diff --git a/go.mod b/go.mod
index 59399c0..6385f03 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 	github.com/chainreactors/logs v0.0.0-20231220102821-19f082ce37c1
 	github.com/chainreactors/parsers v0.0.0-20231227070753-8cda94b96b6c
 	github.com/chainreactors/utils v0.0.0-20231031063336-9477f1b23886
-	github.com/chainreactors/words v0.4.1-0.20231227144711-467c1954322c
+	github.com/chainreactors/words v0.4.1-0.20240206181137-09f7a0bc8f50
 	github.com/gosuri/uiprogress v0.0.1
 	github.com/jessevdk/go-flags v1.5.0
 	github.com/panjf2000/ants/v2 v2.7.0
diff --git a/go.sum b/go.sum
index 55e5baa..e591334 100644
--- a/go.sum
+++ b/go.sum
@@ -23,6 +23,8 @@ github.com/chainreactors/utils v0.0.0-20231031063336-9477f1b23886 h1:lS2T/uE9tg1
 github.com/chainreactors/utils v0.0.0-20231031063336-9477f1b23886/go.mod h1:JA4eiQZm+7AsfjXBcIzIdVKBEhDCb16eNtWFCGTxlvs=
 github.com/chainreactors/words v0.4.1-0.20231227144711-467c1954322c h1:gkPx9lwkJURAnveWN2PLBBeGcQ6HbMbpAJojq2SBzGc=
 github.com/chainreactors/words v0.4.1-0.20231227144711-467c1954322c/go.mod h1:DUDx7PdsMEm5PvVhzkFyppzpiUhQb8dOJaWjVc1SMVk=
+github.com/chainreactors/words v0.4.1-0.20240206181137-09f7a0bc8f50 h1:5aK4k6ztjvDENa4zuxYPzQH2UAy9VM+tvOhpRSCCXWQ=
+github.com/chainreactors/words v0.4.1-0.20240206181137-09f7a0bc8f50/go.mod h1:DUDx7PdsMEm5PvVhzkFyppzpiUhQb8dOJaWjVc1SMVk=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 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=
diff --git a/internal/option.go b/internal/option.go
index 50bc210..77aecee 100644
--- a/internal/option.go
+++ b/internal/option.go
@@ -55,6 +55,7 @@ type InputOptions struct {
 
 type FunctionOptions struct {
 	Extensions        string            `short:"e" long:"extension" description:"String, add extensions (separated by commas), e.g.: -e jsp,jspx"`
+	ForceExtension    bool              `long:"force-extension" description:"Bool, force add extensions"`
 	ExcludeExtensions string            `long:"exclude-extension" description:"String, exclude extensions (separated by commas), e.g.: --exclude-extension jsp,jspx"`
 	RemoveExtensions  string            `long:"remove-extension" description:"String, remove extensions (separated by commas), e.g.: --remove-extension jsp,jspx"`
 	Uppercase         bool              `short:"U" long:"uppercase" description:"Bool, upper wordlist, e.g.: --uppercase"`
@@ -62,6 +63,8 @@ type FunctionOptions struct {
 	Prefixes          []string          `long:"prefix" description:"Strings, add prefix, e.g.: --prefix aaa --prefix bbb"`
 	Suffixes          []string          `long:"suffix" description:"Strings, add suffix, e.g.: --suffix aaa --suffix bbb"`
 	Replaces          map[string]string `long:"replace" description:"Strings, replace string, e.g.: --replace aaa:bbb --replace ccc:ddd"`
+	Skips             []string          `long:"skip" description:"String, skip word when generate. rule, e.g.: --skip aaa"`
+	//SkipEval          string            `long:"skip-eval" description:"String, skip word when generate. rule, e.g.: --skip-eval 'current.Length < 4'"`
 }
 
 type OutputOptions struct {
@@ -298,8 +301,7 @@ func (opt *Option) PrepareRunner() (*Runner, error) {
 		opt.Word = "{@prefix}" + opt.Word
 	}
 
-	//  类似dirsearch中的
-	if opt.Extensions != "" {
+	if opt.ForceExtension && opt.Extensions != "" {
 		exts := strings.Split(opt.Extensions, ",")
 		for i, e := range exts {
 			if !strings.HasPrefix(e, ".") {
@@ -475,41 +477,81 @@ func (opt *Option) PrepareRunner() (*Runner, error) {
 	r.Tasks = tasks
 	logs.Log.Importantf("Loaded %d urls from %s", len(tasks), taskfrom)
 
+	//  类似dirsearch中的
+	if opt.Extensions != "" {
+		r.AppendFunction(func(s string) []string {
+			exts := strings.Split(opt.Extensions, ",")
+			ss := make([]string, len(exts))
+			for i, e := range exts {
+				if strings.Contains(s, "%EXT%") {
+					ss[i] = strings.Replace(s, "%EXT%", e, -1)
+				}
+			}
+			return ss
+		})
+	} else {
+		r.AppendFunction(func(s string) []string {
+			if strings.Contains(s, "%EXT%") {
+				return nil
+			}
+			return []string{s}
+		})
+	}
+
 	if opt.Uppercase {
-		r.Fns = append(r.Fns, strings.ToUpper)
+		r.AppendFunction(wrapWordsFunc(strings.ToUpper))
 	}
 	if opt.Lowercase {
-		r.Fns = append(r.Fns, strings.ToLower)
+		r.AppendFunction(wrapWordsFunc(strings.ToLower))
 	}
 
 	if opt.RemoveExtensions != "" {
 		rexts := strings.Split(opt.ExcludeExtensions, ",")
-		r.Fns = append(r.Fns, func(s string) string {
+		r.AppendFunction(func(s string) []string {
 			if ext := parseExtension(s); iutils.StringsContains(rexts, ext) {
-				return strings.TrimSuffix(s, "."+ext)
+				return []string{strings.TrimSuffix(s, "."+ext)}
 			}
-			return s
+			return []string{s}
 		})
 	}
 
 	if opt.ExcludeExtensions != "" {
 		exexts := strings.Split(opt.ExcludeExtensions, ",")
-		r.Fns = append(r.Fns, func(s string) string {
+		r.AppendFunction(func(s string) []string {
 			if ext := parseExtension(s); iutils.StringsContains(exexts, ext) {
-				return ""
+				return nil
 			}
-			return s
+			return []string{s}
 		})
 	}
 
 	if len(opt.Replaces) > 0 {
-		r.Fns = append(r.Fns, func(s string) string {
+		r.AppendFunction(func(s string) []string {
 			for k, v := range opt.Replaces {
 				s = strings.Replace(s, k, v, -1)
 			}
-			return s
+			return []string{s}
 		})
 	}
+
+	// default skip function, skip %EXT%
+	r.AppendFunction(func(s string) []string {
+		if strings.Contains(s, "%EXT%") {
+			return nil
+		}
+		return []string{s}
+	})
+	if len(opt.Skips) > 0 {
+		r.AppendFunction(func(s string) []string {
+			for _, skip := range opt.Skips {
+				if strings.Contains(s, skip) {
+					return nil
+				}
+			}
+			return []string{s}
+		})
+	}
+
 	logs.Log.Importantf("Loaded %d dictionaries and %d decorators", len(opt.Dictionaries), len(r.Fns))
 
 	if opt.Match != "" {
diff --git a/internal/runner.go b/internal/runner.go
index 5c8b5f6..d51ded0 100644
--- a/internal/runner.go
+++ b/internal/runner.go
@@ -42,7 +42,7 @@ type Runner struct {
 	Rules           *rule.Program
 	AppendRules     *rule.Program
 	Headers         map[string]string
-	Fns             []func(string) string
+	Fns             []func(string) []string
 	FilterExpr      *vm.Program
 	MatchExpr       *vm.Program
 	RecursiveExpr   *vm.Program
@@ -128,6 +128,10 @@ func (r *Runner) PrepareConfig() *pkg.Config {
 	return config
 }
 
+func (r *Runner) AppendFunction(fn func(string) []string) {
+	r.Fns = append(r.Fns, fn)
+}
+
 func (r *Runner) Prepare(ctx context.Context) error {
 	var err error
 	if r.CheckOnly {
diff --git a/internal/types.go b/internal/types.go
index 6ff46a3..f7ebcd9 100644
--- a/internal/types.go
+++ b/internal/types.go
@@ -55,7 +55,7 @@ type Origin struct {
 	sum int
 }
 
-func (o *Origin) InitWorder(fns []func(string) string) (*words.Worder, error) {
+func (o *Origin) InitWorder(fns []func(string) []string) (*words.Worder, error) {
 	var worder *words.Worder
 	wl, err := loadWordlist(o.Word, o.Dictionaries)
 	if err != nil {
diff --git a/internal/utils.go b/internal/utils.go
index 53f4925..6ff9051 100644
--- a/internal/utils.go
+++ b/internal/utils.go
@@ -295,3 +295,9 @@ func (p *bytesPatcher) Visit(node *ast.Node) {
 		})
 	}
 }
+
+func wrapWordsFunc(f func(string) string) func(string) []string {
+	return func(s string) []string {
+		return []string{f(s)}
+	}
+}
diff --git a/templates b/templates
index e73a858..53643d9 160000
--- a/templates
+++ b/templates
@@ -1 +1 @@
-Subproject commit e73a8581c69bf15245d62276663657095b05855f
+Subproject commit 53643d9011f3f932cfad07a1f5d1bc87ae88ea77