diff --git a/platformapi/limit_access_speed_test.go b/platformapi/limit_access_speed_test.go
index 2723571e..800ea310 100644
--- a/platformapi/limit_access_speed_test.go
+++ b/platformapi/limit_access_speed_test.go
@@ -3,7 +3,6 @@ package platformapi
 import (
 	"fmt"
 	"sort"
-	"strings"
 	"testing"
 	"time"
 
@@ -62,11 +61,3 @@ func Test_store(b *testing.T) {
 	})
 	fmt.Println(tempTagList)
 }
-
-func Test_string_byte(t *testing.T) {
-	aa := `<b>%s</b><b>1111111111111111111</b>`
-	bb := strings.Replace(aa, "<b>", "<hb>", -1)
-	cc := strings.Replace(bb, "</b>", "</hb>", -1)
-	fmt.Println("bb===========", bb)
-	fmt.Println("cc===========", cc)
-}