diff --git a/tb/shinTest/ShinTopSpiTb.v b/tb/shinTest/ShinTopSpiTb.v
index 85c6cd4..16fa907 100644
--- a/tb/shinTest/ShinTopSpiTb.v
+++ b/tb/shinTest/ShinTopSpiTb.v
@@ -422,8 +422,9 @@ 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
+//如果频率差到200ppm，参数是： 200040/25005/20040
 initial begin
-	forever begin #200024 clock2 <= ~clock2; end
+	forever begin #200040 clock2 <= ~clock2; end
 end
 
 generate
@@ -431,10 +432,10 @@ generate
     initial begin
       multiCLK2[i] = 0;
       for( integer j = 0; j < i; j = j + 1 ) begin
-        #25003
+        #25005
         ;
       end
-      forever begin #200024 multiCLK2[i] <= ~multiCLK2[i]; end
+      forever begin #200040 multiCLK2[i] <= ~multiCLK2[i]; end
     end
   end  
 endgenerate