diff --git a/auto-imports.d.ts b/auto-imports.d.ts
index 7327015..776f1c9 100644
--- a/auto-imports.d.ts
+++ b/auto-imports.d.ts
@@ -138,6 +138,7 @@ declare global {
   const unref: typeof import('vue').unref
   const unrefElement: typeof import('@vueuse/core').unrefElement
   const until: typeof import('@vueuse/core').until
+  const uploadToS3: typeof import('./src/utils/aws/s3').uploadToS3
   const useActiveElement: typeof import('@vueuse/core').useActiveElement
   const useAnimate: typeof import('@vueuse/core').useAnimate
   const useAppUpdate: typeof import('./src/composables/useAppUpdate').useAppUpdate
@@ -308,6 +309,7 @@ declare global {
   const useToggle: typeof import('@vueuse/core').useToggle
   const useTradingView: typeof import('./src/composables/useTradingView').useTradingView
   const useTransition: typeof import('@vueuse/core').useTransition
+  const useUploadToS3: typeof import('./src/composables/useUploadToS3').useUploadToS3
   const useUrlSearchParams: typeof import('@vueuse/core').useUrlSearchParams
   const useUserMedia: typeof import('@vueuse/core').useUserMedia
   const useUserStore: typeof import('./src/store/user').useUserStore
@@ -503,6 +505,7 @@ declare module 'vue' {
     readonly unref: UnwrapRef<typeof import('vue')['unref']>
     readonly unrefElement: UnwrapRef<typeof import('@vueuse/core')['unrefElement']>
     readonly until: UnwrapRef<typeof import('@vueuse/core')['until']>
+    readonly uploadToS3: UnwrapRef<typeof import('./src/utils/aws/s3')['uploadToS3']>
     readonly useActiveElement: UnwrapRef<typeof import('@vueuse/core')['useActiveElement']>
     readonly useAnimate: UnwrapRef<typeof import('@vueuse/core')['useAnimate']>
     readonly useAppUpdate: UnwrapRef<typeof import('./src/composables/useAppUpdate')['useAppUpdate']>
diff --git a/src/utils/aws/s3.ts b/src/utils/aws/s3.ts
new file mode 100644
index 0000000..29822ae
--- /dev/null
+++ b/src/utils/aws/s3.ts
@@ -0,0 +1,19 @@
+import { client, safeClient } from "@/api";
+
+interface PresignedUrlResponse {
+  uploadUrl: string;
+  fileUrl: string;
+  key: string;
+  expiresIn: number;
+}
+
+interface UploadOptions {
+  onProgress?: (progress: number) => void;
+  signal?: AbortSignal;
+}
+
+export function uploadToS3(file: File, options: UploadOptions = {}) {
+  const { onProgress, signal } = options || {};
+
+  // 1. 获取预签名 URL
+}
diff --git a/src/utils/index.ts b/src/utils/index.ts
index 7ad319f..de24259 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,3 +1,4 @@
+export * from "./aws/s3";
 export * from "./ionic-helper";
 export * from "./is";
 export * from "./pattern";