diff --git a/src/deploy/common/model.ts b/src/deploy/common/model.ts
index 70dfe09..078e1e4 100644
--- a/src/deploy/common/model.ts
+++ b/src/deploy/common/model.ts
@@ -24,6 +24,8 @@ export interface ModelCacheResult<T, Create extends boolean> {
 	model: Create extends true ? T : never
 }
 
+const cacheDownloadTasks: Array<{ url: string, cacheDir: string, modelPath: Promise<string> }> = [];
+
 export abstract class Model {
 	protected session: backend.common.CommonSession;
 
@@ -58,77 +60,91 @@ export abstract class Model {
 		const [fs, path, os, crypto] = await Promise.all([import("fs"), import("path"), import("os"), import("crypto")]);
 		const cacheDir = option?.cacheDir ?? path.join(os.homedir(), ".aibox_cache/models");
 		await fs.promises.mkdir(cacheDir, { recursive: true });
-		//加载模型配置
-		const cacheJsonFile = path.join(cacheDir, "config.json");
-		let cacheJsonData: Array<{ url: string, filename: string }> = [];
-		if (fs.existsSync(cacheJsonFile) && await fs.promises.stat(cacheJsonFile).then(s => s.isFile())) {
-			try {
-				cacheJsonData = JSON.parse(await fs.promises.readFile(cacheJsonFile, "utf-8"));
-			} catch (e) { console.error(e); }
-		}
-		//不存在则下载
-		let cache = cacheJsonData.find(c => c.url === url);
-		if (!cache || !fs.existsSync(path.join(cacheDir, cache.filename))) {
-			let saveType = option?.saveType ?? null;
-			const saveTypeDict: Record<string, ModelType> = {
-				".onnx": "onnx",
-				".mnn": "mnn",
-			};
-			const _url = new URL(url);
-			const res = await fetch(_url).then(res => {
-				const filename = res.headers.get("content-disposition")?.match(/filename="(.+?)"/)?.[1];
-				if (filename) saveType = saveTypeDict[path.extname(filename)] ?? saveType;
-				if (!saveType) saveType = saveTypeDict[path.extname(_url.pathname)] ?? "onnx";
-				if (res.status !== 200) throw new Error(`HTTP ${res.status} ${res.statusText}`);
-				return res.blob();
-			}).then(blob => blob.stream()).then(async stream => {
-				const cacheFilename = path.join(cacheDir, Date.now().toString());
-				const hash = await new Promise<string>((resolve, reject) => {
-					let fsStream!: ReturnType<typeof fs.createWriteStream>;
-					let hashStream!: ReturnType<typeof crypto.createHash>;
-					stream.pipeTo(new WritableStream({
-						start(controller) {
-							fsStream = fs.createWriteStream(cacheFilename);
-							hashStream = crypto.createHash("md5");
-						},
-						async write(chunk, controller) {
-							await new Promise<void>((resolve, reject) => fsStream.write(chunk, err => err ? reject(err) : resolve()));
-							await new Promise<void>((resolve, reject) => hashStream.write(chunk, err => err ? reject(err) : resolve()));
-						},
-						close() {
-							fsStream.end();
-							hashStream.end();
-							resolve(hashStream.digest("hex"));
-						},
-						abort() { }
-					})).catch(reject);
-				})
-				return { filename: cacheFilename, hash };
-			});
-			//重命名
-			const filename = `${res.hash}.${saveType}`;
-			fs.promises.rename(res.filename, path.join(cacheDir, filename));
-			//保存缓存
-			if (!cache) {
-				cache = { url, filename };
-				cacheJsonData.push(cache);
-			}
-			else {
-				cache.filename = filename;
-				cache.url = url;
-			}
-			fs.promises.writeFile(cacheJsonFile, JSON.stringify(cacheJsonData, null, 4));
-		}
-		//返回模型数据
-		const modelPath = path.join(cacheDir, cache.filename);
 
-		const modelType = path.extname(cache.filename).substring(1) as ModelType;
+		//定义函数用于加载模型信息
+		async function resolveModel() {
+			//加载模型配置
+			const cacheJsonFile = path.join(cacheDir, "config.json");
+			let cacheJsonData: Array<{ url: string, filename: string }> = [];
+			if (fs.existsSync(cacheJsonFile) && await fs.promises.stat(cacheJsonFile).then(s => s.isFile())) {
+				try {
+					cacheJsonData = JSON.parse(await fs.promises.readFile(cacheJsonFile, "utf-8"));
+				} catch (e) { console.error(e); }
+			}
+			//不存在则下载
+			let cache = cacheJsonData.find(c => c.url === url);
+			if (!cache || !fs.existsSync(path.join(cacheDir, cache.filename))) {
+				let saveType = option?.saveType ?? null;
+				const saveTypeDict: Record<string, ModelType> = {
+					".onnx": "onnx",
+					".mnn": "mnn",
+				};
+				const _url = new URL(url);
+				const res = await fetch(_url).then(res => {
+					const filename = res.headers.get("content-disposition")?.match(/filename="(.+?)"/)?.[1];
+					if (filename) saveType = saveTypeDict[path.extname(filename)] ?? saveType;
+					if (!saveType) saveType = saveTypeDict[path.extname(_url.pathname)] ?? "onnx";
+					if (res.status !== 200) throw new Error(`HTTP ${res.status} ${res.statusText}`);
+					return res.blob();
+				}).then(blob => blob.stream()).then(async stream => {
+					const cacheFilename = path.join(cacheDir, Date.now().toString());
+					const hash = await new Promise<string>((resolve, reject) => {
+						let fsStream!: ReturnType<typeof fs.createWriteStream>;
+						let hashStream!: ReturnType<typeof crypto.createHash>;
+						stream.pipeTo(new WritableStream({
+							start(controller) {
+								fsStream = fs.createWriteStream(cacheFilename);
+								hashStream = crypto.createHash("md5");
+							},
+							async write(chunk, controller) {
+								await new Promise<void>((resolve, reject) => fsStream.write(chunk, err => err ? reject(err) : resolve()));
+								await new Promise<void>((resolve, reject) => hashStream.write(chunk, err => err ? reject(err) : resolve()));
+							},
+							close() {
+								fsStream.end();
+								hashStream.end();
+								resolve(hashStream.digest("hex"));
+							},
+							abort() { }
+						})).catch(reject);
+					})
+					return { filename: cacheFilename, hash };
+				});
+				//重命名
+				const filename = `${res.hash}.${saveType}`;
+				fs.promises.rename(res.filename, path.join(cacheDir, filename));
+				//保存缓存
+				if (!cache) {
+					cache = { url, filename };
+					cacheJsonData.push(cache);
+				}
+				else {
+					cache.filename = filename;
+					cache.url = url;
+				}
+				fs.promises.writeFile(cacheJsonFile, JSON.stringify(cacheJsonData, null, 4));
+			}
+			//返回模型数据
+			return path.join(cacheDir, cache.filename);
+		}
+
+		//查找任务
+		let cache = cacheDownloadTasks.find(c => c.url === url && c.cacheDir === cacheDir);
+		if (!cache) {
+			cache = { url, cacheDir, modelPath: resolveModel() }
+			cacheDownloadTasks.push(cache);
+		}
+
+		//获取模型数据
+		const modelPath = await cache.modelPath;
+		const modelType = path.extname(modelPath).substring(1) as ModelType;
 		let model: T | undefined = undefined;
 		if (option?.createModel) {
 			if (modelType === "onnx") model = (this as any).fromOnnx(modelPath);
 			else if (modelType == "mnn") model = (this as any).fromMNN(modelPath);
 		}
 
+		//返回结果
 		return { modelPath, modelType, model: model as any }
 	}