diff --git a/src/spaceone/dashboard/service/private_data_table_service.py b/src/spaceone/dashboard/service/private_data_table_service.py
index 94c26ec..13fa2d6 100644
--- a/src/spaceone/dashboard/service/private_data_table_service.py
+++ b/src/spaceone/dashboard/service/private_data_table_service.py
@@ -383,7 +383,7 @@ def load(self, params: PrivateDataTableLoadRequest) -> dict:
                 params.end,
                 params.vars,
             )
-            return ds_mgr.response(params.sort, params.page)
+            return ds_mgr.response_data(params.sort, params.page)
 
         else:
             operator = pri_data_table_vo.operator
@@ -404,7 +404,7 @@ def load(self, params: PrivateDataTableLoadRequest) -> dict:
                 params.end,
                 params.vars,
             )
-            return dt_mgr.response(params.sort, params.page)
+            return dt_mgr.response_data(params.sort, params.page)
 
     @transaction(
         permission="dashboard:PrivateDataTable.read",
diff --git a/src/spaceone/dashboard/service/private_widget_service.py b/src/spaceone/dashboard/service/private_widget_service.py
index f58a919..208cb37 100644
--- a/src/spaceone/dashboard/service/private_widget_service.py
+++ b/src/spaceone/dashboard/service/private_widget_service.py
@@ -398,6 +398,77 @@ def load(self, params: PrivateWidgetLoadRequest) -> dict:
                 params.vars,
             )
 
+    @transaction(
+        permission="dashboard:PrivateWidget.read",
+        role_types=["USER"],
+    )
+    @change_value_by_rule("APPEND", "workspace_id", "*")
+    @change_value_by_rule("APPEND", "project_id", "*")
+    @convert_model
+    def load_sum(self, params: PrivateWidgetLoadRequest) -> dict:
+        """Load private widget
+
+        Args:
+            params (dict): {
+                'widget_id': 'str',             # required
+                'query': 'dict (spaceone.api.core.v1.AnalyzeQuery)', # required
+                'vars': 'dict',
+                'user_id': 'str',               # injected from auth (required)
+                'domain_id': 'str'              # injected from auth (required)
+            }
+
+        Returns:
+            None
+        """
+
+        pri_widget_vo = self.pri_widget_mgr.get_private_widget(
+            params.widget_id,
+            params.domain_id,
+            params.user_id,
+        )
+
+        if pri_widget_vo.data_table_id is None:
+            raise ERROR_INVALID_PARAMETER(
+                key="widget_id", reason="Data table is not set."
+            )
+
+        pri_data_table_mgr = PrivateDataTableManager()
+        pri_data_table_vo = pri_data_table_mgr.get_private_data_table(
+            pri_widget_vo.data_table_id,
+            params.domain_id,
+            params.user_id,
+        )
+
+        if pri_data_table_vo.data_type == "ADDED":
+            ds_mgr = DataSourceManager(
+                "PRIVATE",
+                pri_data_table_vo.source_type,
+                pri_data_table_vo.options,
+                pri_data_table_vo.widget_id,
+                pri_data_table_vo.domain_id,
+            )
+            return ds_mgr.load_from_widget(
+                params.query,
+                params.vars,
+                column_sum=True,
+            )
+        else:
+            operator = pri_data_table_vo.operator
+            options = pri_data_table_vo.options.get(operator, {})
+
+            dt_mgr = DataTransformationManager(
+                "PRIVATE",
+                pri_data_table_vo.operator,
+                options,
+                pri_data_table_vo.widget_id,
+                pri_data_table_vo.domain_id,
+            )
+            return dt_mgr.load_from_widget(
+                params.query,
+                params.vars,
+                column_sum=True,
+            )
+
     @transaction(
         permission="dashboard:PrivateWidget.read",
         role_types=["USER"],
diff --git a/src/spaceone/dashboard/service/public_data_table_service.py b/src/spaceone/dashboard/service/public_data_table_service.py
index 56ebc2d..a51926e 100644
--- a/src/spaceone/dashboard/service/public_data_table_service.py
+++ b/src/spaceone/dashboard/service/public_data_table_service.py
@@ -407,7 +407,7 @@ def load(self, params: PublicDataTableLoadRequest) -> dict:
                 params.end,
                 params.vars,
             )
-            return ds_mgr.response(params.sort, params.page)
+            return ds_mgr.response_data(params.sort, params.page)
 
         else:
             operator = pub_data_table_vo.operator
@@ -428,7 +428,7 @@ def load(self, params: PublicDataTableLoadRequest) -> dict:
                 params.end,
                 params.vars,
             )
-            return dt_mgr.response(params.sort, params.page)
+            return dt_mgr.response_data(params.sort, params.page)
 
     @transaction(
         permission="dashboard:PublicDataTable.read",