update: 更新使用指南

README.md

@@ -1,2 +1,29 @@
-# traceroute
+# NextTrace
+
 可视化路由跟踪工具
+
+## How To Use
+
+```shell
+NextTrace v0.1.0 Alpha 
+xgadget-lab zhshch (xzhsh.ch) & leo (leo.moe)
+Usage of nexttrace:
+  -T    Use TCP SYN for tracerouting (default port is 80 in TCP, 53 in UDP)
+  -d string
+        Choose IP Geograph Data Provider [LeoMoeAPI, IP.SB, IPInfo, IPInsight] (default "LeoMoeAPI")
+  -displayMode string
+        Choose The Display Mode [table, classic] (default "table")
+  -m int
+        Set the max number of hops (max TTL to be reached). (default 30)
+  -p int
+        Set SYN Traceroute Port (default 80)
+  -q int
+        Set the number of probes per each hop. (default 3)
+  -r int
+        Set ParallelRequests number. It should be 1 when there is a multi-routing. (default 18)
+  -rdns
+        Set whether rDNS will be display
+  -report
+        Auto-Generate a Route-Path Report by Traceroute
+```
+