diff --git a/app/(admin)/settings/admin-settings-client.tsx b/app/(admin)/settings/admin-settings-client.tsx
index 5f43152c5..d156c6c03 100644
--- a/app/(admin)/settings/admin-settings-client.tsx
+++ b/app/(admin)/settings/admin-settings-client.tsx
@@ -455,6 +455,7 @@ type AiProvider = {
     | "custom"
     | "local"
     | "gemini"
+    | "grsai-gpt-image"
     | "huanke-gemini"
     | "qianwen-video"
     | "doubao-video"
@@ -1186,6 +1187,7 @@ const PROVIDER_TYPES = [
   { value: "ruxa-image", label: "RUXA生图" },
   { value: "fal-image", label: "FAL 生图模型" },
   { value: "openai-image", label: "OpenAI 图片兼容" },
+  { value: "grsai-gpt-image", label: "Grsai GPT Image" },
   { value: "midjourney", label: "Midjourney" },
   { value: "tripo-3d", label: "Tripo3D 模型生成" },
   { value: "worldlabs-3d", label: "World Labs 3D 世界生成" },
@@ -1215,6 +1217,7 @@ const PROVIDER_DEFAULT_BASE_URL: Record<string, string> = {
   "ruxa-image": "https://api.ruxa.ai",
   "fal-image": "https://fal.run",
   "openai-image": "https://api.openai.com/v1",
+  "grsai-gpt-image": "https://grsai.dakka.com.cn",
   midjourney: "https://your-midjourney-api.example.com",
   "fal-video": "https://fal.run",
   "tripo-3d": "https://api.tripo3d.ai/v2/openapi",
@@ -3008,6 +3011,7 @@ export function AdminSettingsClient() {
       | "custom"
       | "local"
       | "gemini"
+      | "grsai-gpt-image"
       | "huanke-gemini"
       | "qianwen-video"
       | "doubao-video"
diff --git a/app/api/admin/ai-providers/route.ts b/app/api/admin/ai-providers/route.ts
index 7f9d35a25..bd474378e 100644
--- a/app/api/admin/ai-providers/route.ts
+++ b/app/api/admin/ai-providers/route.ts
@@ -15,6 +15,7 @@ const providerTypes = [
   "custom",
   "local",
   "gemini",
+  "grsai-gpt-image",
   "huanke-gemini",
   "qianwen-video",
   "doubao-video",
@@ -69,6 +70,7 @@ const WORLDLABS_3D_BASE_URL = "https://api.worldlabs.ai";
 const KITTYCAD_CAD_BASE_URL = "https://api.zoo.dev";
 const RUNWAY_BASE_URL = "https://api.dev.runwayml.com";
 const KREA_BASE_URL = "https://api.krea.ai";
+const GRSAI_GPT_IMAGE_BASE_URL = "https://grsai.dakka.com.cn";
 const RUNWAY_API_KEY_PATTERN = /^key_[0-9a-f]{128}$/;
 
 function normalizeProviderTypeForStorage(
@@ -222,6 +224,8 @@ export async function POST(request: Request) {
               ? data.baseUrl || RUNWAY_BASE_URL
             : data.type === "krea"
               ? data.baseUrl || KREA_BASE_URL
+            : data.type === "grsai-gpt-image"
+              ? data.baseUrl || GRSAI_GPT_IMAGE_BASE_URL
               : data.baseUrl,
       updatedBy: session.user.id,
     });
diff --git a/components/chat.tsx b/components/chat.tsx
index e7d099dad..4ca5a3b97 100644
--- a/components/chat.tsx
+++ b/components/chat.tsx
@@ -1132,7 +1132,12 @@ export function Chat({
       
       let modelType: PendingGeneration["modelType"] = "other";
       // 🆕 gemini-image 和 huanke-gemini 都视为 gemini 类型
-      if (model?.providerType === "gemini" || model?.providerType === "gemini-image" || model?.providerType === "huanke-gemini") modelType = "gemini";
+      if (
+        model?.providerType === "gemini" ||
+        model?.providerType === "gemini-image" ||
+        model?.providerType === "grsai-gpt-image" ||
+        model?.providerType === "huanke-gemini"
+      ) modelType = "gemini";
       else if (model?.providerType === "volcano-vision") modelType = "volcano-vision";
       else if (
         isVideoModelDescriptor({
diff --git a/components/messages.tsx b/components/messages.tsx
index 806ffaa25..dc2b02669 100644
--- a/components/messages.tsx
+++ b/components/messages.tsx
@@ -108,9 +108,14 @@ function PureMessages({
   );
 
   // 判断当前选中的模型类型
-  // 🆕 包含 gemini 和 huanke-gemini 两种 Gemini 图片生成 provider
+  // 🆕 包含 Gemini 和 Grsai GPT Image 图片生成 provider
   const isGeminiModel = modelsData?.models?.some(
-    (m: DynamicModel) => m.id === selectedModelId && (m.providerType === "gemini" || m.providerType === "gemini-image" || m.providerType === "huanke-gemini")
+    (m: DynamicModel) => m.id === selectedModelId && (
+      m.providerType === "gemini" ||
+      m.providerType === "gemini-image" ||
+      m.providerType === "grsai-gpt-image" ||
+      m.providerType === "huanke-gemini"
+    )
   ) ?? false;
   
   const isQianwenVideoModel = modelsData?.models?.some(
diff --git a/lib/ai/dynamic-provider.ts b/lib/ai/dynamic-provider.ts
index a07014d27..63e52e6e1 100644
--- a/lib/ai/dynamic-provider.ts
+++ b/lib/ai/dynamic-provider.ts
@@ -128,6 +128,15 @@ function getOrCreateProvider(provider: Pick<AiProvider, "id" | "type" | "baseUrl
       return geminiProvider as any;
     }
 
+    case "grsai-gpt-image": {
+      const grsaiGptImageProvider = createGeminiImage({
+        baseURL: resolvedBaseUrl,
+        apiKey: provider.apiKey,
+      });
+      console.log(`[Provider] Created Grsai GPT Image provider: ${resolvedBaseUrl}`);
+      return grsaiGptImageProvider as any;
+    }
+
     case "huanke-gemini": {
       // 环科 Gemini 原生格式 API
       // 使用 /v1beta/models/{model}:generateContent 端点
@@ -340,13 +349,14 @@ export async function getDynamicModel(
     // customProvider (gemini, local) 使用 .languageModel()
     // OpenAI-compatible 使用 .chat()
     let baseModel;
-    if (provider.type === "gemini") {
-      // Gemini 图片生成使用 chat() 方法（与 local-qwen 相同的调用方式）
-      console.log("[getDynamicModel] Getting Gemini chat model..."); // 调试日志
+    if (provider.type === "gemini" || provider.type === "grsai-gpt-image") {
+      const imageProviderLabel = provider.type === "grsai-gpt-image" ? "Grsai GPT Image" : "Gemini image";
+      // 图片生成 provider 使用 chat() 方法（与 local-qwen 相同的调用方式）
+      console.log(`[getDynamicModel] Getting ${imageProviderLabel} chat model...`); // 调试日志
       baseModel = providerInstance.chat(resolvedModelId);
-      console.log("[getDynamicModel] Gemini model retrieved:", baseModel ? "success" : "failed"); // 调试日志
-      console.log("[getDynamicModel] Gemini model type:", typeof baseModel); // 调试
-      console.log("[getDynamicModel] Gemini model keys:", baseModel ? Object.keys(baseModel).join(', ') : 'N/A'); // 调试
+      console.log(`[getDynamicModel] ${imageProviderLabel} model retrieved:`, baseModel ? "success" : "failed"); // 调试日志
+      console.log(`[getDynamicModel] ${imageProviderLabel} model type:`, typeof baseModel); // 调试
+      console.log(`[getDynamicModel] ${imageProviderLabel} model keys:`, baseModel ? Object.keys(baseModel).join(', ') : 'N/A'); // 调试
     } else if (provider.type === "local") {
       // 本地模型使用 chat() 方法
       console.log("[getDynamicModel] Getting local chat model..."); // 调试日志
diff --git a/lib/ai/provider-defaults.ts b/lib/ai/provider-defaults.ts
index a94fd4165..5e6fd4092 100644
--- a/lib/ai/provider-defaults.ts
+++ b/lib/ai/provider-defaults.ts
@@ -3,6 +3,7 @@ import type { AiProvider } from "@/lib/db/schema";
 const PROVIDER_DEFAULT_BASE_URL: Partial<Record<AiProvider["type"], string>> = {
   alibaba: "https://dashscope.aliyuncs.com/compatible-mode/v1",
   openai: "https://api.openai.com/v1",
+  "grsai-gpt-image": "https://grsai.dakka.com.cn",
   "huanke-gemini": "https://api.huandutech.com/v1",
   "qianwen-video": "https://dashscope.aliyuncs.com/api/v1/services/aigc/video-generation",
   "doubao-video": "https://ark.cn-beijing.volces.com/api/v3",
diff --git a/lib/ai/providers/gemini-image.ts b/lib/ai/providers/gemini-image.ts
index babb0b006..8b2e87978 100644
--- a/lib/ai/providers/gemini-image.ts
+++ b/lib/ai/providers/gemini-image.ts
@@ -418,8 +418,12 @@ async function sendGeminiRequest(
     imageSize?: string;
   }
 ): Promise<GeminiResponse> {
-  // 使用 Nano Banana 原生端点（支持完整的图片生成参数）
-  const url = `${baseURL}/v1/draw/nano-banana`;
+  const isGptImageModel = /^gpt-image/i.test(modelId);
+  const apiLogPrefix = isGptImageModel ? "[Grsai GPT Image]" : "[Gemini Image]";
+  // GPT Image 和 Nano Banana 在 Grsai 上是两套接口，不能混用同一个 endpoint。
+  const url = isGptImageModel
+    ? `${baseURL}/v1/draw/completions`
+    : `${baseURL}/v1/draw/nano-banana`;
   
   // 提取最后一条消息的文本作为prompt
   const lastMessage = messages[messages.length - 1];
@@ -453,20 +457,20 @@ async function sendGeminiRequest(
   // 🆕 处理参考图：上传 Base64 到 S3
   const processedUrls: string[] = [];
   if (urls.length > 0) {
-    console.log(`[Gemini Image] Processing ${urls.length} reference images...`);
+    console.log(`${apiLogPrefix} Processing ${urls.length} reference images...`);
     for (const url of urls) {
       const s3Url = await ensureImageUrl(url);
       processedUrls.push(s3Url);
     }
   }
 
-  console.log("[Gemini Image] Sending request to:", url);
-  console.log("[Gemini Image] Using model:", modelId);
-  console.log("[Gemini Image] Prompt:", prompt.substring(0, 100));
-  console.log("[Gemini Image] Reference image count:", urls.length);
-  console.log("[Gemini Image] Image params:", imageParams);
+  console.log(`${apiLogPrefix} Sending request to:`, url);
+  console.log(`${apiLogPrefix} Using model:`, modelId);
+  console.log(`${apiLogPrefix} Prompt:`, prompt.substring(0, 100));
+  console.log(`${apiLogPrefix} Reference image count:`, urls.length);
+  console.log(`${apiLogPrefix} Image params:`, imageParams);
   
-  // 使用 Nano Banana 原生格式
+  // 使用对应模型的原生格式
   const requestBody: any = {
     model: modelId,
     prompt: prompt,
@@ -477,19 +481,24 @@ async function sendGeminiRequest(
     requestBody.urls = processedUrls;
   }
   
-  // 添加 Nano Banana 特定参数
-  if (imageParams?.aspectRatio) {
-    requestBody.aspectRatio = imageParams.aspectRatio;
-  }
-  if (imageParams?.imageSize) {
-    requestBody.imageSize = imageParams.imageSize;
+  if (isGptImageModel) {
+    requestBody.size = imageParams?.aspectRatio || "auto";
+    requestBody.shutProgress = false;
+  } else {
+    // 添加 Nano Banana 特定参数
+    if (imageParams?.aspectRatio) {
+      requestBody.aspectRatio = imageParams.aspectRatio;
+    }
+    if (imageParams?.imageSize) {
+      requestBody.imageSize = imageParams.imageSize;
+    }
   }
   
-  console.log("[Gemini Image] Request body (truncated):", JSON.stringify(requestBody).substring(0, 500) + "...");
+  console.log(`${apiLogPrefix} Request body (truncated):`, JSON.stringify(requestBody).substring(0, 500) + "...");
 
   // 根据分辨率动态设置超时时间
   const timeout = imageParams?.imageSize === "4K" ? 300000 : 120000; // 4K: 5分钟, 其他: 2分钟
-  console.log(`[Gemini Image] Timeout set to ${timeout/1000} seconds for ${imageParams?.imageSize || "default"}`);
+  console.log(`${apiLogPrefix} Timeout set to ${timeout/1000} seconds for ${imageParams?.imageSize || "default"}`);
   
   const controller = new AbortController();
   const timeoutId = setTimeout(() => controller.abort(), timeout);
@@ -509,14 +518,14 @@ async function sendGeminiRequest(
 
     if (!response.ok) {
       const errorText = await response.text();
-      console.error("[Gemini Image] Request failed:", response.status, errorText);
+      console.error(`${apiLogPrefix} Request failed:`, response.status, errorText);
       throw new Error(
-        `Gemini API error: ${response.status} ${response.statusText}`
+        `${isGptImageModel ? "Grsai GPT Image" : "Gemini"} API error: ${response.status} ${response.statusText}`
       );
     }
 
     // 处理流式响应（SSE格式）
-    console.log("[Gemini Image] Reading stream response...");
+    console.log(`${apiLogPrefix} Reading stream response...`);
     const reader = response.body?.getReader();
     const decoder = new TextDecoder();
     let buffer = "";
diff --git a/lib/canvas/generate-image.ts b/lib/canvas/generate-image.ts
index 70a401dc0..3b8e76c8d 100644
--- a/lib/canvas/generate-image.ts
+++ b/lib/canvas/generate-image.ts
@@ -41,6 +41,7 @@ export interface CanvasGenerateImageResult {
 
 const SUPPORTED_CANVAS_PROVIDER_TYPES = new Set([
   "gemini",
+  "grsai-gpt-image",
   "alibaba-image",
   "bfl-image",
   "ruxa-image",
@@ -92,6 +93,7 @@ function getProviderBatchLimit(providerType: string) {
     case "krea":
       return 4;
     case "gemini":
+    case "grsai-gpt-image":
       return 2;
     case "alibaba-image":
     case "fal-image":
@@ -173,7 +175,7 @@ export async function generateCanvasImage(
     }
     if (!SUPPORTED_CANVAS_PROVIDER_TYPES.has(fallbackProvider.type)) {
       throw new Error(
-        "当前图片模型类型暂不支持画布生成，请在后台选择 Gemini/阿里/BFL/RUXA/FAL/OpenAI/Runway/Krea 图片模型。"
+        "当前图片模型类型暂不支持画布生成，请在后台选择 Gemini/Grsai GPT Image/阿里/BFL/RUXA/FAL/OpenAI/Runway/Krea 图片模型。"
       );
     }
     if (fallbackModel.model.id !== selectedModel.model.id) {
@@ -252,7 +254,7 @@ export async function generateCanvasImage(
     | ((batchImageCount: number) => Promise<string>)
     | null = null;
 
-  if (provider.type === "gemini") {
+  if (provider.type === "gemini" || provider.type === "grsai-gpt-image") {
     const geminiProvider = createGeminiImage({
       apiKey: provider.apiKey,
       baseURL: provider.baseUrl,
@@ -392,7 +394,7 @@ export async function generateCanvasImage(
     };
   } else {
     throw new Error(
-      `不支持的图片生成模型类型: ${provider.type || "unknown"}，请改用 Gemini/阿里/BFL/RUXA/FAL/OpenAI/Midjourney/Runway/Krea 图片模型`
+      `不支持的图片生成模型类型: ${provider.type || "unknown"}，请改用 Gemini/Grsai GPT Image/阿里/BFL/RUXA/FAL/OpenAI/Midjourney/Runway/Krea 图片模型`
     );
   }
 
diff --git a/lib/db/migrate.ts b/lib/db/migrate.ts
index 8545bd213..e0f26efed 100644
--- a/lib/db/migrate.ts
+++ b/lib/db/migrate.ts
@@ -13,6 +13,7 @@ config({
 const providerBaseUrlDefaults = [
   { type: "alibaba", baseUrl: "https://dashscope.aliyuncs.com/compatible-mode/v1" },
   { type: "openai", baseUrl: "https://api.openai.com/v1" },
+  { type: "grsai-gpt-image", baseUrl: "https://grsai.dakka.com.cn" },
   { type: "huanke-gemini", baseUrl: "https://api.huandutech.com/v1" },
   {
     type: "qianwen-video",
@@ -96,7 +97,7 @@ const runMigrate = async () => {
     ADD CONSTRAINT "AiProvider_type_check"
     CHECK (type IN (
       'alibaba', 'openai', 'custom', 'local', 'gemini',
-      'huanke-gemini', 'qianwen-video', 'doubao-video', 'ruxa-video', 'volcano-vision', 'volcano-video', 'alibaba-image', 'bfl-image', 'ruxa-image', 'fal-image', 'openai-image', 'midjourney', 'fal-video', 'zhipu', 'tripo-3d', 'worldlabs-3d', 'kittycad-cad', 'runway', 'krea'
+      'grsai-gpt-image', 'huanke-gemini', 'qianwen-video', 'doubao-video', 'ruxa-video', 'volcano-vision', 'volcano-video', 'alibaba-image', 'bfl-image', 'ruxa-image', 'fal-image', 'openai-image', 'midjourney', 'fal-video', 'zhipu', 'tripo-3d', 'worldlabs-3d', 'kittycad-cad', 'runway', 'krea'
     ));
   `);
   await db.execute(sql`
diff --git a/lib/db/queries.ts b/lib/db/queries.ts
index 810e5dff5..d96b0467f 100644
--- a/lib/db/queries.ts
+++ b/lib/db/queries.ts
@@ -3750,7 +3750,7 @@ export async function createAiProvider({
   updatedBy,
 }: {
   name: string;
-  type: "alibaba" | "openai" | "custom" | "local" | "gemini" | "huanke-gemini" | "qianwen-video" | "doubao-video" | "ruxa-video" | "volcano-vision" | "volcano-video" | "alibaba-image" | "bfl-image" | "ruxa-image" | "fal-image" | "openai-image" | "midjourney" | "fal-video" | "zhipu" | "tripo-3d" | "worldlabs-3d" | "kittycad-cad" | "runway" | "krea";
+  type: "alibaba" | "openai" | "custom" | "local" | "gemini" | "grsai-gpt-image" | "huanke-gemini" | "qianwen-video" | "doubao-video" | "ruxa-video" | "volcano-vision" | "volcano-video" | "alibaba-image" | "bfl-image" | "ruxa-image" | "fal-image" | "openai-image" | "midjourney" | "fal-video" | "zhipu" | "tripo-3d" | "worldlabs-3d" | "kittycad-cad" | "runway" | "krea";
   baseUrl: string;
   apiKey: string;
   isEnabled?: boolean;
@@ -3788,7 +3788,7 @@ export async function updateAiProvider({
 }: {
   id: string;
   name?: string;
-  type?: "alibaba" | "openai" | "custom" | "local" | "gemini" | "huanke-gemini" | "qianwen-video" | "doubao-video" | "ruxa-video" | "volcano-vision" | "volcano-video" | "alibaba-image" | "bfl-image" | "ruxa-image" | "fal-image" | "openai-image" | "midjourney" | "fal-video" | "zhipu" | "tripo-3d" | "worldlabs-3d" | "kittycad-cad" | "runway" | "krea";
+  type?: "alibaba" | "openai" | "custom" | "local" | "gemini" | "grsai-gpt-image" | "huanke-gemini" | "qianwen-video" | "doubao-video" | "ruxa-video" | "volcano-vision" | "volcano-video" | "alibaba-image" | "bfl-image" | "ruxa-image" | "fal-image" | "openai-image" | "midjourney" | "fal-video" | "zhipu" | "tripo-3d" | "worldlabs-3d" | "kittycad-cad" | "runway" | "krea";
   baseUrl?: string;
   apiKey?: string;
   isEnabled?: boolean;
diff --git a/lib/db/schema.ts b/lib/db/schema.ts
index bb187f203..bf60b5efb 100644
--- a/lib/db/schema.ts
+++ b/lib/db/schema.ts
@@ -276,7 +276,7 @@ export type ToolConfig = InferSelectModel<typeof toolConfig>;
 export const aiProvider = pgTable("AiProvider", {
   id: uuid("id").primaryKey().notNull().defaultRandom(),
   name: varchar("name", { length: 128 }).notNull(), // 提供商名称，如 "阿里云通义千问"
-  type: varchar("type", { enum: ["alibaba", "openai", "custom", "local", "gemini", "huanke-gemini", "qianwen-video", "doubao-video", "ruxa-video", "volcano-vision", "volcano-video", "alibaba-image", "ruxa-image", "fal-image", "openai-image", "midjourney", "fal-video", "zhipu", "tripo-3d", "worldlabs-3d", "kittycad-cad", "runway", "krea", "bfl-image"] })
+  type: varchar("type", { enum: ["alibaba", "openai", "custom", "local", "gemini", "grsai-gpt-image", "huanke-gemini", "qianwen-video", "doubao-video", "ruxa-video", "volcano-vision", "volcano-video", "alibaba-image", "ruxa-image", "fal-image", "openai-image", "midjourney", "fal-video", "zhipu", "tripo-3d", "worldlabs-3d", "kittycad-cad", "runway", "krea", "bfl-image"] })
     .notNull()
     .default("custom"), // 提供商类型
   baseUrl: text("baseUrl").notNull(), // API 基础 URL