diff --git a/.cproject b/.cproject
index 1d8bdae..b0ade34 100644
--- a/.cproject
+++ b/.cproject
@@ -166,5 +166,5 @@
 	</storageModule>
 	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
 	<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
-	<storageModule moduleId="refreshScope"/>
+	
 </cproject>
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 7f439ef..9b92e34 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -2,6 +2,9 @@
     "files.associations": {
         "ch58x_common.h": "c",
         "bsp_wf5803.h": "c",
-        "config.h": "c"
+        "config.h": "c",
+        "math.h": "c",
+        "hal.h": "c",
+        "common_porting.h": "c"
     }
 }
diff --git a/APP/bsp_wf5803.c b/APP/bsp_wf5803.c
index 26ba86f..11bf2be 100644
--- a/APP/bsp_wf5803.c
+++ b/APP/bsp_wf5803.c
@@ -100,6 +100,10 @@ void PRESS_IO_SPI_Init(void)
     // SDA: MOSI
     // SDO: MISO
 
+    // CSB1: PA3
+    // GPIOA_SetBits(GPIO_Pin_3);
+    // GPIOA_ModeCfg(GPIO_Pin_3, GPIO_ModeOut_PP_5mA);
+
     // CSB2: PB9
     GPIOB_SetBits(GPIO_Pin_9);
     GPIOB_ModeCfg(GPIO_Pin_9, GPIO_ModeOut_PP_5mA);
@@ -116,7 +120,7 @@ void PRESS_IO_SPI_Init(void)
     PRESS_SPI_CsStop(kPressOut);
     PRESS_SPI_CsStop(kPressAtom);
 
-    // spi初始化，模式0
+    // spi��ʼ����ģʽ0
     GPIOA_ModeCfg(GPIO_Pin_13 | GPIO_Pin_14, GPIO_ModeOut_PP_5mA);
     GPIOA_ModeCfg(GPIO_Pin_15, GPIO_ModeIN_PU);
 
@@ -126,18 +130,25 @@ void PRESS_IO_SPI_Init(void)
 void WF5803_Init(void)
 {
     PRESS_IO_SPI_Init();
-    WF5803_WriteReg(0x00, 0x81, kPressIn);   // 配置spi为四线模式
-    WF5803_WriteReg(0x00, 0x81, kPressOut);  // 配置spi为四线模式
-    WF5803_WriteReg(0x00, 0x81, kPressAtom); // 配置spi为四线模式
+    WF5803_WriteReg(0x00, 0x81, kPressIn);   // ����spiΪ����ģʽ
+    WF5803_WriteReg(0x00, 0x81, kPressOut);  // ����spiΪ����ģʽ
+    WF5803_WriteReg(0x00, 0x81, kPressAtom); // ����spiΪ����ģʽ
 }
 
 void PRESS_LowerIO_Init(void)
 {
-    // WF5803默认供电时，其他IO都是高电平
+    // WF5803Ĭ�Ϲ���ʱ������IO���Ǹߵ�ƽ
     // SPI
     GPIOA_SetBits(GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15);
     GPIOA_ModeCfg(GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15, GPIO_ModeIN_PU);
 
+    // CSB1: PA3
+    // GPIOA_SetBits(GPIO_Pin_3);
+    // GPIOA_ModeCfg(GPIO_Pin_3, GPIO_ModeIN_PU);
+    // CSB1: PA3
+    // GPIOA_SetBits(GPIO_Pin_3);
+    // GPIOA_ModeCfg(GPIO_Pin_3, GPIO_ModeOut_PP_5mA);
+
     // CSB2: PB9
     GPIOB_SetBits(GPIO_Pin_9);
     GPIOB_ModeCfg(GPIO_Pin_9, GPIO_ModeIN_PU);
@@ -161,6 +172,10 @@ void Lower_IO_Deinit(void)
     GPIOA_ResetBits(GPIO_Pin_7);
     GPIOA_ModeCfg(GPIO_Pin_7, GPIO_ModeIN_PU);
 
+    // RESET KEY
+    GPIOB_ResetBits(GPIO_Pin_7);
+    GPIOB_ModeCfg(GPIO_Pin_7, GPIO_ModeIN_PU);
+
     // motor
     GPIOB_ResetBits(GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2);
     GPIOB_ModeCfg(GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2, GPIO_ModeIN_PD);
@@ -189,8 +204,8 @@ uint8_t GetSensorData(TePressSensorIndex index)
 
     PRINT("Status = %02x\r\n", WF5803_ReadReg(0x02, index));
 
-    // 气压数据
-    // 温度数据
+    // ��ѹ����
+    // �¶�����
     for (uint8_t i = 0; i < 5; i++)
     {
         press_raw_data[index][i] = WF5803_ReadReg(0x06 + i, index);
@@ -222,7 +237,7 @@ void SensorData_Process(TePressSensorIndex index)
         fDat = reading / 8388608.0f;
     }
 
-    press = fDat * 125 + 17.5; // WF5803_1BAR    如果是使用10m级别的深传就使用这个
+    press = fDat * 125 + 17.5; // WF5803_1BAR    �����ʹ��10m��������ʹ�����
 
     reading = press_raw_data[index][3];
     reading = reading << 8;
diff --git a/APP/peripheral.c b/APP/peripheral.c
index c04280a..75ebacf 100644
--- a/APP/peripheral.c
+++ b/APP/peripheral.c
@@ -47,16 +47,16 @@
 #define DEFAULT_DISCOVERABLE_MODE            GAP_ADTYPE_FLAGS_GENERAL
 
 // Minimum connection interval (units of 1.25ms, 6=7.5ms)
-#define DEFAULT_DESIRED_MIN_CONN_INTERVAL    6
+#define DEFAULT_DESIRED_MIN_CONN_INTERVAL    (100)
 
 // Maximum connection interval (units of 1.25ms, 100=125ms)
-#define DEFAULT_DESIRED_MAX_CONN_INTERVAL    100
+#define DEFAULT_DESIRED_MAX_CONN_INTERVAL    (400)
 
 // Slave latency to use parameter update
-#define DEFAULT_DESIRED_SLAVE_LATENCY        0
+#define DEFAULT_DESIRED_SLAVE_LATENCY        5
 
 // Supervision timeout value (units of 10ms, 100=1s)
-#define DEFAULT_DESIRED_CONN_TIMEOUT         100
+#define DEFAULT_DESIRED_CONN_TIMEOUT         200
 
 // Company Identifier: WCH
 #define WCH_COMPANY_ID                       0x07D7