diff --git a/delfin/drivers/macro_san/ms/ms_handler.py b/delfin/drivers/macro_san/ms/ms_handler.py
index d552b5cce..d0d7302d0 100644
--- a/delfin/drivers/macro_san/ms/ms_handler.py
+++ b/delfin/drivers/macro_san/ms/ms_handler.py
@@ -67,7 +67,7 @@ def get_storage(self, storage_id):
         if not storage_data_map:
             raise exception.SSHException('The command returns empty data')
         device_uuid = storage_data_map.get('DeviceUUID')
-        serial_number = '{}/{}'.format(self.ssh_host, device_uuid)
+        serial_number = '{}:{}'.format(self.ssh_host, device_uuid)
         storage_name = storage_data_map.get('DeviceName')
         firmware_version = self.get_firmware_version()
         pools = self.list_storage_pools(storage_id)
@@ -1048,7 +1048,7 @@ def get_storages(self):
         device_uuid = storage_data_map.get('DeviceUUID')
         storage_name = storage_data_map.get('DeviceName')
         resource_name = storage_name if storage_name else device_uuid
-        resource_id = '{}/{}'.format(self.ssh_host, device_uuid)
+        resource_id = '{}:{}'.format(self.ssh_host, device_uuid)
         return resource_id, resource_name
 
     def down_perf_file(self, folder, storage_id, pattern):
diff --git a/delfin/tests/unit/drivers/macro_san/ms/test_ms_stor.py b/delfin/tests/unit/drivers/macro_san/ms/test_ms_stor.py
index ee169d5be..aee142aca 100644
--- a/delfin/tests/unit/drivers/macro_san/ms/test_ms_stor.py
+++ b/delfin/tests/unit/drivers/macro_san/ms/test_ms_stor.py
@@ -864,7 +864,7 @@
 STORAGE_DATA = {
     'name': '0x00b34202-fea90000-fa41e0d6-ded905a8',
     'vendor': 'MacroSAN', 'status': 'normal',
-    'serial_number': '110.143.133.200/0x00b34202-fea90000-fa41e0d6-ded905a8',
+    'serial_number': '110.143.133.200:0x00b34202-fea90000-fa41e0d6-ded905a8',
     'firmware_version': 'V2.0.14T04',
     'raw_capacity': 1917702897664.0,
     'total_capacity': 7670811590656.0,
@@ -875,7 +875,7 @@
 STORAGE_TWO_DATA = {
     'name': 'Storage-1', 'vendor': 'MacroSAN',
     'status': 'normal',
-    'serial_number': '110.143.133.200/0x50b34200-0b750056-42ab74ff-6265d80e',
+    'serial_number': '110.143.133.200:0x50b34200-0b750056-42ab74ff-6265d80e',
     'firmware_version': 'V2.0.14T04',
     'raw_capacity': 1917702897664.0,
     'total_capacity': 7670811590656.0,