diff --git a/py_eureka_client/__aws_info_loader.py b/py_eureka_client/__aws_info_loader.py
index 8c05041..e9f79ef 100644
--- a/py_eureka_client/__aws_info_loader.py
+++ b/py_eureka_client/__aws_info_loader.py
@@ -53,14 +53,15 @@ def __check_connectivity(self):
         _logger.warn(f"Cannot connect to amazon metadata services in address [{_AWS_METADATA_SERVICE_IP}]")
         return False
 
-    def get_ec2_metadata(self, meta_path, default_value=""):
+    def get_ec2_metadata(self, meta_path, default_value="", ignore_error=False):
         if not self.__can_access:
             _logger.warn(f"Cannot connect to amazon metadata services in address [{_AWS_METADATA_SERVICE_IP}], return default value. ")
             return default_value
         try:
             return http_client.load(f"{_AWS_METADATA_SERVICE_URL}meta-data/{meta_path}")[0]
         except Exception:
-            _logger.exception(f"error when loading metadata from aws {meta_path}")
+            log_excep = _logger.debug if ignore_error else _logger.exception
+            log_excep(f"error when loading metadata from aws {meta_path}")
             return default_value
 
     def get_instance_identity_document(self, default_value={}):
diff --git a/py_eureka_client/__init__.py b/py_eureka_client/__init__.py
index 3083496..ae1f28c 100644
--- a/py_eureka_client/__init__.py
+++ b/py_eureka_client/__init__.py
@@ -22,4 +22,4 @@
 SOFTWARE.
 """
 
-version="0.9.8"
\ No newline at end of file
+version="0.9.9"
\ No newline at end of file
diff --git a/py_eureka_client/eureka_client.py b/py_eureka_client/eureka_client.py
index f89a240..6615dd0 100644
--- a/py_eureka_client/eureka_client.py
+++ b/py_eureka_client/eureka_client.py
@@ -1034,9 +1034,9 @@ def __load_ec2_metadata_dict(self):
             'instance-type': amazon_info.get_ec2_metadata('instance-type'),
             'local-ipv4': amazon_info.get_ec2_metadata('local-ipv4'),
             'local-hostname': amazon_info.get_ec2_metadata('local-hostname'),
-            'availability-zone': amazon_info.get_ec2_metadata('placement/availability-zone'),
-            'public-hostname': amazon_info.get_ec2_metadata('public-hostname'),
-            'public-ipv4': amazon_info.get_ec2_metadata('public-ipv4'),
+            'availability-zone': amazon_info.get_ec2_metadata('placement/availability-zone', ignore_error=True),
+            'public-hostname': amazon_info.get_ec2_metadata('public-hostname', ignore_error=True),
+            'public-ipv4': amazon_info.get_ec2_metadata('public-ipv4', ignore_error=True),
             'mac': mac,
             'vpcId': vpc_id
         }