diff --git a/.env.production b/.env.production
index 341ce6ed9..770f9e93c 100644
--- a/.env.production
+++ b/.env.production
@@ -43,14 +43,14 @@ CELERY_WORKER_CONCURRENCY=8
 CELERY_WORKER_MAX_TASKS_PER_CHILD=1000
 
 # =======================
-# MinIO 对象存储配置
+# OSS 对象存储配置
 # =======================
-MINIO_ENDPOINT=47.98.113.167:9000
-MINIO_ACCESS_KEY=CHANGE_ME_PRODUCTION
-MINIO_SECRET_KEY=CHANGE_ME_PRODUCTION
-MINIO_BUCKET=xiaoxia-assets
-MINIO_SECURE=false
-MINIO_PUBLIC_URL=http://47.98.113.167:9000
+OSS_ENDPOINT=47.98.113.167:9000
+OSS_ACCESS_KEY_ID=CHANGE_ME_PRODUCTION
+OSS_ACCESS_KEY_SECRET=CHANGE_ME_PRODUCTION
+OSS_BUCKET_NAME=xiaoxia-assets
+OSS_SECURE=false
+OSS_PUBLIC_URL=http://47.98.113.167:9000
 
 # =======================
 # 日志配置
diff --git a/.env.staging b/.env.staging
index 5472c3ddd..d35a2461c 100755
--- a/.env.staging
+++ b/.env.staging
@@ -43,9 +43,8 @@ CELERY_WORKER_CONCURRENCY=4
 CELERY_WORKER_MAX_TASKS_PER_CHILD=1000
 
 # =======================
-# MinIO 对象存储配置
+# OSS 对象存储配置
 # =======================
-# OSS 对象存储配置 (原 MINIO_* 配置已统一为 OSS_* 命名)
 OSS_ENDPOINT=oss-cn-hangzhou.aliyuncs.com
 OSS_ACCESS_KEY_ID=CHANGE_ME_STAGING
 OSS_ACCESS_KEY_SECRET=CHANGE_ME_STAGING
diff --git a/apps/api/app/core/storage.py b/apps/api/app/core/storage.py
index e9871c18e..868334efb 100644
--- a/apps/api/app/core/storage.py
+++ b/apps/api/app/core/storage.py
@@ -211,8 +211,6 @@ class OSSStorageService:
         return self.bucket.object_exists(storage_key)
 
 
-# 向后兼容的服务类名
-MinIOService = OSSStorageService
 
 
 _storage_service = None
@@ -225,8 +223,3 @@ def get_storage_service() -> OSSStorageService:
         _storage_service = OSSStorageService()
     return _storage_service
 
-
-# 向后兼容的别名
-def get_minio_service() -> OSSStorageService:
-    """向后兼容：返回 OSS 服务（已替换 MinIO）"""
-    return get_storage_service()
diff --git a/docs/CI-CD.md b/docs/CI-CD.md
index c5712bb7b..41c3fe1d8 100644
--- a/docs/CI-CD.md
+++ b/docs/CI-CD.md
@@ -134,7 +134,7 @@ mypy packages/ apps/ --ignore-missing-imports
 ### Deploy 成功但业务链不通
 优先检查：
 - `/var/lib/xiaoxia-saas-staging/.env`
-- `MINIO_ENDPOINT`
+- `OSS_ENDPOINT`
 - `DATABASE_URL`
 - worker 日志中的 Celery 任务消费情况
 
diff --git a/docs/基础设施安装指南.md b/docs/基础设施安装指南.md
index 877cfffee..bf97a7dda 100644
--- a/docs/基础设施安装指南.md
+++ b/docs/基础设施安装指南.md
@@ -296,12 +296,12 @@ CELERY_BROKER_URL=redis://localhost:6379/1
 CELERY_RESULT_BACKEND=redis://localhost:6379/2
 
 # MinIO
-MINIO_ENDPOINT=localhost:9000
-MINIO_ACCESS_KEY=minioadmin
-MINIO_SECRET_KEY=minioadmin
-MINIO_BUCKET=xiaoxia-saas
-MINIO_SECURE=false
-MINIO_PUBLIC_URL=http://localhost:9000
+OSS_ENDPOINT=localhost:9000
+OSS_ACCESS_KEY_ID=minioadmin
+OSS_ACCESS_KEY_SECRET=minioadmin
+OSS_BUCKET_NAME=xiaoxia-saas
+OSS_SECURE=false
+OSS_PUBLIC_URL=http://localhost:9000
 
 # JWT
 JWT_SECRET_KEY=xiaoxia-dev-secret-key-please-change-in-production-min-32-chars
diff --git a/docs/本地验证检查清单.md b/docs/本地验证检查清单.md
index 074747c43..ede4b32aa 100644
--- a/docs/本地验证检查清单.md
+++ b/docs/本地验证检查清单.md
@@ -42,12 +42,12 @@ DATABASE_URL=postgresql://xiaoxia:xiaoxia123@localhost:5432/xiaoxia_saas
 REDIS_URL=redis://localhost:6379/0
 
 # MinIO
-MINIO_ENDPOINT=localhost:9000
-MINIO_ACCESS_KEY=minioadmin
-MINIO_SECRET_KEY=minioadmin
-MINIO_BUCKET=xiaoxia-saas
-MINIO_SECURE=false
-MINIO_PUBLIC_URL=http://localhost:9000
+OSS_ENDPOINT=localhost:9000
+OSS_ACCESS_KEY_ID=minioadmin
+OSS_ACCESS_KEY_SECRET=minioadmin
+OSS_BUCKET_NAME=xiaoxia-saas
+OSS_SECURE=false
+OSS_PUBLIC_URL=http://localhost:9000
 
 # JWT
 JWT_SECRET_KEY=your-super-secret-key-change-in-production
diff --git a/docs/静态验证报告-2026-06-19.md b/docs/静态验证报告-2026-06-19.md
index 27acaf3e5..63af2f8c0 100644
--- a/docs/静态验证报告-2026-06-19.md
+++ b/docs/静态验证报告-2026-06-19.md
@@ -127,7 +127,7 @@
 **检查项**：
 - ✅ 数据库配置（DATABASE_URL）
 - ✅ Redis 配置（REDIS_URL）
-- ✅ MinIO 配置（MINIO_*）
+- ✅ OSS 配置（OSS_*）
 - ✅ JWT 配置（JWT_SECRET_KEY）
 - ✅ Celery 配置（CELERY_BROKER_URL）
 
diff --git a/tests/unit/test_architecture_boundaries.py b/tests/unit/test_architecture_boundaries.py
index f777f067a..016a8f8e5 100644
--- a/tests/unit/test_architecture_boundaries.py
+++ b/tests/unit/test_architecture_boundaries.py
@@ -62,7 +62,7 @@ def test_canonical_auth_route_has_no_auth_simple_runtime_path():
 
 
 def test_runtime_code_uses_oss_storage_naming_not_minio():
-    allowed = {Path("apps/api/app/core/storage.py")}
+    allowed: set[Path] = set()
     offenders: list[str] = []
     for root in [Path("apps"), Path("packages"), Path("tests")]:
         for path in root.rglob("*.py"):