diff --git a/lib/ansible/modules/network/cloudengine/ce_interface.py b/lib/ansible/modules/network/cloudengine/ce_interface.py
index 7b126e814f4..1bbee31b726 100644
--- a/lib/ansible/modules/network/cloudengine/ce_interface.py
+++ b/lib/ansible/modules/network/cloudengine/ce_interface.py
@@ -274,49 +274,45 @@ def get_interface_type(interface):
     if interface is None:
         return None
 
-    iftype = None
-
     if interface.upper().startswith('GE'):
-        iftype = 'ge'
+        return 'ge'
     elif interface.upper().startswith('10GE'):
-        iftype = '10ge'
+        return '10ge'
     elif interface.upper().startswith('25GE'):
-        iftype = '25ge'
+        return '25ge'
     elif interface.upper().startswith('4X10GE'):
-        iftype = '4x10ge'
+        return '4x10ge'
     elif interface.upper().startswith('40GE'):
-        iftype = '40ge'
+        return '40ge'
     elif interface.upper().startswith('100GE'):
-        iftype = '100ge'
+        return '100ge'
     elif interface.upper().startswith('VLANIF'):
-        iftype = 'vlanif'
+        return 'vlanif'
     elif interface.upper().startswith('LOOPBACK'):
-        iftype = 'loopback'
+        return 'loopback'
     elif interface.upper().startswith('METH'):
-        iftype = 'meth'
+        return 'meth'
     elif interface.upper().startswith('ETH-TRUNK'):
-        iftype = 'eth-trunk'
+        return 'eth-trunk'
     elif interface.upper().startswith('VBDIF'):
-        iftype = 'vbdif'
+        return 'vbdif'
     elif interface.upper().startswith('NVE'):
-        iftype = 'nve'
+        return 'nve'
     elif interface.upper().startswith('TUNNEL'):
-        iftype = 'tunnel'
+        return 'tunnel'
     elif interface.upper().startswith('ETHERNET'):
-        iftype = 'ethernet'
+        return 'ethernet'
     elif interface.upper().startswith('FCOE-PORT'):
-        iftype = 'fcoe-port'
+        return 'fcoe-port'
     elif interface.upper().startswith('FABRIC-PORT'):
-        iftype = 'fabric-port'
+        return 'fabric-port'
     elif interface.upper().startswith('STACK-PORT'):
-        iftype = 'stack-port'
+        return 'stack-port'
     elif interface.upper().startswith('NULL'):
-        iftype = 'null'
+        return 'null'
     else:
         return None
 
-    return iftype.lower()
-
 
 def is_admin_state_enable(iftype):
     """admin state disable: loopback nve"""
diff --git a/lib/ansible/modules/network/cloudengine/ce_interface_ospf.py b/lib/ansible/modules/network/cloudengine/ce_interface_ospf.py
index b011ac3658d..f8c17e2e23f 100644
--- a/lib/ansible/modules/network/cloudengine/ce_interface_ospf.py
+++ b/lib/ansible/modules/network/cloudengine/ce_interface_ospf.py
@@ -285,49 +285,45 @@ def get_interface_type(interface):
     if interface is None:
         return None
 
-    iftype = None
-
     if interface.upper().startswith('GE'):
-        iftype = 'ge'
+        return 'ge'
     elif interface.upper().startswith('10GE'):
-        iftype = '10ge'
+        return '10ge'
     elif interface.upper().startswith('25GE'):
-        iftype = '25ge'
+        return '25ge'
     elif interface.upper().startswith('4X10GE'):
-        iftype = '4x10ge'
+        return '4x10ge'
     elif interface.upper().startswith('40GE'):
-        iftype = '40ge'
+        return '40ge'
     elif interface.upper().startswith('100GE'):
-        iftype = '100ge'
+        return '100ge'
     elif interface.upper().startswith('VLANIF'):
-        iftype = 'vlanif'
+        return 'vlanif'
     elif interface.upper().startswith('LOOPBACK'):
-        iftype = 'loopback'
+        return 'loopback'
     elif interface.upper().startswith('METH'):
-        iftype = 'meth'
+        return 'meth'
     elif interface.upper().startswith('ETH-TRUNK'):
-        iftype = 'eth-trunk'
+        return 'eth-trunk'
     elif interface.upper().startswith('VBDIF'):
-        iftype = 'vbdif'
+        return 'vbdif'
     elif interface.upper().startswith('NVE'):
-        iftype = 'nve'
+        return 'nve'
     elif interface.upper().startswith('TUNNEL'):
-        iftype = 'tunnel'
+        return 'tunnel'
     elif interface.upper().startswith('ETHERNET'):
-        iftype = 'ethernet'
+        return 'ethernet'
     elif interface.upper().startswith('FCOE-PORT'):
-        iftype = 'fcoe-port'
+        return 'fcoe-port'
     elif interface.upper().startswith('FABRIC-PORT'):
-        iftype = 'fabric-port'
+        return 'fabric-port'
     elif interface.upper().startswith('STACK-PORT'):
-        iftype = 'stack-port'
+        return 'stack-port'
     elif interface.upper().startswith('NULL'):
-        iftype = 'null'
+        return 'null'
     else:
         return None
 
-    return iftype.lower()
-
 
 def is_valid_v4addr(addr):
     """check is ipv4 addr is valid"""
diff --git a/lib/ansible/modules/network/cloudengine/ce_ip_interface.py b/lib/ansible/modules/network/cloudengine/ce_ip_interface.py
index e6ed37dbe75..8d900a9b9b4 100644
--- a/lib/ansible/modules/network/cloudengine/ce_ip_interface.py
+++ b/lib/ansible/modules/network/cloudengine/ce_ip_interface.py
@@ -303,49 +303,45 @@ def get_interface_type(interface):
     if interface is None:
         return None
 
-    iftype = None
-
     if interface.upper().startswith('GE'):
-        iftype = 'ge'
+        return 'ge'
     elif interface.upper().startswith('10GE'):
-        iftype = '10ge'
+        return '10ge'
     elif interface.upper().startswith('25GE'):
-        iftype = '25ge'
+        return '25ge'
     elif interface.upper().startswith('4X10GE'):
-        iftype = '4x10ge'
+        return '4x10ge'
     elif interface.upper().startswith('40GE'):
-        iftype = '40ge'
+        return '40ge'
     elif interface.upper().startswith('100GE'):
-        iftype = '100ge'
+        return '100ge'
     elif interface.upper().startswith('VLANIF'):
-        iftype = 'vlanif'
+        return 'vlanif'
     elif interface.upper().startswith('LOOPBACK'):
-        iftype = 'loopback'
+        return 'loopback'
     elif interface.upper().startswith('METH'):
-        iftype = 'meth'
+        return 'meth'
     elif interface.upper().startswith('ETH-TRUNK'):
-        iftype = 'eth-trunk'
+        return 'eth-trunk'
     elif interface.upper().startswith('VBDIF'):
-        iftype = 'vbdif'
+        return 'vbdif'
     elif interface.upper().startswith('NVE'):
-        iftype = 'nve'
+        return 'nve'
     elif interface.upper().startswith('TUNNEL'):
-        iftype = 'tunnel'
+        return 'tunnel'
     elif interface.upper().startswith('ETHERNET'):
-        iftype = 'ethernet'
+        return 'ethernet'
     elif interface.upper().startswith('FCOE-PORT'):
-        iftype = 'fcoe-port'
+        return 'fcoe-port'
     elif interface.upper().startswith('FABRIC-PORT'):
-        iftype = 'fabric-port'
+        return 'fabric-port'
     elif interface.upper().startswith('STACK-PORT'):
-        iftype = 'stack-port'
+        return 'stack-port'
     elif interface.upper().startswith('NULL'):
-        iftype = 'null'
+        return 'null'
     else:
         return None
 
-    return iftype.lower()
-
 
 def is_valid_v4addr(addr):
     """check is ipv4 addr is valid"""
diff --git a/lib/ansible/modules/network/cloudengine/ce_link_status.py b/lib/ansible/modules/network/cloudengine/ce_link_status.py
index f617f8cbf05..2b86da25384 100644
--- a/lib/ansible/modules/network/cloudengine/ce_link_status.py
+++ b/lib/ansible/modules/network/cloudengine/ce_link_status.py
@@ -197,49 +197,45 @@ def get_interface_type(interface):
     if interface is None:
         return None
 
-    iftype = None
-
     if interface.upper().startswith('GE'):
-        iftype = 'ge'
+        return 'ge'
     elif interface.upper().startswith('10GE'):
-        iftype = '10ge'
+        return '10ge'
     elif interface.upper().startswith('25GE'):
-        iftype = '25ge'
+        return '25ge'
     elif interface.upper().startswith('4X10GE'):
-        iftype = '4x10ge'
+        return '4x10ge'
     elif interface.upper().startswith('40GE'):
-        iftype = '40ge'
+        return '40ge'
     elif interface.upper().startswith('100GE'):
-        iftype = '100ge'
+        return '100ge'
     elif interface.upper().startswith('VLANIF'):
-        iftype = 'vlanif'
+        return 'vlanif'
     elif interface.upper().startswith('LOOPBACK'):
-        iftype = 'loopback'
+        return 'loopback'
     elif interface.upper().startswith('METH'):
-        iftype = 'meth'
+        return 'meth'
     elif interface.upper().startswith('ETH-TRUNK'):
-        iftype = 'eth-trunk'
+        return 'eth-trunk'
     elif interface.upper().startswith('VBDIF'):
-        iftype = 'vbdif'
+        return 'vbdif'
     elif interface.upper().startswith('NVE'):
-        iftype = 'nve'
+        return 'nve'
     elif interface.upper().startswith('TUNNEL'):
-        iftype = 'tunnel'
+        return 'tunnel'
     elif interface.upper().startswith('ETHERNET'):
-        iftype = 'ethernet'
+        return 'ethernet'
     elif interface.upper().startswith('FCOE-PORT'):
-        iftype = 'fcoe-port'
+        return 'fcoe-port'
     elif interface.upper().startswith('FABRIC-PORT'):
-        iftype = 'fabric-port'
+        return 'fabric-port'
     elif interface.upper().startswith('STACK-PORT'):
-        iftype = 'stack-Port'
+        return 'stack-Port'
     elif interface.upper().startswith('NULL'):
-        iftype = 'null'
+        return 'null'
     else:
         return None
 
-    return iftype.lower()
-
 
 def is_ethernet_port(interface):
     """Judge whether it is ethernet port"""