diff --git a/web/packages/effects/request/src/request-client/request-client.ts b/web/packages/effects/request/src/request-client/request-client.ts
index dfe8419..32c2f50 100644
--- a/web/packages/effects/request/src/request-client/request-client.ts
+++ b/web/packages/effects/request/src/request-client/request-client.ts
@@ -6,10 +6,11 @@ import { bindMethods, isString, merge } from '@vben/utils';
 
 import axios from 'axios';
 
-import { FileDownloader } from './modules/downloader';
 import { InterceptorManager } from './modules/interceptor';
-import { SSE } from './modules/sse';
-import { FileUploader } from './modules/uploader';
+
+import type { FileDownloader } from './modules/downloader';
+import type { SSE } from './modules/sse';
+import type { FileUploader } from './modules/uploader';
 
 function stringifyQuery(
   params: Record<string, any>,
@@ -74,18 +75,13 @@ class RequestClient {
   public addRequestInterceptor: InterceptorManager['addRequestInterceptor'];
 
   public addResponseInterceptor: InterceptorManager['addResponseInterceptor'];
-  public download: FileDownloader['download'];
-
   public readonly instance: AxiosInstance;
   // 是否正在刷新token
   public isRefreshing = false;
-  public postSSE: SSE['postSSE'];
   // 刷新token队列
   public refreshTokenQueue: ((token: string) => void)[] = [];
   // SSE 401 时用于刷新 token 的回调
   public refreshToken?: () => Promise<string>;
-  public requestSSE: SSE['requestSSE'];
-  public upload: FileUploader['upload'];
 
   /**
    * 构造函数，用于创建Axios实例
@@ -117,16 +113,6 @@ class RequestClient {
     this.addResponseInterceptor =
       interceptorManager.addResponseInterceptor.bind(interceptorManager);
 
-    // 实例化文件上传器
-    const fileUploader = new FileUploader(this);
-    this.upload = fileUploader.upload.bind(fileUploader);
-    // 实例化文件下载器
-    const fileDownloader = new FileDownloader(this);
-    this.download = fileDownloader.download.bind(fileDownloader);
-    // 实例化SSE模块
-    const sse = new SSE(this);
-    this.postSSE = sse.postSSE.bind(sse);
-    this.requestSSE = sse.requestSSE.bind(sse);
   }
 
   /**
@@ -153,6 +139,14 @@ class RequestClient {
     return this.instance.defaults.baseURL;
   }
 
+  public async download<T = Blob>(
+    url: string,
+    config?: Parameters<FileDownloader['download']>[1],
+  ): Promise<T> {
+    const { FileDownloader } = await import('./modules/downloader');
+    return new FileDownloader(this).download<T>(url, config);
+  }
+
   /**
    * POST请求方法
    */
@@ -186,6 +180,15 @@ class RequestClient {
     return this.request<T>(url, { ...config, data, method: 'PATCH' });
   }
 
+  public async postSSE(
+    url: string,
+    data?: any,
+    requestOptions?: Parameters<SSE['postSSE']>[2],
+  ) {
+    const { SSE } = await import('./modules/sse');
+    return new SSE(this).postSSE(url, data, requestOptions);
+  }
+
   /**
    * 通用的请求方法
    */
@@ -206,6 +209,24 @@ class RequestClient {
       throw error.response ? error.response.data : error;
     }
   }
+
+  public async requestSSE(
+    url: string,
+    data?: any,
+    requestOptions?: Parameters<SSE['requestSSE']>[2],
+  ) {
+    const { SSE } = await import('./modules/sse');
+    return new SSE(this).requestSSE(url, data, requestOptions);
+  }
+
+  public async upload<T = any>(
+    url: string,
+    data: Parameters<FileUploader['upload']>[1],
+    config?: RequestClientConfig,
+  ): Promise<T> {
+    const { FileUploader } = await import('./modules/uploader');
+    return new FileUploader(this).upload<T>(url, data, config);
+  }
 }
 
 export { RequestClient };