diff --git a/src/main/scala/backBoard/shin/SpiInterface.scala b/src/main/scala/backBoard/shin/SpiInterface.scala
index 8e6f729..d06a152 100644
--- a/src/main/scala/backBoard/shin/SpiInterface.scala
+++ b/src/main/scala/backBoard/shin/SpiInterface.scala
@@ -99,8 +99,8 @@ class SSpiInterface extends SpiInterfaceBase{
 
   when( shiftCSn(2) & ~shiftCSn(1) || (~shiftCSn(2) & shiftCSn(1)) ){  //CS下跳或上跳
     spiCmd := 0.U
-  } .elsewhen( isSckPosedgeNext(0) & ~shiftCSn(2) & byteSelNext === 2.U & bitSelNext === 0.U ){ //CS为低，且SCK上跳的第0byte
-    spiCmd := shiftMOSI(2)
+  } .elsewhen( isSckPosedge & ~shiftCSn(1) & byteSel === 2.U & bitSel === 0.U ){ //CS为低，且SCK上跳的第0byte
+    spiCmd := shiftMOSI(1)
   }
 
 
@@ -178,8 +178,8 @@ class QSpiInterface extends SpiInterfaceBase{
 
   when( (shiftCSn(2) & ~shiftCSn(1)) || (~shiftCSn(2) & shiftCSn(1)) ){  //CS下跳或上跳
     spiCmd := 0.U
-  } .elsewhen( isSckPosedgeNext(0) & ~shiftCSn(2) & byteSelNext === 2.U & bitSelNext === 0.U ){ //CS为低，且SCK上跳的第0byte
-    spiCmd := shiftMOSI(2).extract(3)
+  } .elsewhen( isSckPosedge & ~shiftCSn(1) & byteSel === 2.U & bitSel === 0.U ){ //CS为低，且SCK上跳的第0byte
+    spiCmd := shiftMOSI(1).extract(3)
   }
 
   when( shiftCSn(2) & ~shiftCSn(1) ){