diff --git a/app/by_frame.c b/app/by_frame.c
index ea3ed2c..6370cdb 100644
--- a/app/by_frame.c
+++ b/app/by_frame.c
@@ -16,7 +16,7 @@ void by_frame_init(void)
 {
     lwrb_init(&lwrb_ctx, frame_buffer_recv, sizeof(frame_buffer_recv)); // lwrb 最大元素数量为 buff 大小减一
     uart_init(BY_FRAME_UART_INDEX, BY_FRAME_UART_BAUDRATE, BY_FRAME_UART_TX_PIN, BY_FRAME_UART_RX_PIN);
-   // uart_rx_interrupt(BY_FRAME_UART_INDEX, ENABLE);
+    uart_rx_interrupt(BY_FRAME_UART_INDEX, ENABLE);
 }
 
 void by_frame_send(uint32_t *data_array)
@@ -46,12 +46,12 @@ void by_frame_send(uint32_t *data_array)
  */
 void by_frame_parse(uint32_t *data_array)
 {
-    uint32_t len                = lwrb_get_full(&lwrb_ctx); // 缓冲区大小
-    uint8_t status              = 0;                        // 状态 0-未找到帧头 1-找到帧头 2-校验
-    uint16_t frame_start        = 0;                        // 帧起始位置
-    uint8_t frame_buf[4 + BY_FRAME_DATA_NUM * sizeof(uint32_t)]    = {0};                      // 帧
-    uint8_t buf[(4 + BY_FRAME_DATA_NUM * sizeof(uint32_t)) * 2]    = {0};                      // 用于解析的数据块
-    const uint8_t data_byte_num = BY_FRAME_DATA_NUM * sizeof(uint32_t);
+    uint32_t len                                                = lwrb_get_full(&lwrb_ctx); // 缓冲区大小
+    uint8_t status                                              = 0;                        // 状态 0-未找到帧头 1-找到帧头 2-校验
+    uint16_t frame_start                                        = 0;                        // 帧起始位置
+    uint8_t frame_buf[4 + BY_FRAME_DATA_NUM * sizeof(uint32_t)] = {0};                      // 帧
+    uint8_t buf[(4 + BY_FRAME_DATA_NUM * sizeof(uint32_t)) * 2] = {0};                      // 用于解析的数据块
+    const uint8_t data_byte_num                                 = BY_FRAME_DATA_NUM * sizeof(uint32_t);
 
     if (len < 2 * (4 + data_byte_num)) {
         // 当前要求缓冲区满
diff --git a/app/by_frame.h b/app/by_frame.h
index d23799b..a724f40 100644
--- a/app/by_frame.h
+++ b/app/by_frame.h
@@ -18,8 +18,6 @@
 
 #define BY_FRAME_DATA_NUM      (3)
 
-extern uint8_t frame_buffer[50];
-
 extern void by_frame_init(void);
 void by_frame_send(uint32_t *data_array);
 void by_frame_parse(uint32_t *data_array);
diff --git a/app/isr.c b/app/isr.c
index 9a43be0..7b28552 100644
--- a/app/isr.c
+++ b/app/isr.c
@@ -94,6 +94,12 @@ void USART2_IRQHandler(void)
     if (USART_GetITStatus(USART2, USART_IT_RXNE) != RESET) {
         USART_ClearITPendingBit(USART2, USART_IT_RXNE);
     }
+
+    if (USART_GetFlagStatus(USART2, USART_FLAG_ORE) != RESET) {
+
+        USART_ClearFlag(USART2, USART_FLAG_ORE); // ��� ORE ��־λ
+        USART_ReceiveData(USART2);
+    }
 }
 void USART3_IRQHandler(void)
 {