diff --git a/src/cloudforet/cost_analysis/connector/azure_cost_mgmt_connector.py b/src/cloudforet/cost_analysis/connector/azure_cost_mgmt_connector.py
index 69d27b9..0b45a7f 100644
--- a/src/cloudforet/cost_analysis/connector/azure_cost_mgmt_connector.py
+++ b/src/cloudforet/cost_analysis/connector/azure_cost_mgmt_connector.py
@@ -311,7 +311,7 @@ def convert_nested_dictionary(self, cloud_svc_object):
 
     def _retry_request(self, response, url, headers, json, retry_count, method="post"):
         try:
-            print(f"{datetime.utcnow()}[INFO] retry_request {response.headers}")
+            _LOGGER.error(f"{datetime.utcnow()}[INFO] retry_request {response.headers}")
             if retry_count == 0:
                 raise ERROR_UNKNOWN(
                     message=f"[ERROR] retry_request failed {response.json()}"
@@ -353,7 +353,7 @@ def _download_cost_data(blob: dict) -> str:
 
     @staticmethod
     def _get_sleep_time(response_headers):
-        sleep_time = 0
+        sleep_time = 30
         for key, value in response_headers.items():
             if "retry" in key.lower():
                 if isinstance(value, str) is False:
diff --git a/src/cloudforet/cost_analysis/manager/job_manager.py b/src/cloudforet/cost_analysis/manager/job_manager.py
index 36faffd..7873147 100644
--- a/src/cloudforet/cost_analysis/manager/job_manager.py
+++ b/src/cloudforet/cost_analysis/manager/job_manager.py
@@ -11,7 +11,7 @@
 
 _LOGGER = logging.getLogger("spaceone")
 
-_TASK_LIST_SIZE = 4
+_TASK_LIST_SIZE = 5
 
 
 class JobManager(BaseManager):