diff --git a/Core/Src/main.c b/Core/Src/main.c
index 6126f09..82971f2 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -75,7 +75,7 @@ uart_t hart2_uart2 = {0};
 uart_t hart1_uart5 = {0};
 uart_t usb_uart1 = {0};
 float current_buff[2] = {12.0f, 0};//设置初始电流为12ma
-uint8_t TCA6416_WritePort_buff[2] = {0, 0};
+uint8_t TCA6416_WritePort_buff[2] = {0x00, 0x01};
 
 uint8_t tcp_echo_flags_hart1 = 0;
 uint8_t tcp_echo_flags_hart2 = 0;