diff --git a/docs/ENVIRONMENT.md b/docs/ENVIRONMENT.md
index d9c25ec..8a44db4 100644
--- a/docs/ENVIRONMENT.md
+++ b/docs/ENVIRONMENT.md
@@ -61,7 +61,6 @@ S3_MAX_CONCURRENT_UPLOADS=60
 # .env.development
 STORAGE_TYPE=local
 UPLOAD_DIR=./uploads
-UPLOAD_EXPIRATION_MS=86400000  # 24小时过期
 ```
 
 ### 生产环境 - AWS S3
@@ -73,7 +72,6 @@ S3_BUCKET=prod-app-uploads
 S3_REGION=us-west-2
 S3_ACCESS_KEY_ID=AKIAIOSFODNN7EXAMPLE
 S3_SECRET_ACCESS_KEY=wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY
-UPLOAD_EXPIRATION_MS=604800000  # 7天过期
 ```
 
 ### MinIO 本地开发
diff --git a/packages/storage/README.md b/packages/storage/README.md
index c5e4fc3..e55a4f1 100644
--- a/packages/storage/README.md
+++ b/packages/storage/README.md
@@ -58,7 +58,6 @@ npm install @repo/storage
 # .env
 STORAGE_TYPE=local
 UPLOAD_DIR=./uploads
-UPLOAD_EXPIRATION_MS=86400000  # 24小时过期
 ```
 
 ### AWS S3 配置
@@ -70,7 +69,6 @@ S3_BUCKET=my-app-uploads
 S3_REGION=us-west-2
 S3_ACCESS_KEY_ID=AKIAIOSFODNN7EXAMPLE
 S3_SECRET_ACCESS_KEY=wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY
-UPLOAD_EXPIRATION_MS=604800000  # 7天过期
 ```
 
 ### MinIO 配置
diff --git a/packages/storage/src/core/adapter.ts b/packages/storage/src/core/adapter.ts
index 4104e22..db62ce2 100644
--- a/packages/storage/src/core/adapter.ts
+++ b/packages/storage/src/core/adapter.ts
@@ -13,7 +13,7 @@ export function getStorageConfig(): StorageConfig {
 	if (storageType === StorageType.LOCAL) {
 		config.local = {
 			directory: process.env.UPLOAD_DIR || './uploads',
-			expirationPeriodInMilliseconds: parseInt(process.env.UPLOAD_EXPIRATION_MS || '0'), // 默认不过期
+			expirationPeriodInMilliseconds: 60 * 60 * 24 * 1000, // 默认24小时
 		};
 	} else if (storageType === StorageType.S3) {
 		config.s3 = {
@@ -25,7 +25,7 @@ export function getStorageConfig(): StorageConfig {
 			forcePathStyle: process.env.S3_FORCE_PATH_STYLE === 'true',
 			partSize: parseInt(process.env.S3_PART_SIZE || '8388608'), // 8MB
 			maxConcurrentPartUploads: parseInt(process.env.S3_MAX_CONCURRENT_UPLOADS || '60'),
-			expirationPeriodInMilliseconds: parseInt(process.env.UPLOAD_EXPIRATION_MS || '0'), // 默认不过期
+			expirationPeriodInMilliseconds: 60 * 60 * 24 * 1000, // 默认24小时
 		};
 	}