  const choices = Array.isArray(output.choices) ? output.choices : [];
+  const choiceUrls = choices.flatMap((choice) => {
+    const message = (choice as Record<string, unknown>)?.message as Record<string, unknown> | undefined;
+    const content = Array.isArray(message?.content) ? message.content : [];
+    return content.map((item) => stringValue((item as Record<string, unknown>)?.image)).filter(Boolean) as string[];
+  });
+  return [...resultUrls, ...choiceUrls];
+}
+
+async function bailianFetch(url: string, apiKey: string, init: RequestInit = {}) {
+  const response = await fetch(url, {
+    ...init,
+    headers: { Authorization: `Bearer ${apiKey}`, "Content-Type": "application/json", ...(init.headers || {}) }
+  });
+  const json = await response.json().catch(() => ({})) as BailianTaskResponse;
+  if (!response.ok) throw new Error(`百炼 API 请求失败：${response.status} ${json.message || JSON.stringify(json)}`);
+  return json;
+}
+
+function requiredConfig() {
+  const config = getBailianConfig();
+  if (!config.apiKey) throw new Error("缺少 BAILIAN_API_KEY。");
+  return { ...config, apiKey: config.apiKey };
+}
+
+function stringArray(value: unknown) { return Array.isArray(value) ? value.filter((item): item is string => typeof item === "string" && Boolean(item)) : []; }
+function stringValue(value: unknown) { return typeof value === "string" && value ? value : undefined; }
+function numberValue(value: unknown) { const number = Number(value); return Number.isFinite(number) ? number : undefined; }
--- a/lib/evolink/image-client.ts
+++ b/lib/evolink/image-client.ts
@@ -1,6 +1,6 @@
 import type { EnabledImageCapability, GenerationStatus } from "@/lib/types";

-export type ImageCreationEngine = "jimeng" | "evolink";
+export type ImageCreationEngine = "jimeng" | "evolink" | "bailian";

 export type EvolinkImageSettings = {
  apiKey?: string;
@@ -29,7 +29,7 @@ export type EvolinkTaskResponse = {

 export function getSelectedImageEngine(): ImageCreationEngine {
  const value = (process.env.IMAGE_CREATION_ENGINE || process.env.IMAGE_PROVIDER || "jimeng").trim().toLowerCase();
-  return value === "evolink" ? "evolink" : "jimeng";
+  return value === "evolink" || value === "bailian" ? value : "jimeng";
 }

 export function getEffectiveImageEngine(capability: EnabledImageCapability, override?: unknown): ImageCreationEngine {
@@ -44,6 +44,7 @@ export function getEffectiveImageEngine(capability: EnabledImageCapability, over
 export function normalizeImageEngine(value: unknown): ImageCreationEngine | undefined {
  const normalized = typeof value === "string" ? value.trim().toLowerCase() : "";
  if (normalized === "evolink") return "evolink";
+  if (normalized === "bailian") return "bailian";
  if (normalized === "jimeng") return "jimeng";
  return undefined;
 }
@@ -51,6 +52,7 @@ export function normalizeImageEngine(value: unknown): ImageCreationEngine | unde
 function selectedEngineFrom(value: string | undefined): ImageCreationEngine {
  const normalized = (value || "").trim().toLowerCase();
  if (normalized === "evolink") return "evolink";
+  if (normalized === "bailian") return "bailian";
  if (normalized === "jimeng") return "jimeng";
  return getSelectedImageEngine();
 }
--- a/lib/server/app-settings.ts
+++ b/lib/server/app-settings.ts
@@ -8,6 +8,7 @@ import { accountManagementConfigured } from "@/lib/server/organization-client";
 import { rootDir } from "@/lib/server/runtime";
 import { shouldMockVisualApi } from "@/lib/volcengine/visual-client";
 import type { EnabledImageCapability } from "@/lib/types";
+import { getBailianConfig, shouldMockBailian } from "@/lib/bailian/client";

 export type SettingsField = {
  key: string;
@@ -133,6 +134,18 @@ const settingDefinitions: Array<{
      { key: "SEEDANCE_API_KEY", label: "方舟 API Key", secret: true, type: "password" }
    ]
  },
+  {
+    id: "bailian",
+    title: "阿里云百炼 API",
+    description: "用于万相 2.7 文生图、参考图生图和图生视频。Base URL 会自动派生原生异步接口。",
+    fields: [
+      { key: "BAILIAN_API_KEY", label: "百炼 API Key", secret: true, type: "password" },
+      { key: "BAILIAN_BASE_URL", label: "Base URL", defaultValue: "https://llm-126wneubbdo6dbr5.cn-beijing.maas.aliyuncs.com/compatible-mode/v1" },
+      { key: "BAILIAN_IMAGE_MODEL", label: "图片模型", defaultValue: "wan2.7-image-pro" },
+      { key: "BAILIAN_VIDEO_MODEL", label: "视频模型", defaultValue: "wan2.7-i2v-2026-04-25" },
+      { key: "BAILIAN_MOCK", label: "Mock 策略", type: "select", defaultValue: "auto", options: [{ label: "自动", value: "auto" }, { label: "总是 Mock", value: "true" }, { label: "总是真实接口", value: "false" }] }
+    ]
+  },
  {
    id: "oss",
    title: "OSS 资产存储",
@@ -155,7 +168,18 @@ const engineFieldDefinitions: FieldDefinition[] = [
    defaultValue: "jimeng",
    options: [
      { label: "即梦 / 火山视觉", value: "jimeng" },
-      { label: "EvoLink GPT Image 2", value: "evolink" }
+      { label: "EvoLink GPT Image 2", value: "evolink" },
+      { label: "阿里云百炼 Wan 2.7", value: "bailian" }
+    ]
+  },
+  {
+    key: "VIDEO_GENERATE_ENGINE",
+    label: "视频生成",
+    type: "select",
+    defaultValue: "seedance",
+    options: [
+      { label: "Seedance", value: "seedance" },
+      { label: "阿里云百炼 Wan 2.7", value: "bailian" }
    ]
  },
  {
@@ -197,6 +221,7 @@ export async function getApiSettings() {
      visual: shouldMockVisualApi() ? "mock" : "real",
      evolink: shouldMockEvolinkApi() ? "mock" : "real",
      seedance: shouldMockSeedance() ? "mock" : "real",
+      bailian: shouldMockBailian() ? "mock" : getBailianConfig().apiKey ? "real" : "missing",
      auth: authConfigSummary(auth),
      organization: accountManagementConfigured() ? "configured" : "missing",
      data: process.env.SUPABASE_SERVICE_ROLE_KEY ? "supabase" : "local"
@@ -215,10 +240,10 @@ export async function getApiSettings() {
      }),
      {
        id: "video.generate",
-        label: "Seedance 视频生成",
-        reqKey: seedance.model,
-        engine: "seedance",
-        engineLabel: "Seedance",
+        label: "视频生成",
+        reqKey: engineAssignments.find((item) => item.id === "video.generate")?.reqKey || seedance.model,
+        engine: engineAssignments.find((item) => item.id === "video.generate")?.engine || "seedance",
+        engineLabel: engineAssignments.find((item) => item.id === "video.generate")?.engineLabel || "Seedance",
        enabled: true
      }
    ],
@@ -252,15 +277,16 @@ function buildEngineAssignments(fileEnv: Map<string, string>): EngineAssignment[
  const capabilities = getJimengCapabilities();
  const evolink = getEvolinkImageSettings();
  const seedance = getSeedanceConfig();
+  const bailian = getBailianConfig();
  const generateEngine = currentEngineValue(engineFieldDefinitions[0], fileEnv);
-  const inpaintEngine = currentEngineValue(engineFieldDefinitions[1], fileEnv);
+  const inpaintEngine = currentEngineValue(engineFieldDefinitions[2], fileEnv);

  return [
    imageEngineAssignment({
      capability: "image.generate",
      label: "图片生成",
      engine: generateEngine,
-      reqKey: generateEngine === "evolink" ? evolink.model : capabilities["image.generate"].reqKey,
+      reqKey: generateEngine === "bailian" ? bailian.imageModel : generateEngine === "evolink" ? evolink.model : capabilities["image.generate"].reqKey,
      field: engineFieldDefinitions[0],
      fileEnv
    }),
@@ -269,7 +295,7 @@ function buildEngineAssignments(fileEnv: Map<string, string>): EngineAssignment[
      label: "局部重绘",
      engine: inpaintEngine,
      reqKey: inpaintEngine === "evolink" ? evolink.model : capabilities["image.inpaint"].reqKey,
-      field: engineFieldDefinitions[1],
+      field: engineFieldDefinitions[2],
      fileEnv
    }),
    {
@@ -285,12 +311,13 @@ function buildEngineAssignments(fileEnv: Map<string, string>): EngineAssignment[
    {
      id: "video.generate",
      label: "视频生成",
-      engine: "seedance",
-      engineLabel: "Seedance",
-      mode: shouldMockSeedance() ? "mock" : "seedance",
-      modeLabel: shouldMockSeedance() ? "Mock" : "Seedance 真实接口",
-      reqKey: seedance.model,
-      configurable: false
+      engine: currentVideoEngineValue(engineFieldDefinitions[1], fileEnv),
+      engineLabel: currentVideoEngineValue(engineFieldDefinitions[1], fileEnv) === "bailian" ? "阿里云百炼" : "Seedance",
+      mode: currentVideoEngineValue(engineFieldDefinitions[1], fileEnv) === "bailian" ? (shouldMockBailian() ? "mock" : "bailian") : (shouldMockSeedance() ? "mock" : "seedance"),
+      modeLabel: currentVideoEngineValue(engineFieldDefinitions[1], fileEnv) === "bailian" ? (shouldMockBailian() ? "Mock" : "百炼真实接口") : (shouldMockSeedance() ? "Mock" : "Seedance 真实接口"),
+      reqKey: currentVideoEngineValue(engineFieldDefinitions[1], fileEnv) === "bailian" ? bailian.videoModel : seedance.model,
+      configurable: true,
+      field: fieldWithValue(engineFieldDefinitions[1], currentVideoEngineValue(engineFieldDefinitions[1], fileEnv), isConfigured(engineFieldDefinitions[1].key, fileEnv))
    }
  ];
 }
@@ -336,21 +363,27 @@ function isConfigured(key: string, fileEnv: Map<string, string>) {
 }

 function normalizeImageEngine(value: string | undefined): ImageCreationEngine {
-  return value?.trim().toLowerCase() === "evolink" ? "evolink" : "jimeng";
+  const normalized = value?.trim().toLowerCase();
+  return normalized === "evolink" || normalized === "bailian" ? normalized : "jimeng";
 }

 function imageEngineLabel(engine: ImageCreationEngine) {
-  return engine === "evolink" ? "EvoLink" : "即梦";
+  return engine === "evolink" ? "EvoLink" : engine === "bailian" ? "阿里云百炼" : "即梦";
 }

 function modeForImageEngine(engine: ImageCreationEngine) {
  if (engine === "evolink") return shouldMockEvolinkApi() ? "mock" : "evolink";
+  if (engine === "bailian") return shouldMockBailian() ? "mock" : "bailian";
  return shouldMockVisualApi() ? "mock" : "volcengine";
 }

 function modeLabel(mode: string, engine: ImageCreationEngine) {
  if (mode === "mock") return "Mock";
-  return engine === "evolink" ? "EvoLink 真实接口" : "即梦真实接口";
+  return engine === "evolink" ? "EvoLink 真实接口" : engine === "bailian" ? "百炼真实接口" : "即梦真实接口";
+}
+
+function currentVideoEngineValue(field: FieldDefinition, fileEnv: Map<string, string>) {
+  return (process.env[field.key] ?? fileEnv.get(field.key) ?? field.defaultValue) === "bailian" ? "bailian" : "seedance";
 }

 function envFilePath() {
--- a/lib/server/data-store.ts
+++ b/lib/server/data-store.ts
@@ -679,7 +679,7 @@ function imageTemplateFromRow(row: Record<string, unknown>): ImageTemplate {
    prompt: String(row.prompt || ""),
    previewImageUrl: optionalString(row.preview_image_url),
    settings: isRecord(row.settings) ? {
-      engine: row.settings.engine === "jimeng" || row.settings.engine === "evolink" ? row.settings.engine : undefined,
+      engine: row.settings.engine === "jimeng" || row.settings.engine === "evolink" || row.settings.engine === "bailian" ? row.settings.engine : undefined,
      width: optionalNumber(row.settings.width),
      height: optionalNumber(row.settings.height),
      forceSingle: typeof row.settings.forceSingle === "boolean" ? row.settings.forceSingle : undefined,
--- a/lib/server/generation-service.ts
+++ b/lib/server/generation-service.ts
@@ -28,6 +28,16 @@ import { importRemoteImageAsAsset, saveGeneratedAsset } from "@/lib/server/stora
 import { DEFAULT_OWNER_ID, toAbsoluteUrl } from "@/lib/server/runtime";
 import type { EnabledImageCapability, GenerationJob, VisualTaskQueryResponse } from "@/lib/types";
 import { queryVisualTask, shouldMockVisualApi, submitVisualTask } from "@/lib/volcengine/visual-client";
+import {
+  bailianResultUrls,
+  bailianStatus,
+  bailianTaskId,
+  buildBailianImagePayload,
+  getBailianConfig,
+  queryBailianTask,
+  shouldMockBailian,
+  submitBailianTask
+} from "@/lib/bailian/client";

 export type SubmitImageJobInput = {
  ownerId?: string;
@@ -59,18 +69,22 @@ export async function submitImageJob(input: SubmitImageJobInput, origin: string)
  const capability = getEnabledImageCapability(input.capability);
  const normalizedUrls = (input.imageUrls || []).map((url) => toAbsoluteUrl(url, origin));
  const engine = getEffectiveImageEngine(input.capability, input.engine);
-  const providerPayload = engine === "evolink"
-    ? buildEvolinkImagePayload(input.capability, { ...input, imageUrls: normalizedUrls })
-    : buildJimengPayload(input.capability, capability.reqKey, { ...input, imageUrls: normalizedUrls });
-  const mock = engine === "evolink" ? shouldMockEvolinkApi() : shouldMockVisualApi();
-  const reqKey = engine === "evolink" ? getEvolinkImageSettings().model : capability.reqKey;
+  const providerPayload = engine === "bailian"
+    ? buildBailianImagePayload(input.capability, { ...input, imageUrls: normalizedUrls })
+    : engine === "evolink"
+      ? buildEvolinkImagePayload(input.capability, { ...input, imageUrls: normalizedUrls })
+      : buildJimengPayload(input.capability, capability.reqKey, { ...input, imageUrls: normalizedUrls });
+  const bailianConfig = getBailianConfig();
+  const mock = engine === "bailian" ? shouldMockBailian() : engine === "evolink" ? shouldMockEvolinkApi() : shouldMockVisualApi();
+  const missingBailianKey = engine === "bailian" && !mock && !bailianConfig.apiKey;
+  const reqKey = engine === "bailian" ? bailianConfig.imageModel : engine === "evolink" ? getEvolinkImageSettings().model : capability.reqKey;
  let job = await createGenerationJob({
    ownerId,
    externalClientId: input.externalClientId,
    capability: input.capability,
-    provider: mock ? "mock" : engine === "evolink" ? "evolink" : "volcengine-visual",
+    provider: mock ? "mock" : engine === "bailian" ? "bailian" : engine === "evolink" ? "evolink" : "volcengine-visual",
    reqKey,
-    status: "queued",
+    status: missingBailianKey ? "failed" : "queued",
    prompt: input.prompt,
    inputAssetIds: input.inputAssetIds || [],
    inputUrls: normalizedUrls,
@@ -80,6 +94,7 @@ export async function submitImageJob(input: SubmitImageJobInput, origin: string)
      input,
      providerPayload
    },
+    error: missingBailianKey ? { message: "缺少 BAILIAN_API_KEY，请先在设置页配置阿里云百炼 API Key。", retryable: true } : undefined,
    retryOf: input.retryOf,
    idempotencyKey: input.idempotencyKey,
    idempotencyFingerprint: input.idempotencyFingerprint,
@@ -103,6 +118,12 @@ export async function advanceImageJob(jobId: string, origin: string): Promise<Ge
 async function dispatchImageJob(job: GenerationJob): Promise<GenerationJob> {
  const providerPayload = asRecord(job.requestPayload.providerPayload);
  try {
+    if (job.provider === "bailian") {
+      const response = await submitBailianTask("image", providerPayload);
+      const taskId = bailianTaskId(response);
+      if (!taskId) throw new Error(response.message || "百炼图片任务响应缺少 task_id。");
+      return updateGenerationJob(job.id, { status: "queued", providerTaskId: taskId, responsePayload: response });
+    }
    if (job.provider === "evolink") {
      const response = await submitEvolinkImageTask(providerPayload);
      const taskId = getEvolinkTaskId(response);
@@ -164,6 +185,7 @@ export async function syncImageJob(jobId: string, origin: string): Promise<Gener
  if (job.provider === "evolink") {
    return syncEvolinkImageJob(job, origin);
  }
+  if (job.provider === "bailian") return syncBailianImageJob(job, origin);

  const queryPayload = buildJimengQueryPayload(job.reqKey, job.providerTaskId);
  let response: VisualTaskQueryResponse;
@@ -238,6 +260,26 @@ export async function syncImageJob(jobId: string, origin: string): Promise<Gener
  });
 }

+async function syncBailianImageJob(job: GenerationJob, origin: string): Promise<GenerationJob> {
+  const response = await queryBailianTask(job.providerTaskId!);
+  const status = bailianStatus(response);
+  if (status !== "succeeded") {
+    return updateGenerationJob(job.id, {
+      status,
+      responsePayload: response,
+      error: status === "failed" ? { message: response.message || "百炼图片任务失败。", retryable: false } : undefined
+    });
+  }
+  const urls = bailianResultUrls(response, "image");
+  if (!urls.length) return updateGenerationJob(job.id, { status: "failed", responsePayload: response, error: { message: "百炼图片任务未返回结果地址。", retryable: true } });
+  const assets = [];
+  for (let index = 0; index < urls.length; index += 1) {
+    assets.push(await importRemoteImageAsAsset({ ownerId: job.ownerId, url: urls[index], origin, source: sourceForCapability(job.capability), capability: job.capability, jobId: job.id, index, tags: assetTagsForJob(job) }));
+  }
+  await recordUsageEvent({ ownerId: job.ownerId, jobId: job.id, capability: job.capability, quantity: assets.length, estimatedUnit: "image" });
+  return updateGenerationJob(job.id, { status: "succeeded", outputAssetIds: assets.map((asset) => asset.id), responsePayload: response });
+}
+
 async function syncEvolinkImageJob(job: GenerationJob, origin: string): Promise<GenerationJob> {
  if (!job.providerTaskId) return job;
  let response: EvolinkTaskResponse;
--- a/lib/server/image-template-input.ts
+++ b/lib/server/image-template-input.ts
@@ -89,7 +89,7 @@ function optionalScale(value: unknown): number | undefined {

 function normalizeImageEngine(value: unknown): ImageTemplate["settings"]["engine"] | undefined {
  const text = optionalText(value, 20);
-  if (text === "jimeng" || text === "evolink") return text;
+  if (text === "jimeng" || text === "evolink" || text === "bailian") return text;
  return undefined;
 }

--- a/lib/server/public-api-jobs.ts
+++ b/lib/server/public-api-jobs.ts
@@ -5,6 +5,8 @@ import { submitImageJob, type SubmitImageJobInput } from "@/lib/server/generatio
 import { submitVideoJob, type SubmitVideoJobInput } from "@/lib/server/video-generation-service";
 import { publicApiOwnerId, type PublicApiClient } from "@/lib/server/public-api-auth";
 import type { EnabledImageCapability, GenerationCapability, GenerationJob } from "@/lib/types";
+import type { ImageCreationEngine } from "@/lib/evolink/image-client";
+import type { VideoCreationEngine } from "@/lib/server/video-generation-service";

 export class PublicApiConflictError extends Error {
  status = 409;
@@ -36,6 +38,7 @@ export type PublicJobCreateBody = {
  resolution?: "4k" | "8k";
  quality?: string;
  seed?: number;
+  engine?: ImageCreationEngine | VideoCreationEngine;
 };

 export async function createPublicGenerationJob(input: {
@@ -92,6 +95,7 @@ export async function createPublicGenerationJob(input: {
  const job = await submitImageJob({
    ...common,
    capability: imageCapability,
+    engine: input.body.engine === "bailian" || input.body.engine === "evolink" || input.body.engine === "jimeng" ? input.body.engine : undefined,
    prompt: input.body.prompt || assembled?.prompt,
    imageUrls: input.body.imageUrls || input.body.inputUrls || materialImages,
    inputAssetIds: input.body.inputAssetIds || (input.body.materials || []).map((material) => material.id).filter(Boolean) as string[],
--- a/lib/server/video-generation-service.ts
+++ b/lib/server/video-generation-service.ts
@@ -11,12 +11,16 @@ import { importRemoteAssetAsAsset } from "@/lib/server/storage";
 import { createSeedanceTask, getSeedanceConfig, querySeedanceTask, shouldMockSeedance, type SeedanceSettings } from "@/lib/seedance/client";
 import type { GenerationJob } from "@/lib/types";
 import { normalizeVideoDuration, normalizeVideoRatio, normalizeVideoResolution } from "@/lib/video-settings";
+import { bailianResultUrls, bailianStatus, bailianTaskId, buildBailianVideoPayload, getBailianConfig, queryBailianTask, shouldMockBailian, submitBailianTask } from "@/lib/bailian/client";
+
+export type VideoCreationEngine = "seedance" | "bailian";

 export type SubmitVideoJobInput = PromptAssemblyInput & {
  ownerId?: string;
  externalClientId?: string;
  prompt?: string;
  settings?: SeedanceSettings;
+  engine?: VideoCreationEngine;
  materials?: PromptMaterial[];
  retryOf?: string;
  idempotencyKey?: string;
@@ -28,6 +32,7 @@ export type SubmitVideoJobInput = PromptAssemblyInput & {

 export async function submitVideoJob(input: SubmitVideoJobInput, origin: string): Promise<GenerationJob> {
  const ownerId = input.ownerId || DEFAULT_OWNER_ID;
+  const engine: VideoCreationEngine = input.engine === "bailian" ? "bailian" : "seedance";
  const config = getSeedanceConfig();
  const assembled = assemblePrompt({
    ...input,
@@ -36,17 +41,24 @@ export async function submitVideoJob(input: SubmitVideoJobInput, origin: string)
  });
  const finalPrompt = input.prompt?.trim() || assembled.prompt;
  const settings: SeedanceSettings = { ...(input.settings || {}) };
-  settings.ratio = normalizeVideoRatio(settings.ratio, config.ratio);
-  settings.duration = normalizeVideoDuration(settings.duration) ?? config.duration;
-  settings.resolution = normalizeVideoResolution(settings.resolution, config.model, config.resolution);
-  const mock = shouldMockSeedance();
+  if (engine === "bailian") {
+    settings.duration = normalizeVideoDuration(settings.duration) ?? 10;
+    settings.resolution = String(settings.resolution || "720P").toUpperCase();
+    buildBailianVideoPayload({ prompt: finalPrompt, materials: assembled.materials, origin, settings });
+  } else {
+    settings.ratio = normalizeVideoRatio(settings.ratio, config.ratio);
+    settings.duration = normalizeVideoDuration(settings.duration) ?? config.duration;
+    settings.resolution = normalizeVideoResolution(settings.resolution, config.model, config.resolution);
+  }
+  const mock = engine === "bailian" ? shouldMockBailian() : shouldMockSeedance();
+  const missingBailianKey = engine === "bailian" && !mock && !getBailianConfig().apiKey;
  let job = await createGenerationJob({
    ownerId,
    externalClientId: input.externalClientId,
    capability: "video.generate",
-    provider: mock ? "mock" : "seedance",
-    reqKey: config.model,
-    status: "queued",
+    provider: mock ? "mock" : engine,
+    reqKey: engine === "bailian" ? getBailianConfig().videoModel : config.model,
+    status: missingBailianKey ? "failed" : "queued",
    prompt: finalPrompt,
    inputAssetIds: input.materials?.map((material) => material.id).filter(Boolean) as string[] || [],
    inputUrls: assembled.materials.map((material) => material.url),
@@ -54,8 +66,10 @@ export async function submitVideoJob(input: SubmitVideoJobInput, origin: string)
    requestPayload: {
      input,
      assembled,
-      settings
+      settings,
+      engine
    },
+    error: missingBailianKey ? { message: "缺少 BAILIAN_API_KEY，请先在设置页配置阿里云百炼 API Key。", retryable: true } : undefined,
    retryOf: input.retryOf,
    idempotencyKey: input.idempotencyKey,
    idempotencyFingerprint: input.idempotencyFingerprint,
@@ -84,17 +98,14 @@ async function dispatchVideoJob(job: GenerationJob, origin: string): Promise<Gen
    const materials = Array.isArray(assembled.materials)
      ? assembled.materials as PromptMaterial[]
      : input.materials || [];
-    const response = await createSeedanceTask({
-      prompt: job.prompt || "",
-      settings,
-      materials,
-      origin
-    });
-    return updateGenerationJob(job.id, {
-      status: "running",
-      providerTaskId: response.providerTaskId,
-      responsePayload: response.raw
-    });
+    if (job.provider === "bailian") {
+      const response = await submitBailianTask("video", buildBailianVideoPayload({ prompt: job.prompt || "", settings: asRecord(settings), materials, origin }));
+      const providerTaskId = bailianTaskId(response);
+      if (!providerTaskId) throw new Error("视频任务响应缺少 task_id。");
+      return updateGenerationJob(job.id, { status: "running", providerTaskId, responsePayload: response });
+    }
+    const response = await createSeedanceTask({ prompt: job.prompt || "", settings, materials, origin });
+    return updateGenerationJob(job.id, { status: "running", providerTaskId: response.providerTaskId, responsePayload: response.raw });
  } catch (error) {
    job = await updateGenerationJob(job.id, {
      status: "failed",
@@ -115,6 +126,15 @@ export async function syncVideoJob(jobId: string, origin: string): Promise<Gener
  if (!job.providerTaskId) return job;

  try {
+    if (job.provider === "bailian") {
+      const response = await queryBailianTask(job.providerTaskId);
+      const status = bailianStatus(response);
+      const resultUrl = bailianResultUrls(response, "video")[0];
+      if (status !== "succeeded" || !resultUrl) {
+        return updateGenerationJob(job.id, { status, responsePayload: response, error: status === "failed" ? { message: response.message || "百炼视频任务失败。", retryable: false } : undefined });
+      }
+      return completeRemoteVideo(job, origin, resultUrl, response);
+    }
    const result = await querySeedanceTask(job.providerTaskId);
    if (result.status !== "succeeded" || !result.resultUrl) {
      return updateGenerationJob(job.id, {
@@ -123,9 +143,22 @@ export async function syncVideoJob(jobId: string, origin: string): Promise<Gener
        error: result.errorMessage ? { message: result.errorMessage, retryable: result.status === "failed" } : undefined
      });
    }
+    return completeRemoteVideo(job, origin, result.resultUrl, result.raw);
+  } catch (error) {
+    return updateGenerationJob(job.id, {
+      status: "failed",
+      error: {
+        message: error instanceof Error ? error.message : String(error),
+        retryable: false
+      }
+    });
+  }
+}
+
+async function completeRemoteVideo(job: GenerationJob, origin: string, resultUrl: string, responsePayload: Record<string, unknown>) {
    const asset = await importRemoteAssetAsAsset({
      ownerId: job.ownerId,
-      url: result.resultUrl,
+      url: resultUrl,
      origin,
      source: "generated",
      capability: "video.generate",
@@ -144,17 +177,8 @@ export async function syncVideoJob(jobId: string, origin: string): Promise<Gener
    return updateGenerationJob(job.id, {
      status: "succeeded",
      outputAssetIds: [asset.id],
-      responsePayload: result.raw
+      responsePayload
    });
-  } catch (error) {
-    return updateGenerationJob(job.id, {
-      status: "failed",
-      error: {
-        message: error instanceof Error ? error.message : String(error),
-        retryable: false
-      }
-    });
-  }
 }

 export async function retryVideoJob(jobId: string, origin: string, ownerId?: string): Promise<GenerationJob> {
--- a/lib/types.ts
+++ b/lib/types.ts
@@ -46,7 +46,7 @@ export type GenerationJob = {
  ownerId: string;
  externalClientId?: string;
  capability: GenerationCapability;
-  provider: "volcengine-visual" | "evolink" | "seedance" | "mock";
+  provider: "volcengine-visual" | "evolink" | "seedance" | "bailian" | "mock";
  reqKey: string;
  status: GenerationStatus;
  prompt?: string;
@@ -101,7 +101,7 @@ export type Project = {
 };

 export type ImageTemplateSettings = {
-  engine?: "jimeng" | "evolink";
+  engine?: "jimeng" | "evolink" | "bailian";
  width?: number;
  height?: number;
  forceSingle?: boolean;