From be48460f1e0b9665537e96cc5972765dc5ee2217 Mon Sep 17 00:00:00 2001
From: ro0tk1t <1576235794@qq.com>
Date: Mon, 25 Jan 2021 16:03:01 +0800
Subject: [PATCH 1/2] fix: panic happend when only use -f option

---
 core/start.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/start.go b/core/start.go
index b7000d1..ac45032 100644
--- a/core/start.go
+++ b/core/start.go
@@ -182,6 +182,9 @@ func Start(options *Options) {
 			sendog.Send(rstruct.Domain, rstruct.Dns, rstruct.SrcPort, rstruct.FlagId)
 		}
 	}()
+	if f == nil {
+		return
+	}
 	// 循环遍历发送
 	for {
 		line, _, err := r.ReadLine()

From 88eec46b891ddf001cb95c94cf41cb5c5c966c3d Mon Sep 17 00:00:00 2001
From: ro0tk1t <1576235794@qq.com>
Date: Wed, 27 Jan 2021 13:01:23 +0800
Subject: [PATCH 2/2] add -f notification

---
 core/options.go | 8 ++++++--
 core/start.go   | 3 ---
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/core/options.go b/core/options.go
index 08424b9..97510f2 100644
--- a/core/options.go
+++ b/core/options.go
@@ -117,8 +117,12 @@ func ParseOptions() *Options {
 	if len(options.Domain) > 0 && options.Verify {
 		gologger.Fatalf("-d 与 -verify参数不可以同时出现!")
 	}
-	if options.FileName != "" && !FileExists(options.FileName) {
-		gologger.Fatalf("文件:%s 不存在!\n", options.FileName)
+	if options.FileName != "" {
+		if !FileExists(options.FileName) {
+			gologger.Fatalf("文件:%s 不存在!\n", options.FileName)
+		} else if !options.Verify || len(options.Domain) == 0 {
+			gologger.Fatalf("-f需配合-d或-verify使用!\n", )
+		}
 	}
 	if !options.Stdin && options.Verify && options.FileName == "" {
 		gologger.Fatalf("启用了 -verify 参数但传入域名为空!")
diff --git a/core/start.go b/core/start.go
index ac45032..b7000d1 100644
--- a/core/start.go
+++ b/core/start.go
@@ -182,9 +182,6 @@ func Start(options *Options) {
 			sendog.Send(rstruct.Domain, rstruct.Dns, rstruct.SrcPort, rstruct.FlagId)
 		}
 	}()
-	if f == nil {
-		return
-	}
 	// 循环遍历发送
 	for {
 		line, _, err := r.ReadLine()