diff --git a/src/spaceone/cost_analysis/plugin/data_source/model/data_source_response.py b/src/spaceone/cost_analysis/plugin/data_source/model/data_source_response.py
index 412935d2..651da8cb 100644
--- a/src/spaceone/cost_analysis/plugin/data_source/model/data_source_response.py
+++ b/src/spaceone/cost_analysis/plugin/data_source/model/data_source_response.py
@@ -53,7 +53,7 @@ class SupportedSecretType(str, Enum):
 
 
 class PluginMetadata(BaseModel):
-    data_source_rules: List[DataSourceRule]
+    data_source_rules: List[DataSourceRule] = []
     supported_secret_types: List[SupportedSecretType] = [SupportedSecretType.manual]
     currency: str = 'USD'
 
diff --git a/src/spaceone/cost_analysis/plugin/data_source/model/job_response.py b/src/spaceone/cost_analysis/plugin/data_source/model/job_response.py
index 0dec3c7e..4c402102 100644
--- a/src/spaceone/cost_analysis/plugin/data_source/model/job_response.py
+++ b/src/spaceone/cost_analysis/plugin/data_source/model/job_response.py
@@ -15,4 +15,4 @@ class Changed(BaseModel):
 
 class TasksResponse(BaseModel):
     tasks: List[Task]
-    changed: List[Changed]
+    changed: List[Changed] = []