diff --git a/tb/shinTest/ShinTopSpiTb.v b/tb/shinTest/ShinTopSpiTb.v
index 1e27607..8de3a0e 100644
--- a/tb/shinTest/ShinTopSpiTb.v
+++ b/tb/shinTest/ShinTopSpiTb.v
@@ -788,11 +788,11 @@ initial begin
 
     txBuf[3] = 8'h81;
     txBuf[4] = 8'h00;
-    spi_trans((16'h0316), (`SPI_WRITE), (2), (`IF_IDX(2)) );//dev2_sm3
+    spi_trans((16'h0316), (`SPI_WRITE), (2), (`IF_IDX(3)) );//dev2_sm3
 
     txBuf[3] = 8'h8c;
     txBuf[4] = 8'h00;
-    spi_trans((16'h031e), (`SPI_WRITE), (2), (`IF_IDX(2)) );//dev2_sm3
+    spi_trans((16'h031e), (`SPI_WRITE), (2), (`IF_IDX(4)) );//dev2_sm3
     
 
     for (integer i=0; i < 128; i++) begin