diff --git a/Makefile b/Makefile
index f44a0fb..0b25106 100644
--- a/Makefile
+++ b/Makefile
@@ -60,7 +60,7 @@ test:
 
 
 sw:
-
+	rm ./tb/sw/build/* -f
 
 	riscv64-unknown-elf-gcc -Os -ggdb -march=rv32i -mabi=ilp32 -Wall -mcmodel=medany -mexplicit-relocs -mcmodel=medany -mexplicit-relocs \
 	-I ./tb/sw/ -I ./tb/sw/src \
@@ -120,6 +120,8 @@ sw:
 	riscv64-unknown-elf-objcopy -O verilog  ./tb/sw/build/slvTest.elf  ./tb/sw/build/slvTest.verilog
 	sed -i 's/@800/@000/g' ./tb/sw/build/slvTest.verilog
 
+	python3 ./tb/sw/bin_to_hex.py
+
 
 fst:
 	gtkwave ./tb/build/wave.fst &
diff --git a/tb/sw/bin_to_hex.py b/tb/sw/bin_to_hex.py
new file mode 100644
index 0000000..6a711d7
--- /dev/null
+++ b/tb/sw/bin_to_hex.py
@@ -0,0 +1,24 @@
+def bin_to_hex_file(bin_file, hex_file, address_depth=1024, data_width=32):
+    # 打开二进制文件和输出的Hex文件
+    with open(bin_file, 'rb') as bf, open(hex_file, 'w') as hf:
+        # 写入文件头
+        hf.write("#File_format=Hex\n")
+        hf.write(f"#Address_depth={address_depth}\n")
+        hf.write(f"#Data_width={data_width}\n")
+        
+        # 读取二进制文件内容
+        data = bf.read()
+        
+        # 将二进制内容按每4字节分割并转换为十六进制字符串
+        for i in range(address_depth):
+            if i * 4 < len(data):
+                # 提取4字节数据并转为32位的十六进制字符串
+                value = int.from_bytes(data[i*4:(i+1)*4], byteorder='little')
+                hf.write(f"{value:08X}\n")
+            else:
+                # 如果数据不够，填充0
+                hf.write("00000000\n")
+
+# 运行脚本
+bin_to_hex_file("./tb/sw/build/slvTest.bin", "./tb/sw/build/slvTest.mi")
+bin_to_hex_file("./tb/sw/build/mstTest.bin", "./tb/sw/build/mstTest.mi")
\ No newline at end of file
diff --git a/tb/sw/src/MstMain.c b/tb/sw/src/MstMain.c
index 5014b9b..063e846 100644
--- a/tb/sw/src/MstMain.c
+++ b/tb/sw/src/MstMain.c
@@ -44,6 +44,8 @@ void main()
 
 	uint32_t isLast;
 
+	uint32_t led = 0;
+
 	while(1){
 
 		*cdr_softReset = 1; //复位脉冲
@@ -53,11 +55,19 @@ void main()
 			"1:\n"
 			"rdcycle ra\n"
 			"srli ra, ra, 12\n"
-			//"srli ra, ra, 26\n"
+			// "srli ra, ra, 26\n"
 			"andi ra, ra, 0x1\n"
 			"beqz ra, 1b\n"
 		);
 
+		if( led ){
+			*WriteGpio = 0xFFFFFFFF;
+			led = 0;
+		} else{
+			*WriteGpio = 0x0;
+			led = 1;		
+		}
+
 
 		//发送下行包头
 		*cdr_txLen = 520; //总长520
diff --git a/tb/sw/src/SlvMain.c b/tb/sw/src/SlvMain.c
index 5044ddf..3749f90 100644
--- a/tb/sw/src/SlvMain.c
+++ b/tb/sw/src/SlvMain.c
@@ -48,6 +48,7 @@ void main()
 		*cdr_softReset = 1; //复位脉冲
 		isLast = *ReadIsLast;
 		*cdr_direct = 0;
+		*WriteGpio = 0xaaaa;
 
 		asm volatile (
 			"1:\n"