diff --git a/src/main/scala/backBoard/shin/SpiInterface.scala b/src/main/scala/backBoard/shin/SpiInterface.scala
index fa6931a..1edffa7 100644
--- a/src/main/scala/backBoard/shin/SpiInterface.scala
+++ b/src/main/scala/backBoard/shin/SpiInterface.scala
@@ -199,7 +199,7 @@ class QSpiInterface(edge: Boolean) extends SpiInterfaceBase{
     & ~shiftCSn(1)
   ){
     when( (if( edge ) { bitSel.andR } else { bitSel === 0.U }) ){
-      when((byteSel === 0.U || byteSel === 1.U || byteSel === 2.U) ){
+      when( byteSel === 0.U || byteSel === 1.U || ( if( edge ) { false.B } else { byteSel === 2.U } ) ){
         exRego := 0.U //地址1，cmd
       } .elsewhen( isSpiRead ){
         exRego := io.datar