diff --git a/asn.go b/asn.go
index f27fe32..6a952be 100644
--- a/asn.go
+++ b/asn.go
@@ -15,12 +15,11 @@ type Result struct {
 var (
 	rIp   = []string{"219.141.136.12", "202.106.50.1", "221.179.155.161", "202.96.209.133", "210.22.97.1", "211.136.112.200", "58.60.188.222", "210.21.196.6", "120.196.165.24", "61.139.2.69", "119.6.6.6", "211.137.96.205"}
 	rName = []string{"北京电信", "北京联通", "北京移动", "上海电信", "上海联通", "上海移动", "广州电信", "广州联通", "广州移动", "成都电信", "成都联通", "成都移动"}
-	ca    = []color.Attribute{color.FgHiYellow, color.FgHiMagenta, color.FgHiBlue, color.FgHiGreen, color.FgHiCyan, color.FgHiRed}
+	ca    = []color.Attribute{color.FgHiYellow, color.FgHiMagenta, color.FgHiBlue, color.FgHiGreen, color.FgHiCyan, color.FgHiRed, color.FgHiWhite}
 	m     = map[string]string{"AS4134": "电信163 [普通线路]", "AS4809": "电信CN2 [优质线路]", "AS4837": "联通4837[普通线路]", "AS9929": "联通9929[优质线路]", "AS9808": "移动CMI [普通线路]", "AS58453": "移动CMI [普通线路]"}
 )
 
 func trace(ch chan Result, i int) {
-
 	hops, err := Trace(net.ParseIP(rIp[i]))
 	if err != nil {
 		s := fmt.Sprintf("%v %-15s %v", rName[i], rIp[i], err)
@@ -35,12 +34,16 @@ func trace(ch chan Result, i int) {
 				continue
 			} else {
 				as := m[asn]
-				cai := i % 6
-				c := color.New(ca[cai]).Add(color.Bold).SprintFunc()
-				s := fmt.Sprintf("%v %-15s %-23s", rName[i], rIp[i], c(as))
+				var c *color.Color
+				if strings.Contains(as, "[优质线路]") {
+					c = color.New(color.FgHiGreen).Add(color.Bold)
+				} else {
+					c = color.New(color.FgHiYellow).Add(color.Bold)
+				}
+				s := fmt.Sprintf("%v %-15s %-23s", rName[i], rIp[i], c.Sprint(as))
 				ch <- Result{i, s}
 				return
-			}
+				}
 		}
 	}