diff --git a/src/spaceone/inventory_v2/interface/grpc/__init__.py b/src/spaceone/inventory_v2/interface/grpc/__init__.py
index e9e36ac..3585b9f 100644
--- a/src/spaceone/inventory_v2/interface/grpc/__init__.py
+++ b/src/spaceone/inventory_v2/interface/grpc/__init__.py
@@ -7,7 +7,8 @@
 
 # from .namespace_group import NamespaceGroup
 # from .namespace import Namespace
-from .metric import Metric
+from .metric_data import MetricData
+from .metric_example import MetricExample
 
 _all_ = ["app"]
 
@@ -19,3 +20,5 @@
 # app.add_service(NamespaceGroup)
 # app.add_service(Namespace)
 app.add_service(Metric)
+app.add_service(MetricData)
+app.add_service(MetricExample)
diff --git a/src/spaceone/inventory_v2/interface/grpc/metric_data.py b/src/spaceone/inventory_v2/interface/grpc/metric_data.py
index e8d06cf..d9859bc 100644
--- a/src/spaceone/inventory_v2/interface/grpc/metric_data.py
+++ b/src/spaceone/inventory_v2/interface/grpc/metric_data.py
@@ -1,6 +1,6 @@
 from spaceone.core.pygrpc import BaseAPI
 from spaceone.api.inventory_v2.v1 import metric_data_pb2, metric_data_pb2_grpc
-from spaceone.inventory.service.metric_data_service import MetricDataService
+from spaceone.inventory_v2.service.metric_data_service import MetricDataService
 
 
 class MetricData(BaseAPI, metric_data_pb2_grpc.MetricDataServicer):
diff --git a/src/spaceone/inventory_v2/interface/grpc/metric_example.py b/src/spaceone/inventory_v2/interface/grpc/metric_example.py
index f39d65d..fbffec8 100644
--- a/src/spaceone/inventory_v2/interface/grpc/metric_example.py
+++ b/src/spaceone/inventory_v2/interface/grpc/metric_example.py
@@ -1,6 +1,6 @@
 from spaceone.core.pygrpc import BaseAPI
 from spaceone.api.inventory_v2.v1 import metric_example_pb2, metric_example_pb2_grpc
-from spaceone.inventory.service.metric_example_service import MetricExampleService
+from spaceone.inventory_v2.service.metric_example_service import MetricExampleService
 
 
 class MetricExample(BaseAPI, metric_example_pb2_grpc.MetricExampleServicer):
diff --git a/src/spaceone/inventory_v2/manager/metric_example_manager.py b/src/spaceone/inventory_v2/manager/metric_example_manager.py
index 7cfce50..fd455c6 100644
--- a/src/spaceone/inventory_v2/manager/metric_example_manager.py
+++ b/src/spaceone/inventory_v2/manager/metric_example_manager.py
@@ -3,7 +3,7 @@
 
 from spaceone.core.model.mongo_model import QuerySet
 from spaceone.core.manager import BaseManager
-from spaceone.inventory.model.metric_example.database import MetricExample
+from spaceone.inventory_v2.model.metric_example.database import MetricExample
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/src/spaceone/inventory_v2/model/metric/request.py b/src/spaceone/inventory_v2/model/metric/request.py
index 747cd22..e0d7097 100644
--- a/src/spaceone/inventory_v2/model/metric/request.py
+++ b/src/spaceone/inventory_v2/model/metric/request.py
@@ -77,7 +77,7 @@ class MetricSearchQueryRequest(BaseModel):
     is_managed: Union[bool, None] = None
     exists_only: Union[bool, None] = None
     namespace_id: Union[str, None] = None
-    workspace_id: Union[str, list, None] = None
+    workspace_id: Union[list, str, None] = None
     domain_id: str