diff --git a/internal/cli/help.go b/internal/cli/help.go
index 7f1e458..9545526 100644
--- a/internal/cli/help.go
+++ b/internal/cli/help.go
@@ -1 +1,61 @@
 package cli
+
+import (
+	"fmt"
+	"math/rand"
+	"runtime"
+	"strings"
+)
+
+type fgx struct {
+	Usage   string
+	Comment string
+}
+
+func (f *fgx) String() string {
+	return fmt.Sprintf("Comment: %s\nUsage: %s\n", f.Comment, f.Usage)
+}
+
+var UsageLists = []fgx{
+	{
+		Usage:   `fofax -q 'fx="google-reverse"' -fe  -open`,
+		Comment: "搜索fx 中 google-reverse 并用浏览器打开, 查询时使用扩展功能必须加 -fe 参数",
+	},
+	{
+		Usage:   `fofax -q 'fx="google-reverse"' -fe`,
+		Comment: "搜索 fx 中 google-reverse, 查询时使用扩展功能必须加 -fe 参数",
+	},
+	{
+		Usage:   `fofax  app="Grafana" -open`,
+		Comment: `搜索 fofa 语法 app="Grafana" 并用浏览器打开`,
+	},
+	{
+		Usage:   `fofax -s google`,
+		Comment: "搜索含有 google 的 fx 语句",
+	},
+	{
+		Usage:   `fofax -ss fx-2021-1001`,
+		Comment: "列出 fx 语句的详细内容",
+	},
+	{
+		Usage:   `fofax -use`,
+		Comment: "打印 fofa 语法规则",
+	},
+	{
+		Usage:   `fofax -uc https://www.baidu.com -open`,
+		Comment: "搜索百度网站相同证书的站点, 并用浏览器打开",
+	},
+}
+
+func PrintSingleUsage() {
+	ulen := len(UsageLists)
+	sug := UsageLists[rand.Intn(ulen)].String()
+	fmt.Println("Tips:")
+	if runtime.GOOS == "windows" {
+		fmt.Println(`windows 命令行下下需要特别注意双引号转义eg: ( 'fx=\"google-reverse\"' )`)
+		sug := strings.Replace(sug, "fofax", "fofax.exe", 1)
+		fmt.Println(strings.ReplaceAll(sug, "\"", "\\\""))
+		return
+	}
+	fmt.Println(sug)
+}
diff --git a/internal/cli/help_windows.go b/internal/cli/help_windows.go
deleted file mode 100644
index 7f1e458..0000000
--- a/internal/cli/help_windows.go
+++ /dev/null
@@ -1 +0,0 @@
-package cli
diff --git a/internal/cli/parser.go b/internal/cli/parser.go
index 41117f7..404f9b7 100644
--- a/internal/cli/parser.go
+++ b/internal/cli/parser.go
@@ -7,9 +7,11 @@ import (
 	"fofax/internal/fxparser"
 	"fofax/internal/printer"
 	"fofax/internal/utils"
+	"math/rand"
 	"os"
 	"path/filepath"
 	"strings"
+	"time"
 
 	"fofax/internal/goflags"
 )
@@ -100,6 +102,7 @@ var (
 )
 
 func initOptions() {
+	rand.Seed(time.Now().UnixNano())
 	args = new(Options)
 	args.FoFaEmail = os.Getenv("FOFA_EMAIL")
 	args.FoFaKey = os.Getenv("FOFA_KEY")
@@ -287,6 +290,7 @@ func checkMutFlags() error {
 	if flagNum == 0 && args.Mode != Stdin_Mode {
 		// return errors.New("query are empty")
 		fmt.Print("fofaX is a command line fofa query tool, simple is the best!\n\n")
+		PrintSingleUsage()
 		os.Exit(0)
 	}
 	if args.Mode != Query_Mode {