diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..8c568c08
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.vscode
+out
+
diff --git a/applications/app/BUILD.gn b/applications/app/BUILD.gn
index 0caa916f..4a475062 100644
--- a/applications/app/BUILD.gn
+++ b/applications/app/BUILD.gn
@@ -28,7 +28,7 @@ lite_component("app") {
         # "TW104_ADC_voltage:adc_voltage",
         # "TW105_I2C_sht30:i2c_sht30",
         # "TW106_UART:uart_test",
-        # "TW301_APP_oled:oled_demo",
-        # "TW302_APP_nfc:app_nfc_example"
+        # "TW201_APP_oled:oled_demo",
+        # "TW202_APP_nfc:app_nfc_example"
     ]
 }
diff --git a/applications/app/TW001_OS_helloworld/hello_world.c b/applications/app/TW001_OS_helloworld/hello_world.c
index a38f9988..19a37f83 100644
--- a/applications/app/TW001_OS_helloworld/hello_world.c
+++ b/applications/app/TW001_OS_helloworld/hello_world.c
@@ -26,4 +26,4 @@ void HelloWorld(void)
     return;
 }
 
-SYS_RUN(HelloWorld);
+APP_FEATURE_INIT(HelloWorld);
diff --git a/applications/app/TW005_OS_mutex/os_mutex_example.c b/applications/app/TW005_OS_mutex/os_mutex_example.c
index 5d1074e7..c020d2bf 100644
--- a/applications/app/TW005_OS_mutex/os_mutex_example.c
+++ b/applications/app/TW005_OS_mutex/os_mutex_example.c
@@ -82,4 +82,5 @@ void os_mutex_example(void)
     printf("create Mutex failed!\n");
   }
 }
+
 APP_FEATURE_INIT(os_mutex_example);
diff --git a/applications/app/TW101_GPIO_led/led_example.c b/applications/app/TW101_GPIO_led/led_example.c
index c16f8960..7c0b6659 100644
--- a/applications/app/TW101_GPIO_led/led_example.c
+++ b/applications/app/TW101_GPIO_led/led_example.c
@@ -63,4 +63,4 @@ static void IotGpioTurnOnLedLight(void)
     return;
 }
 
-SYS_RUN(IotGpioTurnOnLedLight);
+APP_FEATURE_INIT(IotGpioTurnOnLedLight);
diff --git a/applications/app/TW102_EXTI_key/exti_example.c b/applications/app/TW102_EXTI_key/exti_example.c
index ae36a9ee..1a52841e 100644
--- a/applications/app/TW102_EXTI_key/exti_example.c
+++ b/applications/app/TW102_EXTI_key/exti_example.c
@@ -93,4 +93,4 @@ static void IotGpioClickKey(void)
     return;
 }
 
-SYS_RUN(IotGpioClickKey);
+APP_FEATURE_INIT(IotGpioClickKey);
diff --git a/applications/app/TW103_PWM_led/pwm_led_example.c b/applications/app/TW103_PWM_led/pwm_led_example.c
index ba8ac728..6202ca05 100644
--- a/applications/app/TW103_PWM_led/pwm_led_example.c
+++ b/applications/app/TW103_PWM_led/pwm_led_example.c
@@ -87,4 +87,4 @@ static void IotGpioBreathingLedLamp(void)
     return;
 }
 
-SYS_RUN(IotGpioBreathingLedLamp);
+APP_FEATURE_INIT(IotGpioBreathingLedLamp);
diff --git a/applications/app/TW104_ADC_voltage/adc_voltage.c b/applications/app/TW104_ADC_voltage/adc_voltage.c
index 55669591..12fa3793 100644
--- a/applications/app/TW104_ADC_voltage/adc_voltage.c
+++ b/applications/app/TW104_ADC_voltage/adc_voltage.c
@@ -68,4 +68,4 @@ static void adcVoltageEntry(void)
 	return;
 }
 
-SYS_RUN(adcVoltageEntry);
+APP_FEATURE_INIT(adcVoltageEntry);
diff --git a/applications/app/TW105_I2C_sht30/i2c_sht30.c b/applications/app/TW105_I2C_sht30/i2c_sht30.c
index 861cf5a3..5d9c8c8e 100644
--- a/applications/app/TW105_I2C_sht30/i2c_sht30.c
+++ b/applications/app/TW105_I2C_sht30/i2c_sht30.c
@@ -49,4 +49,4 @@ static void i2cSht30Entry(void)
 	return;
 }
 
-SYS_RUN(i2cSht30Entry);
+APP_FEATURE_INIT(i2cSht30Entry);
diff --git a/applications/app/TW106_UART/uart_test.c b/applications/app/TW106_UART/uart_test.c
index ea100a7a..4457aa60 100644
--- a/applications/app/TW106_UART/uart_test.c
+++ b/applications/app/TW106_UART/uart_test.c
@@ -85,4 +85,4 @@ static void uartEntry(void)
 	return;
 }
 
-SYS_RUN(uartEntry);
+APP_FEATURE_INIT(uartEntry);
diff --git a/applications/app/TW301_APP_oled/BUILD.gn b/applications/app/TW201_APP_oled/BUILD.gn
similarity index 100%
rename from applications/app/TW301_APP_oled/BUILD.gn
rename to applications/app/TW201_APP_oled/BUILD.gn
diff --git a/applications/app/TW301_APP_oled/README.md b/applications/app/TW201_APP_oled/README.md
similarity index 97%
rename from applications/app/TW301_APP_oled/README.md
rename to applications/app/TW201_APP_oled/README.md
index 13c28c6a..93848d76 100644
--- a/applications/app/TW301_APP_oled/README.md
+++ b/applications/app/TW201_APP_oled/README.md
@@ -1,4 +1,4 @@
-# OpenHarmony驱动子系统开发—IIC_Oled显示
+# OpenHarmony驱动子系统开发-----IIC_OLED显示
 
 ## 概述
     I2C(Inter Integrated Circuit)总线是由Philips公司开发的一种简单、双向二线制同步串行总线。
diff --git a/applications/app/TW301_APP_oled/oled_demo.c b/applications/app/TW201_APP_oled/oled_demo.c
similarity index 99%
rename from applications/app/TW301_APP_oled/oled_demo.c
rename to applications/app/TW201_APP_oled/oled_demo.c
index 1b7f5f34..eead32b3 100644
--- a/applications/app/TW301_APP_oled/oled_demo.c
+++ b/applications/app/TW201_APP_oled/oled_demo.c
@@ -375,5 +375,5 @@ void my_oled_demo(void)
 	//}
 }
 
-SYS_RUN(my_oled_demo);
+APP_FEATURE_INIT(my_oled_demo);
 
diff --git a/applications/app/TW301_APP_oled/oled_demo.h b/applications/app/TW201_APP_oled/oled_demo.h
similarity index 100%
rename from applications/app/TW301_APP_oled/oled_demo.h
rename to applications/app/TW201_APP_oled/oled_demo.h
diff --git a/applications/app/TW301_APP_oled/oledfont.h b/applications/app/TW201_APP_oled/oledfont.h
similarity index 95%
rename from applications/app/TW301_APP_oled/oledfont.h
rename to applications/app/TW201_APP_oled/oledfont.h
index a1501304..41ee8183 100644
--- a/applications/app/TW301_APP_oled/oledfont.h
+++ b/applications/app/TW201_APP_oled/oledfont.h
@@ -1,11 +1,21 @@
+/*
+ * 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 __OLEDFONT_H
 #define __OLEDFONT_H 	   
-//锟斤拷锟斤拷ASCII锟斤拷
-//偏锟斤拷锟斤拷32
-//ASCII锟街凤拷锟斤拷
-//偏锟斤拷锟斤拷32
-//锟斤拷小:12*6
-/************************************6*8锟侥碉拷锟斤拷************************************/
+
+/************************************6*8 ASCII************************************/
 const unsigned char asc2_1206[95][12]={
 {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",0*/
 {0x00,0x00,0x00,0x00,0x3F,0x40,0x00,0x00,0x00,0x00,0x00,0x00},/*"!",1*/
@@ -104,7 +114,7 @@ const unsigned char asc2_1206[95][12]={
 {0x40,0x00,0x80,0x00,0x40,0x00,0x20,0x00,0x20,0x00,0x40,0x00},/*"~",94*/
 };  
 
-//16*16 ASCII瀛楃闆嗙偣闃�
+//16*16 ASCII
 const unsigned char asc2_1608[95][16]={	  
 {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",0*/
 {0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xCC,0x00,0x0C,0x00,0x00,0x00,0x00,0x00,0x00},/*"!",1*/