diff --git a/tb/shinTest/ShinTopSpiTb.v b/tb/shinTest/ShinTopSpiTb.v
index 4a8f2bc..4dcd653 100644
--- a/tb/shinTest/ShinTopSpiTb.v
+++ b/tb/shinTest/ShinTopSpiTb.v
@@ -721,6 +721,72 @@ task f_write(input [31:0] logh, input [15:0] saddress, input [7:0] scmd, input [
   end
 endtask
 
+task wait_comm_finished();
+    begin:WAIT_COMM_FINISHED_CODE
+        real st;
+        integer is_run;
+
+        st = $realtime;
+        is_run = 1;
+
+        txBuf[0] = 8'h00;
+        txBuf[1] = 8'h78;
+        txBuf[2] = `SPI_WRITE;
+        txBuf[3] = 8'h03;
+
+        length = 8'h04;
+        idx = `IF_IQSPI(0);
+
+        #5
+        @(negedge sck)
+        isReq <= 1;
+        @(posedge sck) #5
+        isReq <= 0;
+
+        @( negedge isBusy) #1000
+        begin 
+            
+        end
+
+
+        while (is_run == 1) begin
+            txBuf[0] = 8'h00;
+            txBuf[1] = 8'h74;
+            txBuf[2] = `SPI_READ;
+
+            length = 8'h07;
+            idx = `IF_IQSPI(0);
+
+            #5
+            @(negedge sck)
+            isReq <= 1;
+            @(posedge sck) #5
+            isReq <= 0;
+
+            @( negedge isBusy) #1000
+            begin 
+                
+            end
+            #2000
+            //$display("%x %x", rxBuf[3], rxBuf[6]);
+            if ((rxBuf[3] & 8'h02) == 8'h02)
+            begin
+                $display("1111111111");
+                is_run = 0;
+            end
+            if ((rxBuf[6] & 8'h60) != 8'h00)
+            begin
+                $display("222222222");
+                is_run = 0;
+            end
+            if (($realtime - st) >= 1000000.0)
+            begin
+                $display("333333333");
+                //is_run = 0;
+            end
+        end
+    end
+endtask
 
 
 initial begin
diff --git a/tb/shinTest/pyutils/GenPkt.py b/tb/shinTest/pyutils/GenPkt.py
index fca4655..0736367 100644
--- a/tb/shinTest/pyutils/GenPkt.py
+++ b/tb/shinTest/pyutils/GenPkt.py
@@ -235,7 +235,7 @@ def genTrgTransPktCode(gen_name, sm_idx, wlog=True):
 def genReadAckPktCode(gen_name, sm_idx, wlog=True):
     return '''\n//等待回包\n'''\
         + '''_reset_deadline_ind = 1;\n'''\
-        + '''@(posedge isResp or posedge _deadline_ind) #5 begin end\n'''\
+        + '''wait_comm_finished();\n'''\
         + f'''$fdisplay(spidata_file, ">>读取回包，使用SM{sm_idx}：");\n'''\
         + '''%s( (`MST_RX%d_ADDR), (`SPI_READ), (`DEF_%s_len), (`IF_IDX(0)) );\n'''%("`SPI_TRANS" if wlog else "spi_trans", sm_idx, gen_name,)