diff --git a/applications/app/BUILD.gn b/applications/app/BUILD.gn
index a393944131e185060d73e9fba31197fdae24469a..6625758e7da78047ecf0a63b95f8cbff3634f9bd 100644
--- a/applications/app/BUILD.gn
+++ b/applications/app/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW001_OS_helloworld/BUILD.gn b/applications/app/TW001_OS_helloworld/BUILD.gn
index 28d6cec77a453ac05e8cd5116dc8b4906b2902b2..6ce74a81e163d26448df4d0e94538a106e8c4cca 100644
--- a/applications/app/TW001_OS_helloworld/BUILD.gn
+++ b/applications/app/TW001_OS_helloworld/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW002_OS_thread/BUILD.gn b/applications/app/TW002_OS_thread/BUILD.gn
index 9b6e8ef3456476599439ae2419f5f14925e0854f..1f33d6158bdd9888f77cb8dadfa4e8c9e2fd14c5 100644
--- a/applications/app/TW002_OS_thread/BUILD.gn
+++ b/applications/app/TW002_OS_thread/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW003_OS_timer/BUILD.gn b/applications/app/TW003_OS_timer/BUILD.gn
index 33d5236ad807fc744614fea5a98549322edcd107..36760174b333c787e7a60a018e80739a7d4b3519 100644
--- a/applications/app/TW003_OS_timer/BUILD.gn
+++ b/applications/app/TW003_OS_timer/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW004_OS_event/BUILD.gn b/applications/app/TW004_OS_event/BUILD.gn
index a3046e15d1e2a4afb60794ee8ba24e224a3b0a7d..276b91c6655707ca2196435d1faaf9eb835ee179 100644
--- a/applications/app/TW004_OS_event/BUILD.gn
+++ b/applications/app/TW004_OS_event/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW005_OS_mutex/BUILD.gn b/applications/app/TW005_OS_mutex/BUILD.gn
index ee3d2c9a5911047b3ad97eb51b6a0c8f97c045d4..a295d0b92eec71fd9ab2e4165274588ac52fb496 100644
--- a/applications/app/TW005_OS_mutex/BUILD.gn
+++ b/applications/app/TW005_OS_mutex/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW006_OS_semp/BUILD.gn b/applications/app/TW006_OS_semp/BUILD.gn
index 3263bcb004dc8ce5b6a5b8e7401ac03da7566a8b..7d31320529e75abddcb0cc6aaf95870367e101ba 100644
--- a/applications/app/TW006_OS_semp/BUILD.gn
+++ b/applications/app/TW006_OS_semp/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW007_OS_message/BUILD.gn b/applications/app/TW007_OS_message/BUILD.gn
index 8d19c159e498b2aa76c557ae2f0d827fdad60748..5a6805aa7134520217c5e0b855c13936082d07c3 100644
--- a/applications/app/TW007_OS_message/BUILD.gn
+++ b/applications/app/TW007_OS_message/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW202_Module_traffic_light/BUILD.gn b/applications/app/TW202_Module_traffic_light/BUILD.gn
index 9358c88f329c57aabf15c8a253d94f3cd38c1e9d..1b3579076cef2403dd43d5d46f4afa71a2dbde6c 100755
--- a/applications/app/TW202_Module_traffic_light/BUILD.gn
+++ b/applications/app/TW202_Module_traffic_light/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb  Co., Ltd.
 # 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
diff --git a/applications/app/TW202_Module_traffic_light/traffic_light_example.c b/applications/app/TW202_Module_traffic_light/traffic_light_example.c
index a100e409c6d8e2df1d37c6fbb569482ed16965c6..153dfc13f656e0ec3326f322d22532de7cfa6fec 100755
--- a/applications/app/TW202_Module_traffic_light/traffic_light_example.c
+++ b/applications/app/TW202_Module_traffic_light/traffic_light_example.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW204_Module_enviroment/BUILD.gn b/applications/app/TW204_Module_enviroment/BUILD.gn
index 676ad67a4b49d3b8e1267b7bb4b3e0a89de58b3e..2ce6bcd59f4df292828b13b58b13bf054ac2988b 100644
--- a/applications/app/TW204_Module_enviroment/BUILD.gn
+++ b/applications/app/TW204_Module_enviroment/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW204_Module_enviroment/CGsensor.c b/applications/app/TW204_Module_enviroment/CGsensor.c
index 4ad885f7a019aed4b50b51b0d6f36728ee25b5bb..f2aa17b867c572406efbe5e60c573b2f5524472e 100644
--- a/applications/app/TW204_Module_enviroment/CGsensor.c
+++ b/applications/app/TW204_Module_enviroment/CGsensor.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW204_Module_enviroment/THsensor.c b/applications/app/TW204_Module_enviroment/THsensor.c
index c64a407f5f7f07259e83c45e332200b57a9b0b9c..c0785ba68e1d432167f57d33628067d6de2e4ef4 100644
--- a/applications/app/TW204_Module_enviroment/THsensor.c
+++ b/applications/app/TW204_Module_enviroment/THsensor.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW204_Module_enviroment/buzze.c b/applications/app/TW204_Module_enviroment/buzze.c
index db73eb789bf5d46959565fbaa7dda42d1eaac67a..98c30ece9dba0e3b77b747b6392d0fbfab5ca894 100644
--- a/applications/app/TW204_Module_enviroment/buzze.c
+++ b/applications/app/TW204_Module_enviroment/buzze.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW204_Module_enviroment/buzze.h b/applications/app/TW204_Module_enviroment/buzze.h
index b927f77c3dfc012fd55d0856ff4f974fc1d17fb1..56a2c7d340200f6d31c632c2e5cf9c19efaa7796 100644
--- a/applications/app/TW204_Module_enviroment/buzze.h
+++ b/applications/app/TW204_Module_enviroment/buzze.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW204_Module_enviroment/sensor.h b/applications/app/TW204_Module_enviroment/sensor.h
index 359e9eaa5bac475fbaabbbe33e1777ba40006b9e..c035590d8b956230ac079a5af37cd34c5122794c 100644
--- a/applications/app/TW204_Module_enviroment/sensor.h
+++ b/applications/app/TW204_Module_enviroment/sensor.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW205_Module_motor/BUILD.gn b/applications/app/TW205_Module_motor/BUILD.gn
index 21a2694a10a09c800a513b38e112fe0acc90954d..92e9c3df4db11bfce552c02cfdf793ca4a779a38 100644
--- a/applications/app/TW205_Module_motor/BUILD.gn
+++ b/applications/app/TW205_Module_motor/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW205_Module_motor/include/motor.h b/applications/app/TW205_Module_motor/include/motor.h
index be08f8f3cf78011c2e9a8629bd13f449c22220ce..14ce1caac755137fc0db2c4e1f493e56c1609d62 100644
--- a/applications/app/TW205_Module_motor/include/motor.h
+++ b/applications/app/TW205_Module_motor/include/motor.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW205_Module_motor/motor_example.c b/applications/app/TW205_Module_motor/motor_example.c
index 802ec8b99a1944536a6e2f528b9c47592961eb70..cb56fb619e3d3a74560570b7e62e5d102da6a541 100644
--- a/applications/app/TW205_Module_motor/motor_example.c
+++ b/applications/app/TW205_Module_motor/motor_example.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW205_Module_motor/src/motor.c b/applications/app/TW205_Module_motor/src/motor.c
index ce61099f7e31736ef4ab26058f2dd0a180edc586..8e774764143c58e749d46ae221a7ef9fd8526433 100644
--- a/applications/app/TW205_Module_motor/src/motor.c
+++ b/applications/app/TW205_Module_motor/src/motor.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW207_Module_gyro/BUILD.gn b/applications/app/TW207_Module_gyro/BUILD.gn
index fcfa57031a39ed1b696e704aa9f52a587f97d757..1e7a223ed7d96eab4bc5ebe54ef4453b78eae8e9 100755
--- a/applications/app/TW207_Module_gyro/BUILD.gn
+++ b/applications/app/TW207_Module_gyro/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW207_Module_gyro/gyro_example.c b/applications/app/TW207_Module_gyro/gyro_example.c
index 55d4f2f9615c55a58143ef36cbbbe0a7d97e1632..ac69a7c8ba2c59201d9d73e5422a37440c4fcdaf 100755
--- a/applications/app/TW207_Module_gyro/gyro_example.c
+++ b/applications/app/TW207_Module_gyro/gyro_example.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.ltd.
+ * Copyright (c) 2021 Talkweb Co. Ltd.
  * 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
@@ -53,7 +53,7 @@ static void GryoExampleTask(void)
         }
         else
         {
-            printf("MPU6050 ReadAcc Gyro_Data.Accel[0] ==%d\t Gyro_Data.Accel[1] ==%d\t Gyro_Data.Accel[2] ==%d\n",Gyro_Data.Accel[0],Gyro_Data.Accel[1],Gyro_Data.Accel[2]);
+            printf("MPU6050 ReadAcc Gyro_Data.Accel[0] ==%d\t Gyro_Data.Accel[1] ==%d\t Gyro_Data.Accel[2] ==%d\n", Gyro_Data.Accel[0], Gyro_Data.Accel[1], Gyro_Data.Accel[2]);
             if (X + 100 < Gyro_Data.Accel[0] || X - 100 > Gyro_Data.Accel[0] || Y + 100 < Gyro_Data.Accel[1] || Y - 100 > Gyro_Data.Accel[1] || Z + 100 < Gyro_Data.Accel[2] || Z - 100 > Gyro_Data.Accel[2])
             {
                 printf("\r\n*******************led1 off led2 on******************\r\n");
@@ -69,7 +69,7 @@ static void GryoExampleTask(void)
             X = (int)Gyro_Data.Accel[0];
             Y = (int)Gyro_Data.Accel[1];
             Z = (int)Gyro_Data.Accel[2];
-            printf("MPU6050 ReadAcc X ==%d\t Y ==%d\t Z ==%d\n",X,Y,Z);
+            printf("MPU6050 ReadAcc X ==%d\t Y ==%d\t Z ==%d\n", X, Y, Z);
         }
         usleep(1000000);
     }
@@ -94,4 +94,3 @@ static void GyroExampleEntry(void)
 }
 
 APP_FEATURE_INIT(GyroExampleEntry);
-
diff --git a/applications/app/TW207_Module_gyro/include/gyro.h b/applications/app/TW207_Module_gyro/include/gyro.h
index 2ab4bcb90814c5285ccdbf8b0044e11884260021..1c26d2e09bf309582a0d0c740f37cd14b98ca1dd 100755
--- a/applications/app/TW207_Module_gyro/include/gyro.h
+++ b/applications/app/TW207_Module_gyro/include/gyro.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW207_Module_gyro/src/gyro.c b/applications/app/TW207_Module_gyro/src/gyro.c
index d3af7d69ad69f001e4442e45b9cd465d31a33b91..c88972a4b6f4042b59d34aa7a41dc4516551a2bc 100755
--- a/applications/app/TW207_Module_gyro/src/gyro.c
+++ b/applications/app/TW207_Module_gyro/src/gyro.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.ltd.
+ * Copyright (c) 2021 Talkweb Co. Ltd.
  * 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
diff --git a/applications/app/TW301_Network_wifista/wifi_connect_demo.c b/applications/app/TW301_Network_wifista/wifi_connect_demo.c
index e7ed523ae052adc8a67af5a6739a24c2cbe9b9da..96e08dbf1810560c7d48edfd4f094fb9a0f9a1d2 100644
--- a/applications/app/TW301_Network_wifista/wifi_connect_demo.c
+++ b/applications/app/TW301_Network_wifista/wifi_connect_demo.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW301_Network_wifista/wifi_connect_demo.h b/applications/app/TW301_Network_wifista/wifi_connect_demo.h
index c5ea21fd26f5d0385717c4547970de947c312aaf..6536db776ad7888ef94f5884943a06cb4ed0b266 100644
--- a/applications/app/TW301_Network_wifista/wifi_connect_demo.h
+++ b/applications/app/TW301_Network_wifista/wifi_connect_demo.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW302_Network_wifiap/wifi_ap_example.c b/applications/app/TW302_Network_wifiap/wifi_ap_example.c
index 950fb38b70c0ff3705b7b0758cc029bd16206d5f..3cf8a01105dedaad38d97819f7b9cea7d7577b82 100644
--- a/applications/app/TW302_Network_wifiap/wifi_ap_example.c
+++ b/applications/app/TW302_Network_wifiap/wifi_ap_example.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW302_Network_wifiap/wifi_ap_service.c b/applications/app/TW302_Network_wifiap/wifi_ap_service.c
index 88107f54e00f3dc49097d1ab8c3d1a87b7df24cd..f1c1a922ebdd7e094768e3328f764152441abc5d 100644
--- a/applications/app/TW302_Network_wifiap/wifi_ap_service.c
+++ b/applications/app/TW302_Network_wifiap/wifi_ap_service.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW302_Network_wifiap/wifi_ap_service.h b/applications/app/TW302_Network_wifiap/wifi_ap_service.h
index a38dd2c4fea6c2bd6c89c1b5f2a4ac0c1b1726c9..a4a46e17144ed465c9f5737f6ec9009944f7e38b 100644
--- a/applications/app/TW302_Network_wifiap/wifi_ap_service.h
+++ b/applications/app/TW302_Network_wifiap/wifi_ap_service.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW303_Network_mqttclient/BUILD.gn b/applications/app/TW303_Network_mqttclient/BUILD.gn
index 05592b62e4308e3213193d131da4cf34304621a5..5d8870460f905221cf7a171515f7630e94d894d5 100644
--- a/applications/app/TW303_Network_mqttclient/BUILD.gn
+++ b/applications/app/TW303_Network_mqttclient/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW303_Network_mqttclient/include/wifi_connect.h b/applications/app/TW303_Network_mqttclient/include/wifi_connect.h
index da4da62b9e44169c57c367cbd7d966a0c72fc82c..c6bb2b6d2fd27b68327ad7105404f0ae89fafed6 100644
--- a/applications/app/TW303_Network_mqttclient/include/wifi_connect.h
+++ b/applications/app/TW303_Network_mqttclient/include/wifi_connect.h
@@ -1,5 +1,5 @@
 /* 
-* Copyright (c) 2021 Talkweb Co.,ltd.
+* Copyright (c) 2021 Talkweb Co., Ltd.
 * 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
diff --git a/applications/app/TW303_Network_mqttclient/src/wifi_connect.c b/applications/app/TW303_Network_mqttclient/src/wifi_connect.c
index 3862415c2d8a47dd3612dadadb0c1790f4af37ab..59cb951965a1e917bcb55fa395ef3bbbd8ade5e2 100644
--- a/applications/app/TW303_Network_mqttclient/src/wifi_connect.c
+++ b/applications/app/TW303_Network_mqttclient/src/wifi_connect.c
@@ -1,12 +1,25 @@
+/* 
+* Copyright (c) 2021 Talkweb Co., Ltd.
+* 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. 
+*/
+
 #include <stdio.h>
 #include <unistd.h>
 #include <string.h>
 
-// #include "hiview_log.h"
 #include "ohos_init.h"
 #include "cmsis_os2.h"
 
-
 #include "lwip/netif.h"
 #include "lwip/netifapi.h"
 #include "lwip/ip4_addr.h"
@@ -14,7 +27,6 @@
 
 #include "wifi_device.h"
 
-
 #define DEF_TIMEOUT 15
 #define ONE_SECOND 1
 
@@ -33,9 +45,8 @@ WifiEvent g_wifiEventHandler = {0};
 int sock_fd;
 int addr_length;
 
-#define STD_TIMEZONE_OFFSET +8                                     /* 设置中国 */
-const int timeZone = 8;   
-
+#define STD_TIMEZONE_OFFSET +8 /* 设置中国 */
+const int timeZone = 8;
 
 static void WiFiInit(void);
 static void WaitSacnResult(void);
@@ -154,14 +165,13 @@ int WifiConnect(const char *ssid, const char *psk)
     }
     printf("********************\r\n");
 
-
     //插件指定的wifi是否存在
-    for(uint8_t i = 0; i < ssid_count; i++)
+    for (uint8_t i = 0; i < ssid_count; i++)
     {
         if (strcmp(ssid, wifi_info[i].ssid) == 0)
         {
             int result;
-            printf("Select:%3d wireless, Waiting...\r\n", i+1);
+            printf("Select:%3d wireless, Waiting...\r\n", i + 1);
             //拷贝要连接的热点信息
             strcpy(select_ap_config.ssid, wifi_info[i].ssid);
             strcpy(select_ap_config.preSharedKey, psk);
@@ -178,27 +188,25 @@ int WifiConnect(const char *ssid, const char *psk)
             }
         }
 
-         if(i == ssid_count-1)
+        if (i == ssid_count - 1)
         {
             printf("ERROR: No wifi as expected\r\n");
-            while(1) osDelay(100);
+            while (1)
+                osDelay(100);
         }
     }
 
-
-
-     //启动DHCP
+    //启动DHCP
     if (g_lwip_netif)
     {
         dhcp_start(g_lwip_netif);
         printf("begain to dhcp");
     }
 
-
     //等待DHCP
-    for(;;)
+    for (;;)
     {
-        if(dhcp_is_bound(g_lwip_netif) == ERR_OK)
+        if (dhcp_is_bound(g_lwip_netif) == ERR_OK)
         {
             printf("<-- DHCP state:OK -->\r\n");
 
@@ -212,10 +220,11 @@ int WifiConnect(const char *ssid, const char *psk)
     }
 
     osDelay(100);
-    if (wifi_info != NULL) {
+    if (wifi_info != NULL)
+    {
         free(wifi_info);
-		wifi_info = NULL;
-	}
+        wifi_info = NULL;
+    }
     return 0;
 }
 
@@ -275,4 +284,3 @@ static void WaitSacnResult(void)
         printf("WaitSacnResult:timeout!\n");
     }
 }
-
diff --git a/applications/app/TW402_APP_oled_u8g2/BUILD.gn b/applications/app/TW402_APP_oled_u8g2/BUILD.gn
index cdda17ff713998956970fdf1ed50e8ea2cee65a5..3a4ca2bd0995c26050fe60c1db8df41a31c5e763 100644
--- a/applications/app/TW402_APP_oled_u8g2/BUILD.gn
+++ b/applications/app/TW402_APP_oled_u8g2/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Talkweb Co.,ltd.
+# Copyright (c) 2021 Talkweb Co., Ltd.
 # 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
diff --git a/applications/app/TW402_APP_oled_u8g2/include/boot_animation.h b/applications/app/TW402_APP_oled_u8g2/include/boot_animation.h
index 6ff3096fc58b89b21d84989b0527610c629db4b1..28dd14db00f41c103060c819aca7bd84138d63c2 100644
--- a/applications/app/TW402_APP_oled_u8g2/include/boot_animation.h
+++ b/applications/app/TW402_APP_oled_u8g2/include/boot_animation.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW402_APP_oled_u8g2/include/oled_u8g2.h b/applications/app/TW402_APP_oled_u8g2/include/oled_u8g2.h
index 6e19e42062e0491e9ea8802c8f1e1e7910fcf735..dff1a89675d638ed97a35823b549c8e7c0d2087f 100644
--- a/applications/app/TW402_APP_oled_u8g2/include/oled_u8g2.h
+++ b/applications/app/TW402_APP_oled_u8g2/include/oled_u8g2.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW402_APP_oled_u8g2/oled_u8g2_example.c b/applications/app/TW402_APP_oled_u8g2/oled_u8g2_example.c
index a29c0e44c20165a2e39177a14be5bfb716822e5f..9b7cae1a179953eec1c77df71c1343f67161ab62 100644
--- a/applications/app/TW402_APP_oled_u8g2/oled_u8g2_example.c
+++ b/applications/app/TW402_APP_oled_u8g2/oled_u8g2_example.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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
diff --git a/applications/app/TW402_APP_oled_u8g2/src/oled_u8g2.c b/applications/app/TW402_APP_oled_u8g2/src/oled_u8g2.c
index 19e8b0eb306b09e51248c47860e7c4992712f5a5..23f3182eb5e74a3a2fff74d32c00c3b2159e1343 100644
--- a/applications/app/TW402_APP_oled_u8g2/src/oled_u8g2.c
+++ b/applications/app/TW402_APP_oled_u8g2/src/oled_u8g2.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Talkweb Co.,ltd.
+ * Copyright (c) 2021 Talkweb Co., Ltd.
  * 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