diff --git a/tb/shinTest/ShinTopSpiTb.v b/tb/shinTest/ShinTopSpiTb.v
index 1452dd0..7618223 100644
--- a/tb/shinTest/ShinTopSpiTb.v
+++ b/tb/shinTest/ShinTopSpiTb.v
@@ -353,8 +353,8 @@ always @(posedge sck) begin
       if( &bitCnt ) begin
         byteCnt <= byteCnt +1;
         transCnt <= transCnt + 1;
-        rxBuf[byteCnt] <= isQspi ? {exChangeRegi[3:0], qspi_mux_miso} : {exChangeRegi[6:0], spi_mux_miso};
         if( txBuf[2] === 1 & nextByteCnt >= 4) begin
+          rxBuf[byteCnt] <= exChangeRegi;
           $display("spi read out %x", exChangeRegi);
         end
         if( txBuf[2] === 1 & nextByteCnt >= 3) begin