diff --git a/network-comm/nic/cellular/example_network_exception_handle_set_apn.py b/network-comm/nic/cellular/example_network_exception_handle_set_apn.py
new file mode 100644
index 0000000..4bd7c2d
--- /dev/null
+++ b/network-comm/nic/cellular/example_network_exception_handle_set_apn.py
@@ -0,0 +1,60 @@
+# Copyright (c) Quectel Wireless Solution, Co., Ltd.All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import checkNet
+import usocket
+import dataCall
+from misc import Power
+
+# Configure the APN information according to your actual needs
+usrCfg = {'apn': '3gnet', 'username': '', 'password': ''}
+
+def checkAPN():
+    # Get the APN information of the first cellular NIC and check if the current one is the one you specified
+    pdpCtx = dataCall.getPDPContext(1)
+    if pdpCtx != -1:
+        if pdpCtx[1] != usrCfg['apn']:
+            # If it is not the APN you need, configure it as follows
+            ret = dataCall.setPDPContext(1, 0, usrCfg['apn'], usrCfg['username'], usrCfg['password'], 0)
+            if ret == 0:
+                print('APN configuration successful. Ready to restart to make APN take effect.')
+                print('Please re-execute this program after restarting.')
+                # Make a data call according to the configured information after the module reboots
+                Power.powerRestart()
+            else:
+                print('APN configuration failed.')
+                return False
+        else:
+            print('The APN is correct and no configuration is required')
+            return True
+    else:
+        print('Failed to get PDP Context.')
+        return False
+
+
+def main():
+    checkpass = checkAPN()
+    if not checkpass:
+        return
+
+    stage, state = checkNet.waitNetworkReady(20)
+    if stage == 3 and state == 1:
+        print('Network connected successfully.')
+        # do something
+    else:
+        print('Network connected failed, stage={}, state={}'.format(stage, state))
+
+
+if __name__ == '__main__':
+    main()
\ No newline at end of file
diff --git a/network-comm/nic/cellular/example_socket_activate_default_nic_no_apn.py b/network-comm/nic/cellular/example_socket_activate_default_nic_no_apn.py
index 3ca3be9..bf42147 100644
--- a/network-comm/nic/cellular/example_socket_activate_default_nic_no_apn.py
+++ b/network-comm/nic/cellular/example_socket_activate_default_nic_no_apn.py
@@ -20,27 +20,27 @@ def main():
     stage, state = checkNet.waitNetworkReady(20)
     if stage == 3 and state == 1:
         print('Network connected successfully.')
-        # 创建一个socket对象
+        # Create a socket object
         sock = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
-        # 解析域名
+        # Resolve the domain name
         try:
             sockaddr = usocket.getaddrinfo('python.quectel.com', 80)[0][-1]
         except Exception:
             print('Domain name resolution failed.')
             sock.close()
             return
-        # 建立连接
+        # Connect to the server
         sock.connect(sockaddr)
-        # 向服务端发送消息
+        # Send data to the server
         ret = sock.send('GET /News HTTP/1.1\r\nHost: python.quectel.com\r\nAccept-Encoding: deflate\r\nConnection: keep-alive\r\n\r\n')
         print('send {} bytes'.format(ret))
 
-        # 接收服务端消息
+        # Receive data from the server
         data = sock.recv(256)
         print('recv {} bytes:'.format(len(data)))
         print(data.decode())
 
-        # 关闭连接
+        # Close the connection
         sock.close()
     else:
         print('Network connected failed, stage={}, state={}'.format(stage, state))
diff --git a/network-comm/nic/cellular/example_socket_activate_default_nic_set_apn.py b/network-comm/nic/cellular/example_socket_activate_default_nic_set_apn.py
index 19063fa..ef7c6c7 100644
--- a/network-comm/nic/cellular/example_socket_activate_default_nic_set_apn.py
+++ b/network-comm/nic/cellular/example_socket_activate_default_nic_set_apn.py
@@ -17,21 +17,21 @@
 import dataCall
 from misc import Power
 
-# 用户需要配置的APN信息，根据实际情况修改
+# Configure the APN information according to your actual needs
 usrCfg = {'apn': '3gnet', 'username': '', 'password': ''}
 
 
 def checkAPN():
-    # 获取第一路网卡的APN信息，确认当前使用的是否是用户指定的APN
+    # Get the APN information of the first cellular NIC and check if the current one is the one you specified
     pdpCtx = dataCall.getPDPContext(1)
     if pdpCtx != -1:
         if pdpCtx[1] != usrCfg['apn']:
-            # 如果不是用户需要的APN，使用如下方式配置
+            # If it is not the APN you need, configure it as follows
             ret = dataCall.setPDPContext(1, 0, usrCfg['apn'], usrCfg['username'], usrCfg['password'], 0)
             if ret == 0:
                 print('APN configuration successful. Ready to restart to make APN take effect.')
                 print('Please re-execute this program after restarting.')
-                # 重启后按照配置的信息进行拨号
+                # Make a data call according to the configured information after the module reboots
                 Power.powerRestart()
             else:
                 print('APN configuration failed.')
@@ -52,27 +52,27 @@ def main():
     stage, state = checkNet.waitNetworkReady(20)
     if stage == 3 and state == 1:
         print('Network connected successfully.')
-        # 创建一个socket对象
+        # Create a socket object
         sock = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
-        # 解析域名
+        # Resolve the domain name
         try:
             sockaddr = usocket.getaddrinfo('python.quectel.com', 80)[0][-1]
         except Exception:
             print('Domain name resolution failed.')
             sock.close()
             return
-        # 建立连接
+        # Connect to the server
         sock.connect(sockaddr)
-        # 向服务端发送消息
+        # Send data to the server
         ret = sock.send('GET /News HTTP/1.1\r\nHost: python.quectel.com\r\nAccept-Encoding: deflate\r\nConnection: keep-alive\r\n\r\n')
         print('send {} bytes'.format(ret))
 
-        # 接收服务端消息
+        # Receive data from the server
         data = sock.recv(256)
         print('recv {} bytes:'.format(len(data)))
         print(data.decode())
 
-        # 关闭连接
+        # Close the connection
         sock.close()
     else:
         print('Network connected failed, stage={}, state={}'.format(stage, state))
diff --git a/network-comm/nic/cellular/example_socket_activate_multiple_nic_set_apn.py b/network-comm/nic/cellular/example_socket_activate_multiple_nic_set_apn.py
index 4a1ed91..7131a82 100644
--- a/network-comm/nic/cellular/example_socket_activate_multiple_nic_set_apn.py
+++ b/network-comm/nic/cellular/example_socket_activate_multiple_nic_set_apn.py
@@ -18,7 +18,7 @@
 from misc import Power
 
 
-# 用户需要配置的APN信息，根据实际情况修改
+# Configure the APN information according to your actual needs
 usrCfg1 = {'profileID': 1, 'apn': '3gnet', 'username': '', 'password': ''}
 usrCfg2 = {'profileID': 2, 'apn': '3gwap', 'username': '', 'password': ''}
 
@@ -29,15 +29,15 @@ def checkAPN(usrCfg, reboot=False):
         return False
 
     print('Check the APN configuration of the {} network card.'.format(usrCfg['profileID']))
-    # 获取网卡的APN信息，确认当前使用的是否是用户指定的APN
+    # Get the APN information of the cellular NICs and check if the current one is the one you specified
     pdpCtx = dataCall.getPDPContext(usrCfg['profileID'])
     if pdpCtx != -1:
         if pdpCtx[1] != usrCfg['apn']:
-            # 如果不是用户需要的APN，使用如下方式配置
+            # If it is not the APN you need, configure it as follows
             ret = dataCall.setPDPContext(usrCfg['profileID'], 0, usrCfg['apn'], usrCfg['username'], usrCfg['password'], 0)
             if ret == 0:
                 print('APN configuration successful.')
-                # 重启后按照配置的信息进行拨号
+                # Make a data call according to the configured information after the module reboots
                 if reboot:
                     print('Ready to restart to make APN take effect.')
                     print('Please re-execute this program after restarting.')
@@ -56,20 +56,20 @@ def checkAPN(usrCfg, reboot=False):
 
 
 def main():
-    # 使能第一路网卡开机自动激活功能
+    # Enable automatic activation for NIC1
     dataCall.setAutoActivate(1, 1)
-    # 使能第一路网卡自动重连功能
+    # Enable automatic reconnection for NIC1
     dataCall.setAutoConnect(1, 1)
-    # 使能第二路网卡开机自动激活功能
+    # Enable automatic activation for NIC2
     dataCall.setAutoActivate(2, 1)
-    # 使能第二路网卡自动重连功能
+    # Enable automatic reconnection for NIC2
     dataCall.setAutoConnect(2, 1)
 
-    # 检查第一路网卡的APN配置，暂时不重启
+    # Check the APN configuration of NIC1. Do not reboot now.
     checkpass = checkAPN(usrCfg1, reboot=False)
     if not checkpass:
         return
-    # 检查第二路网卡的APN配置，配置后重启
+    # Check the APN configuration of NIC2. Reboot the module after configuration.
     checkpass = checkAPN(usrCfg2, reboot=True)
     if not checkpass:
         return
@@ -77,7 +77,7 @@ def main():
     stage, state = checkNet.waitNetworkReady(20)
     if stage == 3 and state == 1:
         print('Network connected successfully.')
-        # 分别获取第一路和第二路网卡的IP地址信息
+        # Get the IP addresses of NIC1 and NIC2
         ret1 = dataCall.getInfo(usrCfg1['profileID'], 0)
         ret2 = dataCall.getInfo(usrCfg2['profileID'], 0)
         print('NIC{}：{}'.format(usrCfg1['profileID'], ret1))
@@ -98,45 +98,45 @@ def main():
         print('NIC{} ip：{}'.format(usrCfg2['profileID'], ip_nic2))
 
         print('---------------sock1 test-----------------')
-        # 创建socket对象
+        # Create a socket object
         sock1 = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
-        # 解析域名
+        # Resolve the domain name
         try:
             sockaddr = usocket.getaddrinfo('python.quectel.com', 80)[0][-1]
         except Exception:
             print('Domain name resolution failed.')
             sock1.close()
             return
-        # 建立连接
+        # Connect to the server
         sock1.connect(sockaddr)
-        # 向服务端发送消息
+        # Send data to the server
         ret = sock1.send('GET /News HTTP/1.1\r\nHost: python.quectel.com\r\nAccept-Encoding: deflate\r\nConnection: keep-alive\r\n\r\n')
         print('send {} bytes'.format(ret))
-        # 接收服务端消息
+        # Receive data from the server
         data = sock1.recv(256)
         print('recv {} bytes:'.format(len(data)))
         print(data.decode())
-        # 关闭连接
+        # Close the connection
         sock1.close()
         print('---------------sock2 test-----------------')
         sock2 = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM, usocket.TCP_CUSTOMIZE_PORT)
         sock2.bind((ip_nic2, 0))
         sock2.settimeout(10)
-        # 服务器IP和端口，下面的IP和端口仅作示例参考
+        # Configure server IP address and port number. The IP address and port number below are for example only
         server_addr = ('220.180.239.212', 8305)
-        # 建立连接
+        # Connect to the server
         sock2.connect(server_addr)
-        # 向服务器发送消息
+        # Send data to the server
         ret = sock2.send('test data.')
         print('send {} bytes'.format(ret))
-        # 接收服务端消息
+        # Receive data from the server
         try:
             data = sock2.recv(256)
             print('recv {} bytes:'.format(len(data)))
             print(data.decode())
         except Exception:
             print('No reply from server.')
-        # 关闭连接
+        # Close the connection
         sock2.close()
     else:
         print('Network connected failed, stage={}, state={}'.format(stage, state))
diff --git a/network-comm/nic/cellular/example_socket_manually_activate_multiple_nic_set_apn.py b/network-comm/nic/cellular/example_socket_manually_activate_multiple_nic_set_apn.py
index 8a541d4..cdcda28 100644
--- a/network-comm/nic/cellular/example_socket_manually_activate_multiple_nic_set_apn.py
+++ b/network-comm/nic/cellular/example_socket_manually_activate_multiple_nic_set_apn.py
@@ -18,40 +18,40 @@
 import utime
 from misc import Power
 
-# 用户需要配置的APN信息，根据实际情况修改
+# Configure the APN information according to your actual needs
 usrCfg1 = {'profileID': 1, 'apn': '3gnet', 'username': '', 'password': ''}
 usrCfg2 = {'profileID': 2, 'apn': '3gwap', 'username': '', 'password': ''}
 
 '''
-关闭开机自动拨号功能
-返回值表示是否需要重启设备
-True - 需要重启
-False - 不需要重启
+Disable the feature of automatic data call at startup
+The return value indicates whether the module needs rebooting
+True - Need
+False - Not need
 '''
 def disableAutoActivate():
     need_reboot = False
     if "datacall_config.json" not in uos.listdir('/usr'):
-        # 关闭第一路网卡开机自动激活功能
+        # Disable automatic activation at startup for NIC1
         dataCall.setAutoActivate(1, 0)
-        # 建议用户使能网卡自动重连功能
+        # It is recommended to enable the automatic reconnection for the cellular NICs
         dataCall.setAutoConnect(1, 1)
         need_reboot = True
     return need_reboot
 
 '''
-为蜂窝无线网卡配置APN参数
-返回值表示是否需要重启设备
-True - 需要重启
-False - 不需要重启
+Configure APN parameters for the cellular NIC
+The return value indicates whether the module needs rebooting
+True - Need
+False - Not need
 '''
 def cfgAPN(usrCfg):
     need_reboot = False
     print('Check the APN configuration of the NIC{}.'.format(usrCfg['profileID']))
-    # 获取网卡的APN信息，确认当前使用的是否是用户指定的APN
+    # Get the APN information of the cellular NICs and check if the current one is the one you specified
     pdpCtx = dataCall.getPDPContext(usrCfg['profileID'])
     if pdpCtx != -1:
         if pdpCtx[1] != usrCfg['apn']:
-            # 如果不是用户需要的APN，使用如下方式配置
+            # If it is not the APN you need, configure it as follows
             ret = dataCall.setPDPContext(usrCfg['profileID'], 0, usrCfg['apn'], usrCfg['username'], usrCfg['password'], 0)
             if ret == 0:
                 print('APN configuration successful.')
@@ -76,7 +76,7 @@ def main():
         Power.powerRestart()
         utime.sleep(2)
 
-    # 手动激活蜂窝无线网卡
+    # Manually activate the cellular NICs
     print('Prepare to activate the NIC{}.'.format(usrCfg1['profileID']))
     ret = dataCall.activate(usrCfg1['profileID'])
     if ret == -1:
@@ -91,7 +91,7 @@ def main():
     stage, state = checkNet.waitNetworkReady(10)
     if stage == 3 and state == 1:
         print('Network connected successfully.')
-        # 分别获取第一路和第二路网卡的IP地址信息
+        # Get the IP address of NIC2 and NIC2
         ret1 = dataCall.getInfo(usrCfg1['profileID'], 0)
         ret2 = dataCall.getInfo(usrCfg2['profileID'], 0)
         print('NIC{}：{}'.format(usrCfg1['profileID'], ret1))
@@ -112,48 +112,48 @@ def main():
         print('NIC{} ip：{}'.format(usrCfg2['profileID'], ip_nic2))
 
         print('---------------sock1 test-----------------')
-        # 创建socket对象
+        # Create a socket object
         sock1 = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
-        # 解析域名
+        # Resolve the domain name
         try:
             sockaddr = usocket.getaddrinfo('python.quectel.com', 80)[0][-1]
         except Exception:
             print('Domain name resolution failed.')
             sock1.close()
             return
-        # 建立连接
+        # Connect to the server
         sock1.connect(sockaddr)
-        # 向服务端发送消息
+        # Send data to the server
         ret = sock1.send('GET /News HTTP/1.1\r\nHost: python.quectel.com\r\nAccept-Encoding: deflate\r\nConnection: keep-alive\r\n\r\n')
         print('send {} bytes'.format(ret))
-        # 接收服务端消息
+        # Receive data from the server
         data = sock1.recv(256)
         print('recv {} bytes:'.format(len(data)))
         print(data.decode())
-        # 关闭连接
+        # Close the connection
         sock1.close()
         print('---------------sock2 test-----------------')
         sock2 = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM, usocket.TCP_CUSTOMIZE_PORT)
         sock2.bind((ip_nic2, 0))
         sock2.settimeout(10)
-        # 服务器IP和端口，下面的IP和端口仅作示例参考
+        # Configure server IP address and port number. The IP address and port number below are for example only
         server_addr = ('220.180.239.212', 8305)
-        # 建立连接
+        # Connect to the server
         sock2.connect(server_addr)
-        # 向服务器发送消息
+        # Send data to the server
         ret = sock2.send('test data.')
         print('send {} bytes'.format(ret))
-        # 接收服务端消息
+        # Receive data from the server
         try:
             data = sock2.recv(256)
             print('recv {} bytes:'.format(len(data)))
             print(data.decode())
         except Exception:
             print('No reply from server.')
-        # 关闭连接
+        # Close the connection
         sock2.close()
 
-        # 用户根据需要决定是否需要在通信结束对网卡进行去激活
+        # ecide whether to deactivate the NIC after communication ends as needed
         # dataCall.deactivate(usrCfg1['profileID'])
         # dataCall.deactivate(usrCfg2['profileID'])
     else:
diff --git a/network-comm/nic/cellular/example_socket_manually_activate_one_nic_set_apn.py b/network-comm/nic/cellular/example_socket_manually_activate_one_nic_set_apn.py
index 9de21e5..7302654 100644
--- a/network-comm/nic/cellular/example_socket_manually_activate_one_nic_set_apn.py
+++ b/network-comm/nic/cellular/example_socket_manually_activate_one_nic_set_apn.py
@@ -18,31 +18,31 @@
 import utime
 from misc import Power
 
-# 用户需要配置的APN信息，根据实际情况修改
+# Configure the APN information according to your actual needs
 usrCfg1 = {'profileID': 1, 'apn': '3gnet', 'username': '', 'password': ''}
 
 '''
-环境配置：
-1.关闭开机自动拨号功能
-2.APN配置
+Environment configuration:
+1. Disable the feature of automatic data call at startup
+2. Configure APN
 '''
 def cfgEnv(usrCfg):
     errcode = 0
     need_reboot1 = False
     need_reboot2 = False
     if "datacall_config.json" not in uos.listdir('/usr'):
-        # 关闭第一路网卡开机自动激活功能
+        # Disable automatic activation at startup for the first cellular NIC
         dataCall.setAutoActivate(usrCfg['profileID'], 0)
-        # 建议用户使能网卡自动重连功能
+        # It is recommended to enable the automatic reconnection for the cellular NIC
         dataCall.setAutoConnect(usrCfg['profileID'], 1)
         need_reboot1 = True
 
     print('Check the APN configuration.')
-    # 获取网卡的APN信息，确认当前使用的是否是用户指定的APN
+    # Get the APN information of the cellular NICs and check if the current one is the one you specified
     pdpCtx = dataCall.getPDPContext(usrCfg['profileID'])
     if pdpCtx != -1:
         if pdpCtx[1] != usrCfg['apn']:
-            # 如果不是用户需要的APN，使用如下方式配置
+            # If it is not the APN you need, configure it as follows
             ret = dataCall.setPDPContext(usrCfg['profileID'], 0, usrCfg['apn'], usrCfg['username'], usrCfg['password'], 0)
             if ret == 0:
                 print('APN configuration successful.')
@@ -56,7 +56,7 @@ def cfgEnv(usrCfg):
     else:
         print('Failed to get PDP Context.')
         errcode = -1
-    # 重启使配置生效
+    # Reboot the module to make the configuration take effect
     if need_reboot1 or need_reboot2:
         print('Ready to restart.')
         print('Please re-execute this program after restarting.')
@@ -69,7 +69,7 @@ def main():
     if cfgEnv(usrCfg1) == -1:
         return
 
-    # 手动激活蜂窝无线网卡
+    # Manually activate the cellular NIC
     print('Prepare to activate the NIC{}.'.format(usrCfg1['profileID']))
     ret = dataCall.activate(usrCfg1['profileID'])
     if ret == -1:
@@ -79,33 +79,33 @@ def main():
     stage, state = checkNet.waitNetworkReady(10)
     if stage == 3 and state == 1:
         print('Network connected successfully.')
-        # 获取第一路网卡的IP地址等信息
+        # Get the IP address and other information of the first NIC
         ret = dataCall.getInfo(usrCfg1['profileID'], 0)
         print('NIC{}：{}'.format(usrCfg1['profileID'], ret))
 
         print('---------------sock test-----------------')
-        # 创建socket对象
+        # Create a socket object
         sock = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
-        # 解析域名
+        # Resolve the domain name
         try:
             sockaddr = usocket.getaddrinfo('python.quectel.com', 80)[0][-1]
         except Exception:
             print('Domain name resolution failed.')
             sock.close()
             return
-        # 建立连接
+        # Connect to the server
         sock.connect(sockaddr)
-        # 向服务端发送消息
+        # Send data to the server
         ret = sock.send('GET /News HTTP/1.1\r\nHost: python.quectel.com\r\nAccept-Encoding: deflate\r\nConnection: keep-alive\r\n\r\n')
         print('send {} bytes'.format(ret))
-        # 接收服务端消息
+        # Receive data from the server
         data = sock.recv(256)
         print('recv {} bytes:'.format(len(data)))
         print(data.decode())
-        # 关闭连接
+        # Close the connection
         sock.close()
 
-        # 用户根据需要决定是否需要在通信结束对网卡进行去激活
+        # Decide whether to deactivate the NIC after communication ends as needed
         # dataCall.deactivate(usrCfg1['profileID'])
     else:
         print('Network connected failed, stage={}, state={}'.format(stage, state))