diff --git a/common/src/common/config.py b/common/src/common/config.py
index aea61cc..28cb4d1 100644
--- a/common/src/common/config.py
+++ b/common/src/common/config.py
@@ -106,18 +106,18 @@ class Settings(BaseSettings):
         description="boto3 secret key for S3-compatible storage.",
     )
     s3_workspace_bucket: str = Field(
-        default="workspaces",
+        default="workspace",
         description=(
             "Bucket for workspace files (notebooks / scripts / working "
             "copies). Layout: s3://<bucket>/<workspace_id>/..."
         ),
     )
     s3_version_bucket: str = Field(
-        default="versions",
+        default="version",
         description="Bucket for immutable script-version artifacts.",
     )
     s3_run_log_bucket: str = Field(
-        default="run-logs",
+        default="run-log",
         description="Bucket for schedule run logs.",
     )
     s3_trash_bucket: str = Field(
diff --git a/common/src/common/storage/factory.py b/common/src/common/storage/factory.py
index 46ca7cb..6d41344 100644
--- a/common/src/common/storage/factory.py
+++ b/common/src/common/storage/factory.py
@@ -137,9 +137,7 @@ def workspaces_root() -> Path:
     """
     from common.config import settings  # 延迟 import 避免循环
     base = Path(settings.local_storage_base_dir)
-    if settings.storage_backend == "local":
-        return base / "workspace"
-    return base / "workspaces"
+    return base / "workspace"
 
 
 # rclone remote 名字。跟 docker-compose 里的 ``RCLONE_CONFIG_<NAME>_*`` 命名空间