diff --git a/APP/peripheral.c b/APP/peripheral.c
index 9ae7ba7..37acb08 100644
--- a/APP/peripheral.c
+++ b/APP/peripheral.c
@@ -40,7 +40,7 @@
 #define SBP_PHY_UPDATE_DELAY                 2400
 
 // What is the advertising interval when device is discoverable (units of 625us, 80=50ms)
-#define DEFAULT_ADVERTISING_INTERVAL         (160 * 10)
+#define DEFAULT_ADVERTISING_INTERVAL         (160 * 1)
 
 // Limited discoverable mode advertises for 30.72s, and then stops
 // General discoverable mode advertises indefinitely
@@ -741,9 +741,12 @@ static void peripheralStateNotificationCB(gapRole_States_t newState, gapRoleEven
  */
 static void performPeriodicTask(void)
 {
-    uint8_t notiData[SIMPLEPROFILE_CHAR4_LEN] = {0x11, 0x22, 0x33, 0x44};
+    static uint8_t counter = 0;
+    uint8_t notiData[SIMPLEPROFILE_CHAR4_LEN] = {0x11, 0x22, 0x33, 0x44, 0};
+    notiData[4] = counter;
     // peripheralChar4Notify(notiData, SIMPLEPROFILE_CHAR4_LEN);
-    peripheralChar4Notify(notiData, 4);
+    peripheralChar4Notify(notiData, 5);
+    counter++;
 }
 
 /*********************************************************************
diff --git a/StdPeriphDriver/CH59x_uart1.c b/StdPeriphDriver/CH59x_uart1.c
index 60ccd47..f804eda 100644
--- a/StdPeriphDriver/CH59x_uart1.c
+++ b/StdPeriphDriver/CH59x_uart1.c
@@ -23,7 +23,7 @@
  */
 void UART1_DefInit(void)
 {
-    UART1_BaudRateCfg(921600);
+    UART1_BaudRateCfg(1500000);
     R8_UART1_FCR = (2 << 6) | RB_FCR_TX_FIFO_CLR | RB_FCR_RX_FIFO_CLR | RB_FCR_FIFO_EN; // FIFO打开，触发点4字节
     R8_UART1_LCR = RB_LCR_WORD_SZ;
     R8_UART1_IER = RB_IER_TXD_EN;