diff --git a/alembic/versions/010_desktop_config_name_oem_unique.py b/alembic/versions/010_desktop_config_name_oem_unique.py
new file mode 100644
index 0000000..b3e1143
--- /dev/null
+++ b/alembic/versions/010_desktop_config_name_oem_unique.py
@@ -0,0 +1,67 @@
+"""desktop_configs: oem_id + unique (name, oem_id)
+
+Revision ID: 010
+Revises: 009
+Create Date: 2026-05-21
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "010"
+down_revision: Union[str, None] = "009"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def _drop_name_unique(conn) -> None:
+    inspector = sa.inspect(conn)
+    for uc in inspector.get_unique_constraints("desktop_configs"):
+        cols = uc.get("column_names") or []
+        if cols == ["name"]:
+            op.drop_constraint(uc["name"], "desktop_configs", type_="unique")
+            return
+
+    for idx in inspector.get_indexes("desktop_configs"):
+        if idx.get("column_names") == ["name"] and idx.get("unique"):
+            op.drop_index(idx["name"], table_name="desktop_configs")
+            return
+
+
+def upgrade() -> None:
+    conn = op.get_bind()
+    inspector = sa.inspect(conn)
+    columns = {c["name"] for c in inspector.get_columns("desktop_configs")}
+
+    if "oem_id" not in columns:
+        op.add_column(
+            "desktop_configs",
+            sa.Column("oem_id", sa.Integer(), nullable=False, server_default="1"),
+        )
+
+    unique_names = {uc["name"] for uc in inspector.get_unique_constraints("desktop_configs")}
+    if "uq_desktop_configs_name_oem_id" not in unique_names:
+        _drop_name_unique(conn)
+        op.create_unique_constraint(
+            "uq_desktop_configs_name_oem_id",
+            "desktop_configs",
+            ["name", "oem_id"],
+        )
+
+    inspector = sa.inspect(conn)
+    index_names = {idx["name"] for idx in inspector.get_indexes("desktop_configs")}
+    if "ix_desktop_configs_name" not in index_names:
+        op.create_index("ix_desktop_configs_name", "desktop_configs", ["name"], unique=False)
+    if "ix_desktop_configs_oem_id" not in index_names:
+        op.create_index("ix_desktop_configs_oem_id", "desktop_configs", ["oem_id"], unique=False)
+
+
+def downgrade() -> None:
+    op.drop_index("ix_desktop_configs_oem_id", table_name="desktop_configs")
+    op.drop_index("ix_desktop_configs_name", table_name="desktop_configs")
+    op.drop_constraint("uq_desktop_configs_name_oem_id", "desktop_configs", type_="unique")
+    op.create_unique_constraint("name", "desktop_configs", ["name"])
+    op.drop_column("desktop_configs", "oem_id")
diff --git a/app/api/v1/oem_desktop_configs.py b/app/api/v1/oem_desktop_configs.py
index e3139d0..390c07a 100644
--- a/app/api/v1/oem_desktop_configs.py
+++ b/app/api/v1/oem_desktop_configs.py
@@ -9,14 +9,14 @@ from app.schemas.admin_desktop_config import (
     DesktopConfigUpdate,
 )
 from app.schemas.common import ApiResponse, PaginatedData
-from app.services import admin_desktop_config as config_service
+from app.services import oem_desktop_config as config_service
 
 router = APIRouter(prefix="/oem/desktop-configs", tags=["管理-桌面配置"])
 
 
 @router.get("", response_model=ApiResponse[PaginatedData[DesktopConfigOut]])
 async def list_configs(
-    _admin: OemUser,
+    _oem: OemUser,
     db: DbSession,
     page: int = Query(1, ge=1),
     page_size: int = Query(
@@ -47,7 +47,7 @@ async def list_configs(
 @router.post("", response_model=ApiResponse[DesktopConfigOut])
 async def create_config(
     body: DesktopConfigCreate,
-    _admin: OemUser,
+    _oem: OemUser,
     db: DbSession,
 ) -> ApiResponse[DesktopConfigOut]:
     try:
@@ -66,7 +66,7 @@ async def create_config(
 async def update_config(
     config_id: int,
     body: DesktopConfigUpdate,
-    _admin: OemUser,
+    _oem: OemUser,
     db: DbSession,
 ) -> ApiResponse[DesktopConfigOut]:
     try:
@@ -84,7 +84,7 @@ async def update_config(
 @router.delete("/{config_id}", response_model=ApiResponse[None])
 async def delete_config(
     config_id: int,
-    _admin: OemUser,
+    _oem: OemUser,
     db: DbSession,
 ) -> ApiResponse[None]:
     try:
diff --git a/app/api/v1/router.py b/app/api/v1/router.py
index d3d2681..8da0a63 100644
--- a/app/api/v1/router.py
+++ b/app/api/v1/router.py
@@ -5,6 +5,7 @@ from app.api.v1 import (
     oem_card_keys,
     agent_card_keys,
     admin_desktop_configs,
+    
     oem_desktop_configs,
     admin_oem_branding,
     oem_oem_branding,
diff --git a/app/models/desktopConfig.py b/app/models/desktopConfig.py
index d70a852..b5ec9da 100644
--- a/app/models/desktopConfig.py
+++ b/app/models/desktopConfig.py
@@ -1,6 +1,6 @@
 from datetime import datetime
 
-from sqlalchemy import DateTime, String, Text, func
+from sqlalchemy import DateTime, Integer, String, Text, UniqueConstraint, func
 from sqlalchemy.orm import Mapped, mapped_column
 
 from app.database import Base
@@ -8,10 +8,14 @@ from app.database import Base
 
 class DesktopConfig(Base):
     __tablename__ = "desktop_configs"
+    __table_args__ = (
+        UniqueConstraint("name", "oem_id", name="uq_desktop_configs_name_oem_id"),
+    )
 
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
-    name: Mapped[str] = mapped_column(String(64), unique=True)
+    name: Mapped[str] = mapped_column(String(64), index=True)
     value: Mapped[str] = mapped_column(Text)
     mark: Mapped[str | None] = mapped_column(String(255), nullable=True, default=None)
+    oem_id: Mapped[int] = mapped_column(Integer, default=1, server_default="1", index=True)
     created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
     updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
diff --git a/app/schemas/admin_desktop_config.py b/app/schemas/admin_desktop_config.py
index 3306cbe..c71f1e0 100644
--- a/app/schemas/admin_desktop_config.py
+++ b/app/schemas/admin_desktop_config.py
@@ -10,6 +10,7 @@ class DesktopConfigOut(BaseModel):
     name: str
     value: str
     mark: str | None = None
+    oem_id: int = 1
     created_at: datetime
     updated_at: datetime
 
@@ -18,6 +19,7 @@ class DesktopConfigCreate(BaseModel):
     name: str = Field(min_length=1, max_length=64)
     value: str = Field(min_length=0)
     mark: str | None = Field(default=None, max_length=255)
+    oem_id: int = Field(default=1, ge=1)
 
     @field_validator("name")
     @classmethod
diff --git a/app/services/admin_desktop_config.py b/app/services/admin_desktop_config.py
index 8ebb796..68ed80a 100644
--- a/app/services/admin_desktop_config.py
+++ b/app/services/admin_desktop_config.py
@@ -44,11 +44,21 @@ async def list_configs(
 
 
 async def create_config(db: AsyncSession, body: DesktopConfigCreate) -> DesktopConfig:
-    existing = await db.scalar(select(DesktopConfig).where(DesktopConfig.name == body.name))
+    existing = await db.scalar(
+        select(DesktopConfig).where(
+            DesktopConfig.name == body.name,
+            DesktopConfig.oem_id == body.oem_id,
+        )
+    )
     if existing is not None:
-        raise AdminDesktopConfigError("配置键名已存在")
+        raise AdminDesktopConfigError("该 OEM 下配置键名已存在")
 
-    row = DesktopConfig(name=body.name, value=body.value, mark=body.mark)
+    row = DesktopConfig(
+        name=body.name,
+        value=body.value,
+        mark=body.mark,
+        oem_id=body.oem_id,
+    )
     db.add(row)
     await db.flush()
     await db.refresh(row)
@@ -65,9 +75,15 @@ async def update_config(
         raise AdminDesktopConfigError("配置不存在")
 
     if body.name is not None and body.name != row.name:
-        taken = await db.scalar(select(DesktopConfig).where(DesktopConfig.name == body.name))
+        taken = await db.scalar(
+            select(DesktopConfig).where(
+                DesktopConfig.name == body.name,
+                DesktopConfig.oem_id == row.oem_id,
+                DesktopConfig.id != config_id,
+            )
+        )
         if taken is not None:
-            raise AdminDesktopConfigError("配置键名已存在")
+            raise AdminDesktopConfigError("该 OEM 下配置键名已存在")
         row.name = body.name
 
     if body.value is not None:
diff --git a/app/services/desktop_config.py b/app/services/desktop_config.py
index 16675b0..6c7f5cb 100644
--- a/app/services/desktop_config.py
+++ b/app/services/desktop_config.py
@@ -6,7 +6,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from app.models.desktopConfig import DesktopConfig
 
 
-async def list_all_as_map(db: AsyncSession) -> dict[str, str]:
-    result = await db.execute(select(DesktopConfig))
+async def list_all_as_map(db: AsyncSession, oem_id: int = 1) -> dict[str, str]:
+    result = await db.execute(select(DesktopConfig).where(DesktopConfig.oem_id == oem_id))
     rows = result.scalars().all()
     return {row.name: row.value for row in rows}
diff --git a/app/services/oem_desktop_config.py b/app/services/oem_desktop_config.py
new file mode 100644
index 0000000..3d9b5bb
--- /dev/null
+++ b/app/services/oem_desktop_config.py
@@ -0,0 +1,12 @@
+"""desktop_configs 表：键值配置。"""
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.desktopConfig import DesktopConfig
+
+
+async def list_all_as_map(db: AsyncSession,oem_id: int) -> dict[str, str]:
+    result = await db.execute(select(DesktopConfig).where(DesktopConfig.oem_id == oem_id))
+    rows = result.scalars().all()
+    return {row.name: row.value for row in rows}