diff --git a/Makefile b/Makefile
index 9b2ffdc..9d534a5 100644
--- a/Makefile
+++ b/Makefile
@@ -41,6 +41,7 @@ shin:
 	sbt "test:runMain test.testShinModule"
 
 testShin:
+	./tb/shinTest/gen_pkt.py
 	iverilog -Wall  \
 	-o ./tb/build/shinTest.iverilog  \
 	-y ./generated/shin \
diff --git a/tb/shinTest/ShinTopSpiTb.v b/tb/shinTest/ShinTopSpiTb.v
index 025fc09..73191ff 100644
--- a/tb/shinTest/ShinTopSpiTb.v
+++ b/tb/shinTest/ShinTopSpiTb.v
@@ -438,8 +438,9 @@ initial begin
 
   #1000
   $fdisplay(spidata_file, "测试用例1-从IP中读取寄存器，上电后的寄存器期望值为0");
-  spi_trans( (16'h00), (`SPI_READ), (1024), (`IF_IQSPI(0)) );
-  spi_trans( (16'h400), (`SPI_READ), (1024), (`IF_IQSPI(0)) );
+  //spi_trans( (16'h00), (`SPI_READ), (1024), (`IF_IQSPI(0)) );
+  //spi_trans( (16'h400), (`SPI_READ), (1024), (`IF_IQSPI(0)) );
+  spi_trans( (16'h00), (`SPI_READ), (64), (`IF_IQSPI(0)) );
   spi_trans( (16'h00), (`SPI_READ), (64), (`IF_IQSPI(1)) );
   spi_trans( (16'h00), (`SPI_READ), (64), (`IF_IQSPI(2)) );
   spi_trans( (16'h00), (`SPI_READ), (64), (`IF_IQSPI(3)) );
@@ -512,10 +513,7 @@ initial begin
     spi_trans( (16'h0202), (`SPI_WRITE), (2), (`IF_IDX(0)) );
 
     //无子报文
-    txBuf[0+3] = 8'h00;
-    txBuf[1+3] = 8'h01;//header length 0 嗅探包1
-    txBuf[2+3] = 8'h3f;
-    txBuf[3+3] = 8'hff;
+    `include "detect_pkt.vh"
     spi_trans( (16'h1000), (`SPI_WRITE), (4), (`IF_IDX(0)) ); //写入SM1
 
     //发布请求
@@ -625,79 +623,7 @@ initial begin
     txBuf[1+3] = 8'h02;
     spi_trans( (16'h0202), (`SPI_WRITE), (2), (`IF_IDX(0)) );
 
-
-    txBuf[0+3] = 8'h20;
-    txBuf[1+3] = 8'h00;//heeader length 512
-    txBuf[2+3] = 8'h00;
-    txBuf[3+3] = 8'h00;
-
-    //子报文
-    txBuf[4+3] = 8'h0; 
-    txBuf[5+3] = 8'h8; //index = 2
-    txBuf[6+3] = 8'h08; //地址 //SM0
-    txBuf[7+3] = 8'h30; //地址 //偏置
-    txBuf[8+3] = 8'h20; //命令2 长度56
-    txBuf[9+3] = 8'd56; //长度
-    txBuf[10+3] = $random;
-    txBuf[11+3] = $random;
-
-    for( integer j = 0; j < 64-8; j = j + 1 ) begin
-      @(posedge clock) #3 
-      txBuf[12+3+j] = $random;
-    end
-
-    //-------------------------
-
-    //子报文
-    txBuf[68+3] = 8'h0; 
-    txBuf[69+3] = 8'h4; //index = 1
-    txBuf[70+3] = 8'h08; //地址 //SM0
-    txBuf[71+3] = 8'h40; //地址 //偏置
-    txBuf[72+3] = 8'h10; //命令1 长度56
-    txBuf[73+3] = 8'd56; //长度
-    txBuf[74+3] = $random;
-    txBuf[75+3] = $random;
-
-    for( integer j = 0; j < 64-8; j = j + 1 ) begin
-      @(posedge clock) #3 
-      txBuf[76+3+j] = $random;
-    end
-
-    //-------------------------
-
-    //子报文
-    txBuf[132+3] = 8'h0; 
-    txBuf[133+3] = 8'hc; //index = 3
-    txBuf[134+3] = 8'h10; //地址 //SM1
-    txBuf[135+3] = 8'h40; //地址 //偏置
-    txBuf[136+3] = 8'h00; //命令0 长度56
-    txBuf[137+3] = 8'd56; //长度
-    txBuf[138+3] = $random;
-    txBuf[139+3] = $random;
-
-    for( integer j = 0; j < 64-8; j = j + 1 ) begin
-      @(posedge clock) #3 
-      txBuf[140+3+j] = $random;
-    end
-
-    //-------------------------
-
-    for( integer i = 0 ; i < 5; i = i + 1) begin
-      //子报文
-      txBuf[196+3+i*64+0] = $random;
-      txBuf[196+3+i*64+1] = 8'h0; //index = random
-      txBuf[196+3+i*64+2] = $random;
-      txBuf[196+3+i*64+3] = $random;
-      txBuf[196+3+i*64+4] = 8'h00; //命令0 长度56
-      txBuf[196+3+i*64+5] = 8'd56; //长度
-      txBuf[196+3+i*64+6] = $random;
-      txBuf[196+3+i*64+7] = $random;
-
-      for( integer j = 0; j < 64-8; j = j + 1 ) begin
-        @(posedge clock) #3 
-        txBuf[196+3+i*64+8+j] = $random;
-      end
-    end
+    `include "seq_pkt.vh"
     spi_trans( (16'h1000), (`SPI_WRITE), (516), (`IF_IDX(0)) ); //写入SM1
 
 
@@ -740,36 +666,7 @@ initial begin
     txBuf[1+3] = 8'h00;
     spi_trans( (16'h0202), (`SPI_WRITE), (2), (`IF_IDX(0)) );
 
-    txBuf[0+3] = 8'h01;
-    txBuf[1+3] = 8'h40;//heeader length 20
-    txBuf[2+3] = 8'h00;
-    txBuf[3+3] = 8'h00;
-
-    //子报文
-    //设置同步
-    txBuf[4+3] = 8'h0; //设备索引
-    txBuf[5+3] = 8'h0; //设备索引、类型
-    txBuf[6+3] = $random; //地址
-    txBuf[7+3] = $random; //地址
-    txBuf[8+3] = 8'he0;   //命令d 负载长度2
-    txBuf[9+3] = 8'h0c;   //负载长度c
-    txBuf[10+3] = 8'h0;   //工作计数0
-    txBuf[11+3] = 8'h0;   //工作计数0
-
-    txBuf[12+3] = 0;//timeStamp[7:0];   //负载
-    txBuf[13+3] = 0;//timeStamp[15:8];   //负载
-    txBuf[14+3] = 0;//timeStamp[23:16];   //负载
-    txBuf[15+3] = 0;//timeStamp[31:24];   //负载
-    txBuf[16+3] = 0;//timeStamp[39:32];   //负载
-    txBuf[17+3] = 0;//timeStamp[47:40];   //负载
-    txBuf[18+3] = 0;//timeStamp[55:48];   //负载
-    txBuf[19+3] = 0;//timeStamp[63:56];   //负载
-
-    txBuf[20+3] = 0;//s_ShinTop_Mst.masterParser.deltaTimeStamp[ 7: 0];   //负载
-    txBuf[21+3] = 0;//s_ShinTop_Mst.masterParser.deltaTimeStamp[15: 8];   //负载
-    txBuf[22+3] = 0;//s_ShinTop_Mst.masterParser.deltaTimeStamp[23:16];   //负载
-    txBuf[23+3] = 0;//s_ShinTop_Mst.masterParser.deltaTimeStamp[31:24];   //负载
-
+    `include "sync_pkt.vh"
     spi_trans( (16'h1000), (`SPI_WRITE), (24), (`IF_IDX(0)) ); //写入SM1
 
     //写入替换时间戳替换地址
@@ -800,89 +697,7 @@ initial begin
     txBuf[1+3] = 8'h00;
     spi_trans( (16'h0202), (`SPI_WRITE), (2), (`IF_IDX(0)) );
 
-    //header
-    txBuf[0+3] = 8'h03;
-    txBuf[1+3] = 8'h00;//heeader length 48
-    txBuf[2+3] = 8'h00;
-    txBuf[3+3] = 8'h00;
-
-    //子报文
-    //设置同步相关寄存器
-    txBuf[4+3] = 8'h0; //设备索引
-    txBuf[5+3] = 8'h08; //设备索引、类型 //2号设备
-    txBuf[6+3] = 8'h01; //地址
-    txBuf[7+3] = 8'h20; //地址 0x120
-    txBuf[8+3] = 8'h10;   //命令1 写入寄存器 负载长度2
-    txBuf[9+3] = 8'h28;   //负载长度0x28
-    txBuf[10+3] = 8'h0;   //工作计数0
-    txBuf[11+3] = 8'h0;   //工作计数0
-
-    // txBuf[12+3] = 8'h0f;   //负载0x120 0x0f 全部脉冲，全部使能
-    // txBuf[13+3] = 0;   //负载0x121
-    // txBuf[14+3] = 10;  //负载0x122 sync0脉冲宽度 10
-    // txBuf[15+3] = 0;   //负载0x123
-    // txBuf[16+3] = 0;  //负载0x124 sync1脉冲宽度  0
-    // txBuf[17+3] = 0;   //负载0x125
-    // txBuf[18+3] = 1;   //负载0x126 sync2脉冲宽度 1
-    // txBuf[19+3] = 0;   //负载0x127 
-    // txBuf[20+3] = 8'hff;   //负载0x128 sync3脉冲宽度 最大
-    // txBuf[21+3] = 8'hff;   //负载0x129
-
-
-    txBuf[12+3] = 8'hff;   //负载0x120 0xff 全部电平，全部使能
-    txBuf[13+3] = 0;   //负载0x121
-
-    txBuf[14+3] = 0;  //负载0x122 sync0脉冲宽度
-    txBuf[15+3] = 0;   //负载0x123
-    txBuf[16+3] = 0;  //负载0x124 sync1脉冲宽度
-    txBuf[17+3] = 0;   //负载0x125
-    txBuf[18+3] = 0;   //负载0x126 sync2脉冲宽度
-    txBuf[19+3] = 0;   //负载0x127 
-    txBuf[20+3] = 0;   //负载0x128 sync3脉冲宽度
-    txBuf[21+3] = 0;   //负载0x129
-
-    txBuf[22+3] = 0;   //负载0x12a empty
-    txBuf[23+3] = 0;   //负载0x12b
-    txBuf[24+3] = 0;   //负载0x12c
-    txBuf[25+3] = 0;   //负载0x12d
-    txBuf[26+3] = 0;   //负载0x12e
-    txBuf[27+3] = 0;   //负载0x12f
-
-    //同步点
-    txBuf[28+3] = 8'h90;   //负载0x130 同步点
-    txBuf[29+3] = 8'h88;   //负载0x131
-    txBuf[30+3] = 0;   //负载0x132
-    txBuf[31+3] = 0;   //负载0x133
-    txBuf[32+3] = 0;   //负载0x134
-    txBuf[33+3] = 0;   //负载0x135
-    txBuf[34+3] = 0;   //负载0x136
-    txBuf[35+3] = 0;   //负载0x137
-
-    //周期
-    txBuf[36+3] = 8'hff;   //负载0x138
-    txBuf[37+3] = 8'hf;   //负载0x139
-    txBuf[38+3] = 0;   //负载0x13a
-    txBuf[39+3] = 0;   //负载0x13b
-
-    //0ffset sync1
-    txBuf[40+3] = 8'ha;   //负载0x13c
-    txBuf[41+3] = 0;   //负载0x13d
-    txBuf[42+3] = 0;   //负载0x13e
-    txBuf[43+3] = 0;   //负载0x13f
-
-    //0ffset sync2
-    txBuf[44+3] = 8'h0;   //负载0x140
-    txBuf[45+3] = 0;   //负载0x141
-    txBuf[46+3] = 0;   //负载0x142
-    txBuf[47+3] = 0;   //负载0x143
-
-    //0ffset sync3
-    txBuf[48+3] = 8'h0;   //负载0x144
-    txBuf[49+3] = 8'h01;   //负载0x145
-    txBuf[50+3] = 0;   //负载0x146
-    txBuf[51+3] = 0;   //负载0x147
-
-
+    `include "sync_sig_pkt.vh"
     spi_trans( (16'h1000), (`SPI_WRITE), (52), (`IF_IDX(0)) ); //写入SM1
 
     //发布请求
diff --git a/tb/shinTest/gen_pkt.py b/tb/shinTest/gen_pkt.py
index 0a19595..b9b39e8 100755
--- a/tb/shinTest/gen_pkt.py
+++ b/tb/shinTest/gen_pkt.py
@@ -1,49 +1,157 @@
 #!/usr/bin/env python
 #encoding=utf-8
+import random
 
-from ctypes import *
+class GenPkt(object):
+    def __init__(self):
+        super(GenPkt, self).__init__()
+        
+        self.pkt_buf = bytearray(b'\0' * 2048)
+        self.pkt_type = 0
+        self.pkt_sub_pkt = 0
+        self.sub_pkt = list()
 
-class TPkt(BigEndianStructure):
-    pass
-TPkt._pack_ = 1
-TPkt._fields_=[
-                ('len',     c_uint, 12),
-                ('rsv1',    c_uint, 2),
-                ('type',    c_uint, 2),
-                ('rsv2',    c_uint16),
-                ('data',    c_uint8 * 2040),
-                ]
+    def clean(self):
+        self.pkt_buf = bytearray(b'\0' * 2048)
+        self.pkt_type = 0
+        self.pkt_sub_pkt = 0
+        self.sub_pkt = list()
 
-class TSubPkt(BigEndianStructure):
-    pass
+    def setPktType(self, type):
+        if (type != 0) and (type != 1):
+            print('Error...set type failed:', type)
+        else:
+            self.pkt_type = type
 
-TSubPkt._pack_ = 1
-TSubPkt._fields_=[
-                ('dev',  c_uint, 14),
-                ('mode', c_uint, 2),
-                ('addr', c_uint16),
-                ('cmd',  c_uint, 4),
-                ('slen', c_uint, 12),
-                ('wkr',  c_uint16)
-                ]
+    def addSubPkt(self, dev_idx, ptype, addr, cmd, len, data):
+        if (len > 2032):
+            print('Error, bad subpkt len:%d', len)
+            return 
+        if not (ptype in [0, 2]):
+            print('Error, bad subpkt type:', ptype)
+            return 
+        if not (cmd in [0, 1, 2, 0xb, 0xc, 0xd, 0xe, 0xf]):
+            print('Error, bad cmd:', cmd)
+            return 
+        
+        self.pkt_sub_pkt = self.pkt_sub_pkt + 1
+        self.sub_pkt.append([dev_idx, ptype, addr, cmd, len, data])
 
+    def gen(self, filename="pkt_verilog_test.v", filetype=0):
+        pkt_len = 4
+        for sp in self.sub_pkt:
+            pkt_len = pkt_len + sp[4] + 8
 
+        if pkt_len > 2048:
+            print('Error, bad pkt_len:', pkt_len)
+            return 
+        
+        print("pkt_len:%d, data_len:%d"%(pkt_len, pkt_len - 4))
+        
+        i = 4
+        if self.pkt_type == 1:
+            pkt_len = 0
+            self.pkt_buf[0] = 0
+            self.pkt_buf[1] = (self.pkt_type & 0x3)
+            self.pkt_buf[2] = 0x3f
+            self.pkt_buf[3] = 0xff
+        else:
+            #for i in range(pkt_len):
+            self.pkt_buf[0] = ((pkt_len - 4) >> 4) & 0xff
+            self.pkt_buf[1] = (((pkt_len - 4) << 4) & 0xf0) | (self.pkt_type & 0x3)
+            self.pkt_buf[2] = 0
+            self.pkt_buf[3] = 0
+            
+            for sp in self.sub_pkt:
+                #设备索引(14bit)+类型(2bit)
+                temp = ((sp[0] & 0x3fff) << 2) | (sp[1] & 0x3)
+                
+                self.pkt_buf[i] = (temp >> 8) & 0xff
+                i = i + 1
+                self.pkt_buf[i] = temp & 0xff
+                i = i + 1
+                
+                #地址
+                self.pkt_buf[i] = (sp[2] >> 8) & 0xff
+                i = i + 1
+                self.pkt_buf[i] = sp[2] & 0xff
+                i = i + 1
 
+                #命令类型(4bit)+长度(12bit)
+                temp = (sp[3] << 12) | (sp[4] & 0xfff)
+                
+                self.pkt_buf[i] = (temp >> 8) & 0xff
+                i = i + 1
+                self.pkt_buf[i] = temp & 0xff
+                i = i + 1
+
+                #工作计数
+                self.pkt_buf[i] = 0
+                i = i + 1
+                self.pkt_buf[i] = 0
+                i = i + 1
+
+                #数据
+                if sp[5] == None:
+                    for _k in range(sp[4]):
+                        self.pkt_buf[_k + i] = random.randint(0, 255)
+                else:
+                    for _k in range(sp[4]):
+                        self.pkt_buf[_k + i] = sp[5][_k]
+
+                i = i + sp[4]
+
+        f = open(filename, "wt+")
+        for _k in range(i):
+            f.write("txBuf[%d]=8'h%02X;\n"%(3 + _k, self.pkt_buf[_k]))
+        f.close()
 
 if __name__ == '__main__':
-    packet = b'\0' * 2048
+    genPkt = GenPkt()
+    
+    genPkt.setPktType(1)
+    genPkt.gen("./generated/shin/detect_pkt.vh")
+    
+    genPkt.clean()
+    genPkt.setPktType(0)
+    
+    #subPkt参数：索引、索引类型、地址、命令、长度、数据
+    genPkt.addSubPkt(0x02, 0, 0x0830, 0x2, 56, None)
+    genPkt.addSubPkt(0x01, 0, 0x0840, 0x1, 56, None)
+    genPkt.addSubPkt(0x03, 0, 0x1040, 0x0, 56, None)
+    for i in range(5):
+        genPkt.addSubPkt(random.randint(100, 4000), 0, random.randint(0, 65536), 0x0, 56, None)
+    #genPkt.addSubPkt(10, 2, 0x300, 0x2, 4, None)
+    #genPkt.addSubPkt(11, 1, 0x300, 0x2, 4, None)
+    genPkt.gen("./generated/shin/seq_pkt.vh")
 
-    pkt = cast (packet, POINTER(TPkt)).contents
-    pkt.len = 512
-    pkt.rsv1 = 0
-    pkt.type = 0
-    pkt.rsv2 = 0
-    pkt.data[0] = 1
-    pkt.data[1] = 2
-    pkt.data[2] = 3
-    pkt.data[3] = 4
+    genPkt.clean()
+    genPkt.setPktType(0)
 
-    for i in range(10):
-        print(hex(packet[i]), ' ')
+    #subPkt参数：索引、索引类型、地址、命令、长度、数据
+    genPkt.addSubPkt(0x0, 0, random.randint(0, 65536), 0xe, 12, b'\0'*12)
 
 
+    genPkt.gen("./generated/shin/sync_pkt.vh")
+
+
+    genPkt.clean()
+    genPkt.setPktType(0)
+
+    #subPkt参数：索引、索引类型、地址、命令、长度、数据
+    data = bytearray(b"\0" * 0x28)
+    data[0] = 0xff
+    data[16] = 0x90
+    data[17] = 0x88
+    data[24] = 0xff
+    data[25] = 0x0f
+    data[28] = 0x0a
+    data[29] = 0x0
+
+    data[36] = 0x0
+    data[37] = 0x01
+    
+    genPkt.addSubPkt(0x2, 0, 0x120, 0x1, 0x28, data)
+    
+
+    genPkt.gen("./generated/shin/sync_sig_pkt.vh")
\ No newline at end of file