diff --git a/Hardware/hc12/hc12.c b/Hardware/hc12/hc12.c
new file mode 100644
index 0000000..5bfa0ff
--- /dev/null
+++ b/Hardware/hc12/hc12.c
@@ -0,0 +1,20 @@
+//HC12 库
+
+#include "string.h"
+
+#include "systick.h"
+
+#include "hc25.h"
+
+/**************************************** 私有变量 ****************************************/
+
+/*****************************************************************************************/
+
+/**************************************** 私有函数 ****************************************/
+
+/*****************************************************************************************/
+
+void HC12_Init(void)
+{
+    
+}
diff --git a/Hardware/hc12/hc12.h b/Hardware/hc12/hc12.h
new file mode 100644
index 0000000..2433ab7
--- /dev/null
+++ b/Hardware/hc12/hc12.h
@@ -0,0 +1,19 @@
+//HC12 库
+
+#ifndef __HC12_H
+#define __HC12_H
+
+#include "uart.h"
+
+#define HC12_COM COM3
+
+#define HC12_SendBuff(__pdata__, __data_len__) Uart_SendBuf(HC12_COM, __pdata__, __data_len__)
+#define HC12_Receive(__pdata__) Uart_GetChar(HC12_COM, __pdata__)
+#define HC12_ReceiveBuffUntil(__pdata__, __end_byte__, __timeout__) Uart_GetBuffUntil(HC12_COM, __pdata__, __end_byte__, __timeout__)
+#define HC12_ClearSend Uart_ClearTxFifo(HC12_COM)
+#define HC12_ClearReceive Uart_ClearRxFifo(HC12_COM)
+#define HC12_BindReceiveHandle(__receive__) Uart_BindReceiveHandle(HC12_COM, __receive__)
+
+void HC12_Init(void);
+
+#endif
diff --git a/System/usart/uart.c b/System/usart/uart.c
index fe7e89a..6f6e618 100644
--- a/System/usart/uart.c
+++ b/System/usart/uart.c
@@ -407,6 +407,7 @@ uint8_t Uart_GetBuffUntil(COM_PORT_E _ucPort, uint8_t *_pBuf, uint8_t _endByte,
             if (ch == _endByte)
             {
                 _pBuf[i] = '\0';
+
                 return 1;
             }
 
diff --git a/System/usart/uart.h b/System/usart/uart.h
index a7516bd..fd039cc 100644
--- a/System/usart/uart.h
+++ b/System/usart/uart.h
@@ -5,7 +5,7 @@
 
 #define UART1_FIFO_EN 1 //调试用串口
 #define UART2_FIFO_EN 1 //WiFi 透传
-#define UART3_FIFO_EN 0
+#define UART3_FIFO_EN 1 //HC-12
 #define UART4_FIFO_EN 0
 #define UART5_FIFO_EN 0
 #define UART6_FIFO_EN 0
@@ -39,7 +39,7 @@ typedef enum
 #endif
 
 #if UART3_FIFO_EN == 1
-#define UART3_BAUD 115200
+#define UART3_BAUD 9600
 #define UART3_TX_BUF_SIZE 1 * 1024
 #define UART3_RX_BUF_SIZE 1 * 1024
 #endif