diff --git a/go.mod b/go.mod
index e00173c..c05b362 100644
--- a/go.mod
+++ b/go.mod
@@ -4,23 +4,23 @@ go 1.17
 
 require (
 	github.com/chainreactors/files v0.2.0 // indirect
+	github.com/chainreactors/go-metrics v0.0.0-20220926021830-24787b7a10f8
 	github.com/chainreactors/gogo/v2 v2.8.7
 	github.com/chainreactors/logs v0.6.1
 	github.com/chainreactors/parsers v0.0.1
-	github.com/chainreactors/words v0.0.1
-	github.com/go-dedup/simhash v0.0.0-20170904020510-9ecaca7b509c
-	github.com/panjf2000/ants/v2 v2.5.0
+	github.com/chainreactors/words v0.1.1
 )
 
 require (
+	github.com/go-dedup/simhash v0.0.0-20170904020510-9ecaca7b509c
 	github.com/gosuri/uiprogress v0.0.1
 	github.com/jessevdk/go-flags v1.5.0
+	github.com/panjf2000/ants/v2 v2.5.0
 	github.com/valyala/fasthttp v1.40.0
 )
 
 require (
 	github.com/andybalholm/brotli v1.0.4 // indirect
-	github.com/chainreactors/go-metrics v0.0.0-20220926021830-24787b7a10f8 // indirect
 	github.com/go-dedup/megophone v0.0.0-20170830025436-f01be21026f5 // indirect
 	github.com/go-dedup/text v0.0.0-20170907015346-8bb1b95e3cb7 // indirect
 	github.com/gosuri/uilive v0.0.4 // indirect
diff --git a/go.sum b/go.sum
index bd328dc..ad60a2f 100644
--- a/go.sum
+++ b/go.sum
@@ -13,8 +13,8 @@ github.com/chainreactors/logs v0.6.1 h1:+wLVqxErUyWYayAx6x+m5LA6jQBiHcLdTAJtiOUM
 github.com/chainreactors/logs v0.6.1/go.mod h1:Y0EtAnoF0kiASIJUnXN0pcOt420iRpHOAnOhEphzRHA=
 github.com/chainreactors/parsers v0.0.1 h1:GrfY4sfdv9TMuYNSKq3Jak2PO4AMJcDRAHocSb8DEx0=
 github.com/chainreactors/parsers v0.0.1/go.mod h1:pJ7As+BbXlC9SHBPCE4edc9xYPh5xik+YtKGHRclKx0=
-github.com/chainreactors/words v0.0.1 h1:d0rLwuKVzwLWD1CtYeTK7u2E5tv8dmebpq6EhUtNhhg=
-github.com/chainreactors/words v0.0.1/go.mod h1:QIWX1vMT5j/Mp9zx3/wgZh3FqskhjCbo/3Ffy/Hxj9w=
+github.com/chainreactors/words v0.1.1 h1:Zw4HKFtYcIH5SfuCV0X6kj/A5sN99jrQD2ChUonLOV8=
+github.com/chainreactors/words v0.1.1/go.mod h1:jRcFgafTKqdkd1+StzPCTJG1ESrZHluXEO2eERdHBMQ=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -46,8 +46,6 @@ github.com/panjf2000/ants/v2 v2.5.0 h1:1rWGWSnxCsQBga+nQbA4/iY6VMeNoOIAM0ZWh9u3q
 github.com/panjf2000/ants/v2 v2.5.0/go.mod h1:cU93usDlihJZ5CfRGNDYsiBYvoilLvBF5Qp/BT2GNRE=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 h1:N/ElC8H3+5XpJzTSTfLsJV/mx9Q9g7kxmchpfZyxgzM=
-github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
diff --git a/internal/option.go b/internal/option.go
index 380c005..6b4853e 100644
--- a/internal/option.go
+++ b/internal/option.go
@@ -3,6 +3,7 @@ package internal
 import (
 	"github.com/chainreactors/logs"
 	"github.com/chainreactors/spray/pkg"
+	"github.com/chainreactors/words/mask"
 	"github.com/gosuri/uiprogress"
 	"io/ioutil"
 	"os"
@@ -89,7 +90,7 @@ func (opt *Option) PrepareRunner() (*Runner, error) {
 		if err != nil {
 			return nil, err
 		}
-		logs.Log.Importantf("load %d word from %s", len(r.Wordlist), f)
+		logs.Log.Importantf("load %d word from %s", len(dicts[i]), f)
 	}
 
 	if opt.Word == "" {
@@ -97,11 +98,13 @@ func (opt *Option) PrepareRunner() (*Runner, error) {
 			r.Wordlist = append(r.Wordlist, w...)
 		}
 	} else {
-
+		mask.CustomWords = dicts
+		r.Wordlist, err = mask.Run(opt.Word)
+		if err != nil {
+			return nil, err
+		}
 	}
 
-	// todo mask
-
 	// prepare header
 	for _, h := range opt.Headers {
 		i := strings.Index(h, ":")