diff --git a/src/spaceone/inventory/managed_resource/metric/iam_service_account_count.yaml b/src/spaceone/inventory/managed_resource/metric/iam_service_account_count.yaml
index cbfefe02..d57ac78f 100644
--- a/src/spaceone/inventory/managed_resource/metric/iam_service_account_count.yaml
+++ b/src/spaceone/inventory/managed_resource/metric/iam_service_account_count.yaml
@@ -5,8 +5,6 @@ metric_type: GAUGE
 resource_type: identity.ServiceAccount
 query_options:
   group_by:
-    - key: workspace_id
-      name: Workspace ID
     - key: provider
       name: Provider
       default: true
@@ -19,4 +17,4 @@ query_options:
       operator: count
 unit: Count
 namespace_id: ns-managed-iam-summary
-version: '1.0'
\ No newline at end of file
+version: '1.1'
\ No newline at end of file
diff --git a/src/spaceone/inventory/manager/metric_manager.py b/src/spaceone/inventory/manager/metric_manager.py
index 61b4a775..bdcd18ae 100644
--- a/src/spaceone/inventory/manager/metric_manager.py
+++ b/src/spaceone/inventory/manager/metric_manager.py
@@ -720,6 +720,7 @@ def _get_labels_info(query_options: dict) -> list:
     @staticmethod
     def _analyze_service_accounts(query: dict, domain_id: str) -> list:
         default_group_by = [
+            "service_account_id",
             "project_id",
             "workspace_id",
         ]
diff --git a/src/spaceone/inventory/model/metric/database.py b/src/spaceone/inventory/model/metric/database.py
index e762218b..a9ce15a1 100644
--- a/src/spaceone/inventory/model/metric/database.py
+++ b/src/spaceone/inventory/model/metric/database.py
@@ -5,7 +5,7 @@
 class Metric(MongoModel):
     metric_id = StringField(max_length=80, unique_with="domain_id")
     metric_job_id = StringField(max_length=40)
-    name = StringField(max_length=40)
+    name = StringField(max_length=80)
     status = StringField(max_length=20, choices=["IN_PROGRESS", "DONE"], default="DONE")
     metric_type = StringField(max_length=40, choices=["COUNTER", "GAUGE"])
     resource_type = StringField()