diff --git a/tb/shinTest/ShinTopSpiTb.v b/tb/shinTest/ShinTopSpiTb.v
index da8490b..85c6cd4 100644
--- a/tb/shinTest/ShinTopSpiTb.v
+++ b/tb/shinTest/ShinTopSpiTb.v
@@ -384,17 +384,17 @@ initial begin
 
   spi_csn  = {`SPI_CSN_NUM{1'b1}}; //~15'b0;
 
-	#125000
+	//#125000
+  #250000
 	reset <= 1;
 
-	#300000
+	//#300000
+  #600000
 	reset <= 0;
 
-//#20000000
-  #100000000000
-  #100000000000
-  #100000000000
-//#5000000
+  #200000000000
+  #200000000000
+  #200000000000
 
 	$display("Time Out !!!");
   	$fclose(spidata_file);
@@ -402,7 +402,7 @@ initial begin
 end
 
 initial begin
-	forever begin #100000 clock <= ~clock; end
+	forever begin #200000 clock <= ~clock; end
 end
 
 
@@ -414,14 +414,16 @@ generate
         #12500
         ;
       end
-      forever begin #100000 multiCLK[i] <= ~multiCLK[i]; end
+      forever begin #200000 multiCLK[i] <= ~multiCLK[i]; end
     end
   end  
 endgenerate
 
-
+//如果频率差到 80ppm，参数是： 200016/25002/20016
+//如果频率差到120ppm，参数是： 200024/25003/20024
+//如果频率差到160ppm，参数是： 200032/25004/20032
 initial begin
-	forever begin #100008 clock2 <= ~clock2; end
+	forever begin #200024 clock2 <= ~clock2; end
 end
 
 generate
@@ -429,10 +431,10 @@ generate
     initial begin
       multiCLK2[i] = 0;
       for( integer j = 0; j < i; j = j + 1 ) begin
-        #12501
+        #25003
         ;
       end
-      forever begin #100008 multiCLK2[i] <= ~multiCLK2[i]; end
+      forever begin #200024 multiCLK2[i] <= ~multiCLK2[i]; end
     end
   end  
 endgenerate
@@ -455,7 +457,7 @@ always @(negedge reset) begin
   _reset_deactive <= 1'b1;
 end
 
-  `define SCKFRE #800000
+  `define SCKFRE #1600000
 
   reg sck = 0;
   
@@ -530,13 +532,13 @@ end
 
 always @(posedge clock) begin
   if( isReq & sck == 0 ) begin
-    isBusy   <= #6250 1'b1;
-    transCnt <= #6250 0;
+    isBusy   <= #12500 1'b1;
+    transCnt <= #12500 0;
 
-    byteCnt <= #6250 ~12'b0;
-    bitCnt  <= #6250 ~3'b0;
+    byteCnt <= #12500 ~12'b0;
+    bitCnt  <= #12500 ~3'b0;
 
-    spi_csn[idx] <= #6250 1'b0;
+    spi_csn[idx] <= #12500 1'b0;
     exChangeRego <= txBuf[0];
   end
 end
@@ -583,8 +585,8 @@ always @(posedge sck) begin
         exChangeRegi <= isQspi ? {exChangeRegi[3:0], qspi_mux_miso} : {exChangeRegi[6:0], spi_mux_miso};
       end
     end else begin
-      isBusy       <= #6250 1'b0;
-      spi_csn[idx] <= #6250 1'b1;
+      isBusy       <= #12500 1'b0;
+      spi_csn[idx] <= #12500 1'b1;
     end
   end
 end
@@ -603,13 +605,13 @@ task spi_trans( input [15:0] saddress, input [7:0] scmd, input [12:0] slength,in
     length <= slength + 3;
     idx <= sidx;
 
-    #6250
+    #12500
     @(negedge sck)
     isReq <= 1;
-    @(posedge sck) #6250
+    @(posedge sck) #12500
     isReq <= 0;
 
-    @( negedge isBusy) #1250000
+    @( negedge isBusy) #2500000
     begin 
       //$fwrite(spidata_file, "------------%5t------------\n", $realtime);
       $fwrite(spidata_file, "T:%t \tdev:%4d, addr:0x%02h%02h, %s, len:%4d\n", 
@@ -887,13 +889,13 @@ task wait_comm_finished();
         length = 8'h07;
         idx = `IF_IQSPI(0);
 
-        #6250
+        #12500
         @(negedge sck)
         isReq <= 1;
-        @(posedge sck) #6250
+        @(posedge sck) #12500
         isReq <= 0;
 
-        @( negedge isBusy) #1250000
+        @( negedge isBusy) #2500000
         begin 
             
         end
@@ -907,13 +909,13 @@ task wait_comm_finished();
             length = 8'h07;
             idx = `IF_IQSPI(0);
 
-            #6250
+            #12500
             @(negedge sck)
             isReq <= 1;
-            @(posedge sck) #6250
+            @(posedge sck) #12500
             isReq <= 0;
 
-            @( negedge isBusy) #1250000
+            @( negedge isBusy) #2500000
             begin 
                 
             end
@@ -928,7 +930,7 @@ task wait_comm_finished();
                 $display("error occur");
                 is_run = 0;
             end
-            if (($realtime - st) >= 6250000000.0)
+            if (($realtime - st) >= 12500000000.0)
             begin
                 $display("comm timeout.");
                 is_run = 0;
@@ -1093,7 +1095,7 @@ initial begin
 
   `include "tc_runlist.vh"
 
-  #1250000000
+  #2500000000
   $display("Testcase Finished! Time Out !!!");
   $fclose(spidata_file);
 	$stop;