diff --git a/src/spaceone/config/conf/global_conf.py b/src/spaceone/config/conf/global_conf.py
index 28230d4..56c6790 100644
--- a/src/spaceone/config/conf/global_conf.py
+++ b/src/spaceone/config/conf/global_conf.py
@@ -39,3 +39,17 @@
 
 # System Token Settings
 TOKEN = ""
+
+# Default Domain Unified Cost Configuration
+DEFAULT_UNIFIED_COST_CONFIG = {
+
+    "run_hour": 0,
+    "aggregation_day": 15,
+    "is_last_day": False,
+    "exchange_source": "Yahoo Finance!",
+    "exchange_date": 15,
+    "is_exchange_last_day": False,
+    "exchange_rate_mode": "AUTO",
+    # "custom_exchange_rate": {},
+    "currency": "KRW",
+}
diff --git a/src/spaceone/config/service/domain_config_service.py b/src/spaceone/config/service/domain_config_service.py
index 4e404a7..74eb1de 100644
--- a/src/spaceone/config/service/domain_config_service.py
+++ b/src/spaceone/config/service/domain_config_service.py
@@ -2,6 +2,7 @@
 
 from spaceone.core.service import *
 
+from spaceone.core import config
 from spaceone.config.manager.domain_config_manager import DomainConfigManager
 from spaceone.config.model import DomainConfig
 
@@ -117,10 +118,15 @@ def get(self, params: dict) -> DomainConfig:
             domain_config_vo (object)
         """
 
-        return self.domain_config_mgr.get_domain_config(
+        domain_config_vo = self.domain_config_mgr.get_domain_config(
             params["name"], params["domain_id"]
         )
 
+        if domain_config_vo.name == "settings":
+            domain_config_vo = self._get_config_vo_with_default_unified_cost_config(domain_config_vo)
+
+        return domain_config_vo
+
     @transaction(permission="config:DomainConfig.read", role_types=["DOMAIN_ADMIN"])
     @check_required(["domain_id"])
     @append_query_filter(["name", "domain_id"])
@@ -162,3 +168,11 @@ def stat(self, params: dict) -> dict:
 
         query = params.get("query", {})
         return self.domain_config_mgr.state_domain_configs(query)
+
+    def _get_config_vo_with_default_unified_cost_config(self, domain_config_vo) -> DomainConfig:
+        domain_config_data: dict = domain_config_vo.data
+        if not domain_config_data.get("unified_cost_config", {}):
+            domain_config_data["unified_cost_config"] = config.get_global("DEFAULT_UNIFIED_COST_CONFIG", {})
+            domain_config_vo = self.domain_config_mgr.update_domain_config_by_vo({"data": domain_config_data},
+                                                                                 domain_config_vo)
+        return domain_config_vo