diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 00000000..70ae3126
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,5 @@
+{
+    "files.associations": {
+        "oled_demo.h": "c"
+    }
+}
\ No newline at end of file
diff --git a/README.md b/README.md
index aace4646..e3d3d064 100644
--- a/README.md
+++ b/README.md
@@ -103,13 +103,13 @@
 
 * 预售微店(微信扫码)
 
-![](./figures/Niobe/预售链接.png)
+![](./applications/figures/预售链接.png)
 
 * Niobe开发板全貌图
 
-![](./figures/Niobe/全貌图.jpg)
+![](./applications/figures/全貌图.jpg)
 
-![](./figures/Niobe/341d541732a8bb7b49afe4859720702.jpg)
+![](./applications/figures/341d541732a8bb7b49afe4859720702.jpg)
 
-![](./figures/Niobe/6924eeb198d01b9918c2f6b7187898e.jpg)
+![](./applications/figures/6924eeb198d01b9918c2f6b7187898e.jpg)
 
diff --git a/applications/app/BUILD.gn b/applications/app/BUILD.gn
index 0cb8cfd2..0caa916f 100644
--- a/applications/app/BUILD.gn
+++ b/applications/app/BUILD.gn
@@ -25,7 +25,7 @@ lite_component("app") {
         # "TW101_GPIO_led:gpio_led_example",
         # "TW102_EXTI_key:exti_key_example",
         # "TW103_PWM_led:pwm_led_example",
-         "TW104_ADC_voltage:adc_voltage",
+        # "TW104_ADC_voltage:adc_voltage",
         # "TW105_I2C_sht30:i2c_sht30",
         # "TW106_UART:uart_test",
         # "TW301_APP_oled:oled_demo",
diff --git a/applications/app/TW001_OS_helloworld/BUILD.gn b/applications/app/TW001_OS_helloworld/BUILD.gn
index 8e6fb3b9..28d6cec7 100644
--- a/applications/app/TW001_OS_helloworld/BUILD.gn
+++ b/applications/app/TW001_OS_helloworld/BUILD.gn
@@ -1,3 +1,16 @@
+# 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.
+
 static_library("helloworld"){
     sources =[
         "hello_world.c"
diff --git a/applications/app/TW001_OS_helloworld/README.md b/applications/app/TW001_OS_helloworld/README.md
index 465155ce..3df671e1 100644
--- a/applications/app/TW001_OS_helloworld/README.md
+++ b/applications/app/TW001_OS_helloworld/README.md
@@ -2,12 +2,12 @@
 
 ## Hello World
 
-沿袭程序界的传统，第一个程序都是Hello World。在Sandwich WiFi IoT开发板中，指的是通过开发板串口，在串口日志中输出Hello World字符串。
+沿袭程序界的传统，第一个程序都是Hello World。在Niobe WiFi IoT开发板中，指的是通过开发板串口，在串口日志中输出Hello World字符串。
 
-在Sandwich WiFi IoT开发板系统代码中，Hello World程序位于applications目录下面，具体路径如下：
+在Niobe WiFi IoT开发板系统代码中，Hello World程序位于applications目录下面，具体路径如下：
 
 ```tex
-applications/sandwich/TW001_OS_helloworld/hello_world.c
+applications/app/TW001_OS_helloworld/hello_world.c
 ```
 ## 编译调试
 
diff --git a/applications/app/TW002_OS_thread/BUILD.gn b/applications/app/TW002_OS_thread/BUILD.gn
index 61ca2996..9b6e8ef3 100644
--- a/applications/app/TW002_OS_thread/BUILD.gn
+++ b/applications/app/TW002_OS_thread/BUILD.gn
@@ -1,3 +1,16 @@
+# 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.
+
 static_library("os_thread_example"){
     sources =[
         "os_thread_example.c"
diff --git a/applications/app/TW002_OS_thread/README.md b/applications/app/TW002_OS_thread/README.md
index ba269ee2..2965cb62 100644
--- a/applications/app/TW002_OS_thread/README.md
+++ b/applications/app/TW002_OS_thread/README.md
@@ -1,7 +1,7 @@
 # Niobe WiFi IoT开发板OpenHarmony内核编程开发——Thread多线程
 本示例将演示如何在Niobe WiFi IoT开发板上使用cmsis 2.0 接口进行多线程开发
 
-![Niobe](../../../figures/Niobe/niobe.png)
+![Niobe](../../figures/niobe.png)
 ## Thread API分析
 
 ## osThreadNew()
@@ -81,7 +81,7 @@ static void OS_Thread_example(void)
 
 ### 修改 BUILD.gn 文件
 
-修改 `applications`路径下 BUILD.gn 文件，指定 `os_thread_example` 参与编译。
+修改 `applications\app`路径下 BUILD.gn 文件，指定 `os_thread_example` 参与编译。
 
 ```r
 #"TW001_OS_helloworld:helloworld_example",
diff --git a/applications/app/TW003_OS_timer/BUILD.gn b/applications/app/TW003_OS_timer/BUILD.gn
index d017b6f1..33d5236a 100644
--- a/applications/app/TW003_OS_timer/BUILD.gn
+++ b/applications/app/TW003_OS_timer/BUILD.gn
@@ -1,3 +1,16 @@
+# 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.
+
 static_library("os_timer_example"){
     sources =[
         "os_timer_example.c"
diff --git a/applications/app/TW003_OS_timer/README.md b/applications/app/TW003_OS_timer/README.md
index 8b98cabc..4d073bd6 100644
--- a/applications/app/TW003_OS_timer/README.md
+++ b/applications/app/TW003_OS_timer/README.md
@@ -1,7 +1,7 @@
 # Niobe开发板OpenHarmony内核编程开发——定时器
-本示例将演示如何在Niobe开发板上使用cmsis 2.0 接口进行定时器开发
+本示例将演示如何在Niobe Wifi IoT开发板上使用cmsis 2.0 接口进行定时器开发
 
-![Niobe](../../../figures/Niobe/niobe.png)
+![Niobe](../../figures/niobe.png)
 ## Timer API分析
 
 
diff --git a/applications/app/TW003_OS_timer/os_timer_example.c b/applications/app/TW003_OS_timer/os_timer_example.c
index a41811d8..5cb8ad8d 100644
--- a/applications/app/TW003_OS_timer/os_timer_example.c
+++ b/applications/app/TW003_OS_timer/os_timer_example.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 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 efe9897d..a3046e15 100644
--- a/applications/app/TW004_OS_event/BUILD.gn
+++ b/applications/app/TW004_OS_event/BUILD.gn
@@ -1,3 +1,16 @@
+# 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.
+
 static_library("os_event_example"){
     sources =[
         "os_event_example.c"
diff --git a/applications/app/TW004_OS_event/README.md b/applications/app/TW004_OS_event/README.md
index 7be278d0..1072db0a 100644
--- a/applications/app/TW004_OS_event/README.md
+++ b/applications/app/TW004_OS_event/README.md
@@ -1,7 +1,7 @@
 # Niobe开发板OpenHarmony内核编程开发——事件标志
-本示例将演示如何在Niobe开发板上使用cmsis 2.0 接口使用事件标志同步线程
+本示例将演示如何在Niobe Wifi IoT开发板上使用cmsis 2.0 接口使用事件标志同步线程
 
-![Niobe](../../../figures/Niobe/niobe.png)
+![Niobe](../../figures/niobe.png)
 ## EventFlags API分析
 
 
diff --git a/applications/app/TW004_OS_event/os_event_example.c b/applications/app/TW004_OS_event/os_event_example.c
index c4a6ab0d..10c0b61b 100644
--- a/applications/app/TW004_OS_event/os_event_example.c
+++ b/applications/app/TW004_OS_event/os_event_example.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 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 3ae34693..ee3d2c9a 100644
--- a/applications/app/TW005_OS_mutex/BUILD.gn
+++ b/applications/app/TW005_OS_mutex/BUILD.gn
@@ -1,3 +1,16 @@
+# 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.
+
 static_library("mutex_example"){
     sources =[
         "os_mutex_example.c"
diff --git a/applications/app/TW005_OS_mutex/README.md b/applications/app/TW005_OS_mutex/README.md
index 0ee046d3..aede908e 100644
--- a/applications/app/TW005_OS_mutex/README.md
+++ b/applications/app/TW005_OS_mutex/README.md
@@ -1,7 +1,7 @@
 # Niobe WiFi IoT开发板OpenHarmony内核编程开发——mutex
 本示例将演示如何在Niobe WiFi IoT开发板上使用cmsis 2.0 接口进行互斥锁开发
 
-![Niobe](../../../figures/Niobe/niobe.png)
+![Niobe](../../figures/niobe.png)
 ## mutex API分析
 
 ## osThreadNew()
@@ -156,7 +156,7 @@ void os_mutex_example(void)
 
 ### 修改 BUILD.gn 文件
 
-修改 `applications/app/`路径下 BUILD.gn 文件，指定 `mutex_example` 参与编译。
+修改 `applications/app`路径下 BUILD.gn 文件，指定 `mutex_example` 参与编译。
 
 ```r
 #"TW001_OS_helloworld:helloworld_example",
diff --git a/applications/app/TW005_OS_mutex/os_mutex_example.c b/applications/app/TW005_OS_mutex/os_mutex_example.c
index 445a2b60..5d1074e7 100644
--- a/applications/app/TW005_OS_mutex/os_mutex_example.c
+++ b/applications/app/TW005_OS_mutex/os_mutex_example.c
@@ -1,3 +1,18 @@
+/*
+ * 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 <string.h>
 #include <unistd.h>
diff --git a/applications/app/TW006_OS_semp/os_semp_example.c b/applications/app/TW006_OS_semp/os_semp_example.c
index 4878c164..577f6645 100644
--- a/applications/app/TW006_OS_semp/os_semp_example.c
+++ b/applications/app/TW006_OS_semp/os_semp_example.c
@@ -1,3 +1,18 @@
+/*
+ * 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 <string.h>
 #include <unistd.h>
diff --git a/applications/app/TW007_OS_message/README.md b/applications/app/TW007_OS_message/README.md
index bdfc70ca..7af4647e 100644
--- a/applications/app/TW007_OS_message/README.md
+++ b/applications/app/TW007_OS_message/README.md
@@ -1,7 +1,7 @@
 # Niobe WiFi IoT开发板OpenHarmony内核编程开发——message
 本示例将演示如何在Niobe WiFi IoT开发板上使用cmsis 2.0 接口进行消息队列开发
 
-![Niobe](../../../figures/Niobe/niobe.png)
+![Niobe](../../figures/niobe.png)
 ## message API分析
 
 ## osThreadNew()
@@ -92,7 +92,7 @@ osStatus_t osMessageQueueGet (osMessageQueueId_t mq_id,void *msg_ptr,uint8_t *ms
 在Msg_example函数中，通过osThreadNew()函数创建了Thread_MsgQ1、Thread_MsgQ2两个线程，Thread_MsgQ1、Thread_MsgQ2两个线程启动后会输出打印日志。
 
 ```c
-void Thread_MsgQ1(void *arg)
+void Thread_MsgQueue1(void *arg)
 {
   while (1)
   {
@@ -136,15 +136,15 @@ static void Msg_example(void)
   attr.stack_size = 1024 * 10;
   attr.priority = 10;
 
-  attr.name = "Thread_MsgQ1";
-  if (osThreadNew(Thread_MsgQ1, NULL, &attr) == NULL)
+  attr.name = "Thread_MsgQueue1";
+  if (osThreadNew(Thread_MsgQueue1, NULL, &attr) == NULL)
   {
-    printf("create Thread_MsgQ1 failed!\n");
+    printf("create Thread_MsgQueue1 failed!\n");
   }
-  attr.name = "Thread_MsgQ2";
-  if (osThreadNew(Thread_MsgQ2, NULL, &attr) == NULL)
+  attr.name = "Thread_MsgQueue2";
+  if (osThreadNew(Thread_MsgQueue2, NULL, &attr) == NULL)
   {
-    printf("create Thread_MsgQ2 failed!\n");
+    printf("create Thread_MsgQueue2 failed!\n");
   }
 }
 
diff --git a/applications/app/TW007_OS_message/os_message_example.c b/applications/app/TW007_OS_message/os_message_example.c
index cf3ece91..f4cc4e9e 100644
--- a/applications/app/TW007_OS_message/os_message_example.c
+++ b/applications/app/TW007_OS_message/os_message_example.c
@@ -1,3 +1,17 @@
+/*
+ * 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 <string.h>
 #include <unistd.h>
@@ -13,7 +27,7 @@ static char *g_cmsisMessageInfo[] = {"msg1", "msg2", "msg3", "msg4", "msg5", "ms
 //message queue id
 osMessageQueueId_t MsgQueue;   
 
-void Thread_MsgQ1(void *arg)
+void Thread_MsgQueue1(void *arg)
 {
   while (1)
   {
@@ -57,15 +71,15 @@ static void Msg_example(void)
   attr.stack_size = 1024 * 10;
   attr.priority = 10;
 
-  attr.name = "Thread_MsgQ1";
-  if (osThreadNew(Thread_MsgQ1, NULL, &attr) == NULL)
+  attr.name = "Thread_MsgQueue1";
+  if (osThreadNew(Thread_MsgQueue1, NULL, &attr) == NULL)
   {
-    printf("create Thread_MsgQ1 failed!\n");
+    printf("create Thread_MsgQueue1 failed!\n");
   }
-  attr.name = "Thread_MsgQ2";
-  if (osThreadNew(Thread_MsgQ2, NULL, &attr) == NULL)
+  attr.name = "Thread_MsgQueue2";
+  if (osThreadNew(Thread_MsgQueue2, NULL, &attr) == NULL)
   {
-    printf("create Thread_MsgQ2 failed!\n");
+    printf("create Thread_MsgQueue2 failed!\n");
   }
 }
 
diff --git a/applications/app/TW102_EXTI_key/BUILD.gn b/applications/app/TW102_EXTI_key/BUILD.gn
index 97f3d75b..b4668393 100644
--- a/applications/app/TW102_EXTI_key/BUILD.gn
+++ b/applications/app/TW102_EXTI_key/BUILD.gn
@@ -1,3 +1,16 @@
+# 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.
+
 static_library("exti_key_example"){
     sources =[
         "exti_example.c"
diff --git a/applications/app/TW103_PWM_led/BUILD.gn b/applications/app/TW103_PWM_led/BUILD.gn
index 0ad7e8f6..c819396b 100644
--- a/applications/app/TW103_PWM_led/BUILD.gn
+++ b/applications/app/TW103_PWM_led/BUILD.gn
@@ -1,3 +1,16 @@
+# 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.
+
 static_library("pwm_led_example"){
     sources =[
         "pwm_led_example.c"
diff --git a/applications/app/TW104_ADC_voltage/BUILD.gn b/applications/app/TW104_ADC_voltage/BUILD.gn
index 0a13b1b5..f5262769 100644
--- a/applications/app/TW104_ADC_voltage/BUILD.gn
+++ b/applications/app/TW104_ADC_voltage/BUILD.gn
@@ -1,3 +1,16 @@
+# 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.
+
 static_library("adc_voltage"){
     sources =[
         "adc_voltage.c"
diff --git a/applications/app/TW105_I2C_sht30/BUILD.gn b/applications/app/TW105_I2C_sht30/BUILD.gn
index f6931f9d..639ef9ab 100644
--- a/applications/app/TW105_I2C_sht30/BUILD.gn
+++ b/applications/app/TW105_I2C_sht30/BUILD.gn
@@ -1,3 +1,16 @@
+# 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.
+
 static_library("i2c_sht30"){
     sources =[
         "i2c_sht30.c"
diff --git a/applications/app/TW106_UART/BUILD.gn b/applications/app/TW106_UART/BUILD.gn
index 3da1caea..88a9a456 100644
--- a/applications/app/TW106_UART/BUILD.gn
+++ b/applications/app/TW106_UART/BUILD.gn
@@ -1,3 +1,16 @@
+# 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.
+
 static_library("uart_test"){
     sources =[
         "uart_test.c"
diff --git a/applications/app/TW301_APP_oled/BUILD.gn b/applications/app/TW301_APP_oled/BUILD.gn
index 8ff87047..ee9649e2 100644
--- a/applications/app/TW301_APP_oled/BUILD.gn
+++ b/applications/app/TW301_APP_oled/BUILD.gn
@@ -1,3 +1,16 @@
+# 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.
+
 static_library("oled_demo"){
     sources =[
         "oled_demo.c"
diff --git a/applications/app/TW301_APP_oled/oled_demo.c b/applications/app/TW301_APP_oled/oled_demo.c
index d9e7b94b..1b7f5f34 100644
--- a/applications/app/TW301_APP_oled/oled_demo.c
+++ b/applications/app/TW301_APP_oled/oled_demo.c
@@ -1,3 +1,17 @@
+/*
+ * 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 <unistd.h>
 #include "stdio.h"
 #include "ohos_init.h"
@@ -9,7 +23,6 @@
 #include <hi_stdlib.h>
 #include "oled_demo.h"
 #include "oledfont.h"
-#include "led3_demo.h"
 #include <hi_adc.h>
 
 u8 OLED_GRAM[144][8];
diff --git a/applications/app/TW301_APP_oled/oled_demo.h b/applications/app/TW301_APP_oled/oled_demo.h
index 9f92156e..7193d9db 100644
--- a/applications/app/TW301_APP_oled/oled_demo.h
+++ b/applications/app/TW301_APP_oled/oled_demo.h
@@ -1,3 +1,17 @@
+/*
+ * 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.
+ */
 #ifndef __OLED_H
 #define __OLED_H
 
diff --git a/applications/docs/代码获取.md b/applications/docs/代码获取.md
index f501d795..47ab85ad 100644
--- a/applications/docs/代码获取.md
+++ b/applications/docs/代码获取.md
@@ -28,15 +28,15 @@
   https://gitee.com/mirrors/pyenv
   ```
 
-### 下载代码
+### 下载代码(二选一)
 
-#### 使用git的下载方式
+#### 方式一: 使用git的下载方式
 
 ```
 git clone https://gitee.com/talkweb_oh/niobe.git
 ```
 
-#### 使用repo的下载方式
+#### 方式二: 使用repo的下载方式
 
 ```
 # 初始化
diff --git a/applications/docs/安装docker.md b/applications/docs/安装docker.md
index bcedc31f..26acd6f9 100644
--- a/applications/docs/安装docker.md
+++ b/applications/docs/安装docker.md
@@ -98,15 +98,4 @@ docker pull swr.cn-south-1.myhuaweicloud.com/openharmony-docker/openharmony-dock
 
 ```
 docker run -it -v $(pwd):/home/openharmony swr.cn-south-1.myhuaweicloud.com/openharmony-docker/openharmony-docker:0.0.5
-```
-
-* 通过如下命令启动不同平台的编译
-
-```
-hb set #设置工作目录。
-. #输入源码所在目录，点(.)表示当前目录。
-#在显示的页面中通过键盘上下键选择需要编译的平台，通过回车确定选择。
-#选择talkweb niobe开发板
-#编译release 版本
-hb build -b release -f #执行编译。
 ```
\ No newline at end of file
diff --git a/figures/Niobe/341d541732a8bb7b49afe4859720702.jpg b/applications/figures/341d541732a8bb7b49afe4859720702.jpg
similarity index 100%
rename from figures/Niobe/341d541732a8bb7b49afe4859720702.jpg
rename to applications/figures/341d541732a8bb7b49afe4859720702.jpg
diff --git a/figures/Niobe/6924eeb198d01b9918c2f6b7187898e.jpg b/applications/figures/6924eeb198d01b9918c2f6b7187898e.jpg
similarity index 100%
rename from figures/Niobe/6924eeb198d01b9918c2f6b7187898e.jpg
rename to applications/figures/6924eeb198d01b9918c2f6b7187898e.jpg
diff --git a/figures/Niobe/niobe.png b/applications/figures/niobe.png
similarity index 100%
rename from figures/Niobe/niobe.png
rename to applications/figures/niobe.png
diff --git a/figures/Niobe/全貌图.jpg b/applications/figures/全貌图.jpg
similarity index 100%
rename from figures/Niobe/全貌图.jpg
rename to applications/figures/全貌图.jpg
diff --git a/figures/Niobe/预售链接.png b/applications/figures/预售链接.png
similarity index 100%
rename from figures/Niobe/预售链接.png
rename to applications/figures/预售链接.png