diff --git a/device/Src/wk2114_port.c b/device/Src/wk2114_port.c
index 03ad01c..dc32cc4 100644
--- a/device/Src/wk2114_port.c
+++ b/device/Src/wk2114_port.c
@@ -598,12 +598,7 @@ void WK2114_Task(void * argument )
 
             // log_w("Tx Fifo Trigger Int  ..... subuart_sendqueue_count %d ",subuart_sendqueue_count);
             if (subuart_sendqueue_count >= 0){
-                if ( (p_sub_uart->send_record_p-subuart_sendqueue_count-1) > 0)
-                {
-                    current_record_p = p_sub_uart->send_record_p-subuart_sendqueue_count;
-                }else{
-                    current_record_p = p_sub_uart->send_record_p + 8 -subuart_sendqueue_count ;
-                }
+                current_record_p =( p_sub_uart->send_record_p + 8 -subuart_sendqueue_count) % 8;
                 //  log_d("  p_sub_uart->send_buf_p %d" , p_sub_uart->send_buf_p);
                 // log_d("  record size %d" , p_sub_uart->send_record[current_record_p]);
                 //  当前record数据发完，取出队列， 状态回到 state_ok
@@ -796,11 +791,33 @@ void WK2114_Task(void * argument )
         case WK2114_WORK_STATE_EXTI_READ_REG:
             log_d(" read reg for check  ....  ");
 
-            //  写入软复位
+            osSemaphoreRelease(wk2xxx_idle_lockHandle );
+            osSemaphoreAcquire(wk2xxx_idle_lockHandle, osWaitForever);
+            wk2114->cmd = WK2114_S_REG_FCR ;
+            wk2114_read_global_reg( wk2114, wk2114->cmd ); 
+            osSemaphoreAcquire(wk2xxx_idle_lockHandle, 0xFF);
+            log_d("WK2114 subuart FCR ....  0x%02X", wk2xxx_rcvbuf[0]);
+
+            // //  写入FCR复位
+            // osSemaphoreRelease(wk2xxx_idle_lockHandle );
+            // osSemaphoreAcquire(wk2xxx_idle_lockHandle, osWaitForever);
+            // wk2114->cmd = WK2114_S_REG_FCR ;
+            // wk2114_write_global_reg( wk2114, wk2114->cmd, 0x0E ); 
+            // osSemaphoreAcquire(wk2xxx_idle_lockHandle, 0xFF);
+
+            //  TODO 写入软复位 , 需要串口中断使能位，否则接收中断没了
             osSemaphoreRelease(wk2xxx_idle_lockHandle );
             osSemaphoreAcquire(wk2xxx_idle_lockHandle, osWaitForever);
             wk2114->cmd = WK2114_G_REG_GRST ;
-            wk2114_write_global_reg( wk2114, wk2114->cmd, 0x0F ); 
+            wk2114_write_global_reg( wk2114, wk2114->cmd, 1<<wk2114->it_sub_uart_index ); 
+            osSemaphoreAcquire(wk2xxx_idle_lockHandle, 0xFF);
+
+            //  TODO 写入子串口中断类型  接收 错误
+            osSemaphoreRelease(wk2xxx_idle_lockHandle );
+            osSemaphoreAcquire(wk2xxx_idle_lockHandle, osWaitForever);
+            wk2114->reg = WK2114_S_REG_SIER ;
+            wk2114->cmd = WK2114_S_REG_SIFR_MASK_RFTRIG_INT|WK2114_S_REG_SIFR_MASK_RXOVT_INT|WK2114_S_REG_SIFR_MASK_FERR_INT; ;
+            wk2114_write_subuart_reg( wk2114, wk2114->it_sub_uart_index , wk2114->reg, wk2114->cmd ); 
             osSemaphoreAcquire(wk2xxx_idle_lockHandle, 0xFF);
 
             osSemaphoreRelease(wk2xxx_idle_lockHandle );