diff --git a/zstm32uart_irq_rx_service.c b/zstm32uart_irq_rx_service.c
index 148b651..914e533 100644
--- a/zstm32uart_irq_rx_service.c
+++ b/zstm32uart_irq_rx_service.c
@@ -1,8 +1,36 @@
 #include "zstm32uart_irq_rx_service.h"
+__weak void HOOK_ZUART_RxCpltCallback(UART_HandleTypeDef* huart, uint8_t rxdata) {}
 
 static zstm32uart_t* s_table;
 static int s_table_size;
 
+/**
+ * @brief 串口相关衔接点处理
+ */
+static inline void start_receive(UART_HandleTypeDef* huart) {
+  for (size_t i = 0; i < s_table_size; i++) {
+    if (huart == s_table[i].huart) {
+      HAL_UART_Receive_IT(s_table[i].huart, &s_table->rxbuf, 1);
+      return;
+    }
+  }
+}
+
+static inline uint8_t getrxdata(UART_HandleTypeDef* huart) {
+  for (size_t i = 0; i < s_table_size; i++) {
+    if (huart == s_table[i].huart) {
+      return s_table[i].rxbuf;
+    }
+  }
+  //代码如果走到这里，说明某个串口中断被触发了，但却没有登记该串口
+  return 0;
+}
+
+void HAL_UART_RxCpltCallback(UART_HandleTypeDef* huart) {
+  HOOK_ZUART_RxCpltCallback(huart, getrxdata(huart));
+  start_receive(huart);
+}
+
 void uart_service_start_all_uart_rx(zstm32uart_t* table, int size) {
   s_table = table;
   s_table_size = size;