diff --git a/app/api/admin/fal-image-models/route.ts b/app/api/admin/fal-image-models/route.ts
index 41f7a44de..d816748bf 100644
--- a/app/api/admin/fal-image-models/route.ts
+++ b/app/api/admin/fal-image-models/route.ts
@@ -9,10 +9,13 @@ import { requireAdmin } from "@/lib/middleware/admin";
 export async function GET() {
   try {
     await requireAdmin();
+    const imageEditCount = FAL_IMAGE_MODEL_PRESETS.filter(
+      (preset) => preset.capabilities?.kind === "image-edit"
+    ).length;
     return NextResponse.json({
       presets: FAL_IMAGE_MODEL_PRESETS,
       counts: {
-        imageEdit: FAL_IMAGE_MODEL_PRESETS.length,
+        imageEdit: imageEditCount,
         total: FAL_IMAGE_MODEL_PRESETS.length,
       },
     });
diff --git a/lib/ai/fal-image-models.ts b/lib/ai/fal-image-models.ts
index 2a129c6e8..7c4a7388e 100644
--- a/lib/ai/fal-image-models.ts
+++ b/lib/ai/fal-image-models.ts
@@ -1,4 +1,6 @@
 export const FAL_IMAGE_BASE_URL = "https://fal.run";
+export const FAL_NANO_BANANA_2_MODEL_ID = "fal-ai/nano-banana-2";
+export const FAL_NANO_BANANA_2_EDIT_MODEL_ID = "fal-ai/nano-banana-2/edit";
 export const FAL_GPT_IMAGE_2_EDIT_MODEL_ID = "openai/gpt-image-2/edit";
 
 export interface FalImageModelPreset {
@@ -14,6 +16,152 @@ export interface FalImageModelPreset {
 }
 
 export const FAL_IMAGE_MODEL_PRESETS: FalImageModelPreset[] = [
+  {
+    modelId: FAL_NANO_BANANA_2_MODEL_ID,
+    displayName: "FAL Nano Banana 2",
+    description:
+      "FAL 官方 Nano Banana 2 文生图模型。无参考图时用于生成图片；如传入参考图，系统会自动切换到官方 /edit 端点。",
+    supportsVision: true,
+    supportsImageGen: true,
+    capabilities: {
+      provider: "fal",
+      kind: "text-to-image",
+      endpoint: FAL_NANO_BANANA_2_MODEL_ID,
+      editEndpoint: FAL_NANO_BANANA_2_EDIT_MODEL_ID,
+      apiFormat: "fal-nano-banana-2",
+      officialUrl: "https://fal.ai/models/fal-ai/nano-banana-2/api",
+      editOfficialUrl: "https://fal.ai/models/fal-ai/nano-banana-2/edit/api",
+      requiredFields: ["prompt"],
+      optionalFields: [
+        "num_images",
+        "aspect_ratio",
+        "output_format",
+        "safety_tolerance",
+        "resolution",
+        "limit_generations",
+        "enable_web_search",
+        "image_urls",
+      ],
+      supportsMultiImageReference: true,
+      autoRouteEditEndpoint: true,
+    },
+    defaultParams: {
+      provider: "fal",
+      endpoint: FAL_NANO_BANANA_2_MODEL_ID,
+      editEndpoint: FAL_NANO_BANANA_2_EDIT_MODEL_ID,
+      apiFormat: "fal-nano-banana-2",
+      imageSize: "1K",
+      aspectRatio: "auto",
+      outputFormat: "png",
+      safetyTolerance: "4",
+      limitGenerations: true,
+    },
+    imageGenConfig: {
+      maxImages: 4,
+      supportsSize: true,
+      supports1K: true,
+      supports2K: true,
+      supports4K: true,
+      supportsPromptExtend: true,
+      supportsNegativePrompt: false,
+      supportsWatermark: false,
+      supportsSeed: true,
+      supportedAspectRatios: [
+        "auto",
+        "21:9",
+        "16:9",
+        "3:2",
+        "4:3",
+        "5:4",
+        "1:1",
+        "4:5",
+        "3:4",
+        "2:3",
+        "9:16",
+        "4:1",
+        "1:4",
+        "8:1",
+        "1:8",
+      ],
+      supportedImageSizes: ["0.5K", "1K", "2K", "4K"],
+      enableLoadingPlaceholder: true,
+      loadingColor: "purple",
+      creditCostPerImage: 0,
+      creditCostPerVideo: 0,
+    },
+    sortOrder: 10,
+  },
+  {
+    modelId: FAL_NANO_BANANA_2_EDIT_MODEL_ID,
+    displayName: "FAL Nano Banana 2 Edit",
+    description:
+      "FAL 官方 Nano Banana 2 图像编辑模型，支持最多 14 张参考图和自然语言编辑。",
+    supportsVision: true,
+    supportsImageGen: true,
+    capabilities: {
+      provider: "fal",
+      kind: "image-edit",
+      endpoint: FAL_NANO_BANANA_2_EDIT_MODEL_ID,
+      apiFormat: "fal-nano-banana-2-edit",
+      officialUrl: "https://fal.ai/models/fal-ai/nano-banana-2/edit/api",
+      requiredFields: ["prompt", "image_urls"],
+      optionalFields: [
+        "num_images",
+        "aspect_ratio",
+        "output_format",
+        "safety_tolerance",
+        "resolution",
+        "limit_generations",
+        "enable_web_search",
+      ],
+      supportsMultiImageReference: true,
+      maxReferenceImages: 14,
+    },
+    defaultParams: {
+      provider: "fal",
+      endpoint: FAL_NANO_BANANA_2_EDIT_MODEL_ID,
+      apiFormat: "fal-nano-banana-2-edit",
+      imageSize: "1K",
+      aspectRatio: "auto",
+      outputFormat: "png",
+      safetyTolerance: "4",
+      limitGenerations: true,
+    },
+    imageGenConfig: {
+      maxImages: 4,
+      supportsSize: true,
+      supports1K: true,
+      supports2K: true,
+      supports4K: true,
+      supportsPromptExtend: true,
+      supportsNegativePrompt: false,
+      supportsWatermark: false,
+      supportsSeed: true,
+      supportedAspectRatios: [
+        "auto",
+        "21:9",
+        "16:9",
+        "3:2",
+        "4:3",
+        "5:4",
+        "1:1",
+        "4:5",
+        "3:4",
+        "2:3",
+        "9:16",
+        "4:1",
+        "1:4",
+        "8:1",
+        "1:8",
+      ],
+      supportedImageSizes: ["0.5K", "1K", "2K", "4K"],
+      enableLoadingPlaceholder: true,
+      loadingColor: "purple",
+      creditCostPerImage: 0,
+      creditCostPerVideo: 0,
+    },
+    sortOrder: 11,
+  },
   {
     modelId: FAL_GPT_IMAGE_2_EDIT_MODEL_ID,
     displayName: "FAL GPT Image 2 Edit",
diff --git a/lib/ai/providers/fal-image.ts b/lib/ai/providers/fal-image.ts
index aec903d48..5e8d4c483 100644
--- a/lib/ai/providers/fal-image.ts
+++ b/lib/ai/providers/fal-image.ts
@@ -15,6 +15,7 @@ interface FalImageParams {
   imageCount?: number;
   outputFormat?: "png" | "jpg" | "jpeg" | "webp";
   safetyTolerance?: string | number;
+  seed?: string | number;
   enableWebSearch?: boolean;
   quality?: string;
   maskImageUrl?: string;
@@ -32,6 +33,11 @@ const DEFAULT_RESOLUTION = "1K";
 const DEFAULT_OUTPUT_FORMAT = "png";
 const DEFAULT_SAFETY_TOLERANCE = "4";
 const DEFAULT_TIMEOUT_MS = 180000;
+const FAL_NANO_BANANA_MODEL_IDS = new Set([
+  "fal-ai/nano-banana",
+  "fal-ai/nano-banana-2",
+  "fal-ai/nano-banana-pro",
+]);
 const FAL_GPT_IMAGE_2_EDIT_MODEL_ID = "openai/gpt-image-2/edit";
 const GPT_IMAGE_2_EDIT_IMAGE_SIZE_PRESETS = new Set([
   "auto",
@@ -156,6 +162,10 @@ function normalizeAspectRatio(aspectRatio?: string) {
       "3:4",
       "2:3",
       "9:16",
+      "4:1",
+      "1:4",
+      "8:1",
+      "1:8",
     ].includes(normalized)
   ) {
     return normalized === "auto" ? "auto" : ratio;
@@ -167,7 +177,7 @@ function normalizeAspectRatio(aspectRatio?: string) {
 function normalizeResolution(imageSize?: string) {
   if (!imageSize) return DEFAULT_RESOLUTION;
   const normalized = imageSize.trim().toUpperCase();
-  if (["1K", "2K", "4K"].includes(normalized)) return normalized;
+  if (["0.5K", "1K", "2K", "4K"].includes(normalized)) return normalized;
   return DEFAULT_RESOLUTION;
 }
 
@@ -186,10 +196,28 @@ function normalizeSafetyTolerance(value?: string | number) {
   return DEFAULT_SAFETY_TOLERANCE;
 }
 
+function normalizeSeed(value?: string | number) {
+  if (value === undefined || value === null || value === "") return undefined;
+  const seed = Number(value);
+  if (!Number.isInteger(seed) || seed < 0) return undefined;
+  return seed;
+}
+
 function isFalGptImage2EditModel(modelId: string) {
   return modelId.trim().toLowerCase() === FAL_GPT_IMAGE_2_EDIT_MODEL_ID;
 }
 
+function normalizeFalEndpointId(modelId: string, hasInputImages: boolean) {
+  const endpoint = modelId.trim();
+  const normalized = endpoint.toLowerCase();
+  if (!hasInputImages) return endpoint;
+  if (normalized.endsWith("/edit")) return endpoint;
+  if (FAL_NANO_BANANA_MODEL_IDS.has(normalized)) {
+    return `${endpoint}/edit`;
+  }
+  return endpoint;
+}
+
 function normalizeGptImage2EditQuality(value?: string) {
   if (!value) return "high";
   const normalized = value.trim().toLowerCase();
@@ -395,6 +423,26 @@ function formatMarkdown(images: UploadedImage[], resolution: string) {
     .join("\n\n");
 }
 
+function summarizeFalError(error: any) {
+  const status = error?.status || error?.statusCode || error?.response?.status;
+  const body =
+    error?.body ||
+    error?.responseBody ||
+    error?.data ||
+    error?.response?.data ||
+    error?.cause?.data;
+  const message =
+    error?.message ||
+    (typeof body === "string" ? body : "") ||
+    "FAL request failed";
+  return {
+    name: error?.name,
+    status,
+    message,
+    body,
+  };
+}
+
 export function createFalImage({ apiKey, baseURL }: FalImageConfig) {
   return {
     provider: "fal-image",
@@ -410,9 +458,16 @@ export function createFalImage({ apiKey, baseURL }: FalImageConfig) {
         const resolution = normalizeResolution(options.imageParams?.imageSize);
         const outputFormat = normalizeOutputFormat(options.imageParams?.outputFormat);
         const safetyTolerance = normalizeSafetyTolerance(options.imageParams?.safetyTolerance);
+        const seed = normalizeSeed(options.imageParams?.seed);
         const imageCount = Math.max(1, Math.min(6, Number(options.imageParams?.imageCount || 1)));
         const activeModelId = options.overrideModelId || modelId;
         const isGptImage2Edit = isFalGptImage2EditModel(activeModelId);
+        const falEndpointId = isGptImage2Edit
+          ? activeModelId
+          : normalizeFalEndpointId(activeModelId, imageUrls.length > 0);
+        if (!isGptImage2Edit && falEndpointId.toLowerCase().endsWith("/edit") && imageUrls.length === 0) {
+          throw new Error("FAL 图片编辑模型需要至少一张可访问的参考图片 URL");
+        }
         const gptImage2EditSize = normalizeGptImage2EditImageSize(
           options.imageParams?.imageSize,
           options.imageParams?.aspectRatio
@@ -423,14 +478,16 @@ export function createFalImage({ apiKey, baseURL }: FalImageConfig) {
 
         console.log("[Fal Image] Submitting request", {
           model: activeModelId,
+          endpoint: falEndpointId,
           baseURL,
           imageCount,
           aspectRatio,
           resolution: outputSizeLabel,
+          hasInputImages: imageUrls.length > 0,
         });
 
-        const fal = await import("@fal-ai/serverless-client");
-        fal.config({
+        const { createFalClient } = await import("@fal-ai/client");
+        const fal = createFalClient({
           credentials: normalizeFalCredentials(apiKey),
         });
 
@@ -458,6 +515,10 @@ export function createFalImage({ apiKey, baseURL }: FalImageConfig) {
             input.sync_mode = options.imageParams.syncMode;
           }
 
+          if (seed !== undefined) {
+            input.seed = seed;
+          }
+
           const openaiApiKey = String(options.imageParams?.openaiApiKey || "").trim();
           if (openaiApiKey) {
             input.openai_api_key = openaiApiKey;
@@ -470,31 +531,42 @@ export function createFalImage({ apiKey, baseURL }: FalImageConfig) {
             resolution,
             output_format: outputFormat,
             safety_tolerance: safetyTolerance,
+            limit_generations: true,
           };
 
           if (imageUrls.length > 0) {
             input.image_urls = imageUrls;
           }
 
+          if (seed !== undefined) {
+            input.seed = seed;
+          }
+
           if (typeof options.imageParams?.enableWebSearch === "boolean") {
             input.enable_web_search = options.imageParams.enableWebSearch;
           }
         }
 
-        const result: any = await fal.subscribe(activeModelId, {
-          input,
-          logs: true,
-          timeout: DEFAULT_TIMEOUT_MS,
-          onQueueUpdate: (update: any) => {
-            if (update?.status === "IN_PROGRESS" && Array.isArray(update.logs)) {
-              for (const log of update.logs) {
-                if (log?.message) {
-                  console.log(`[Fal Image][${activeModelId}]`, log.message);
+        let result: any;
+        try {
+          result = await fal.subscribe(falEndpointId, {
+            input,
+            logs: true,
+            timeout: DEFAULT_TIMEOUT_MS,
+            onQueueUpdate: (update: any) => {
+              if (update?.status === "IN_PROGRESS" && Array.isArray(update.logs)) {
+                for (const log of update.logs) {
+                  if (log?.message) {
+                    console.log(`[Fal Image][${falEndpointId}]`, log.message);
+                  }
                 }
               }
-            }
-          },
-        });
+            },
+          });
+        } catch (error) {
+          console.error("[Fal Image] Request failed:", summarizeFalError(error));
+          throw error;
+        }
 
         let outputUrls = filterSourceImages(collectImageUrls(result), imageUrls);
         outputUrls = await filterSourceImagesByContent(outputUrls, imageUrls);
diff --git a/package.json b/package.json
index f682264e5..4f21a868a 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,7 @@
     "@codemirror/theme-one-dark": "^6.1.2",
     "@codemirror/view": "^6.35.3",
     "@drawnix/drawnix": "0.4.0-2",
+    "@fal-ai/client": "^1.10.0",
     "@fal-ai/serverless-client": "^0.15.0",
     "@icons-pack/react-simple-icons": "^13.7.0",
     "@langchain/core": "^1.1.19",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 6a76b17af..1f6e5fc8a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -47,6 +47,9 @@ importers:
       '@drawnix/drawnix':
         specifier: 0.4.0-2
         version: 0.4.0-2(react-dom@19.0.0-rc-45804af1-20241021(react@19.0.0-rc-45804af1-20241021))(react@19.0.0-rc-45804af1-20241021)
+      '@fal-ai/client':
+        specifier: ^1.10.0
+        version: 1.10.0
       '@fal-ai/serverless-client':
         specifier: ^0.15.0
         version: 0.15.0
@@ -1323,6 +1326,10 @@ packages:
     cpu: [x64]
     os: [win32]
 
+  '@fal-ai/client@1.10.0':
+    resolution: {integrity: sha512-sQWnBc6cdIzK8nFybrVKal0rLeJS2vqrrNxx4Hcc0SorndkfkMXL3TIAiIfiF/AlZuVoRpazpNg6n8K81WHzOQ==}
+    engines: {node: '>=18.0.0'}
+
   '@fal-ai/serverless-client@0.15.0':
     resolution: {integrity: sha512-4Vuocu0342OijAN6xO/lwohDV7h90LbkTnOAEwH+pYvMFVC6RYmHS4GILc/wnOWBTw+iFlZFEKlljEVolkjVfg==}
     engines: {node: '>=18.0.0'}
@@ -7615,6 +7622,12 @@ snapshots:
   '@esbuild/win32-x64@0.25.1':
     optional: true
 
+  '@fal-ai/client@1.10.0':
+    dependencies:
+      '@msgpack/msgpack': 3.1.3
+      eventsource-parser: 1.1.2
+      robot3: 0.4.1
+
   '@fal-ai/serverless-client@0.15.0':
     dependencies:
       '@msgpack/msgpack': 3.1.3