diff --git a/internal/option.go b/internal/option.go
index af7e919..a85d25d 100644
--- a/internal/option.go
+++ b/internal/option.go
@@ -47,10 +47,11 @@ type OutputOptions struct {
 }
 
 type RequestOptions struct {
-	Headers []string `long:"header"`
-	Method  string   `long:"method"`
-	Cookie  string   `long:"cookie"`
-	Force   bool     `long:"force"`
+	Headers         []string `long:"header"`
+	Method          string   `long:"method"`
+	Cookie          string   `long:"cookie"`
+	Force           bool     `long:"force"`
+	SimhashDistance int      `long:"distance"`
 }
 
 type MiscOptions struct {
@@ -99,6 +100,10 @@ func (opt *Option) PrepareRunner() (*Runner, error) {
 		logs.Log.Writer = r.Progress.Bypass()
 	}
 
+	if opt.SimhashDistance != 0 {
+		pkg.Distance = uint8(opt.SimhashDistance)
+	}
+
 	if opt.Force {
 		breakThreshold = 999999
 	}
diff --git a/pkg/baseline.go b/pkg/baseline.go
index 7c674c1..598df69 100644
--- a/pkg/baseline.go
+++ b/pkg/baseline.go
@@ -116,9 +116,11 @@ func (bl *Baseline) Compare(other *Baseline) int {
 	return -1
 }
 
+var Distance uint8
+
 func (bl *Baseline) FuzzyCompare(other *Baseline) bool {
 	// todo 模糊匹配
-	if parsers.SimhashCompare(other.BodySimhash, bl.BodySimhash) < 3 {
+	if parsers.SimhashCompare(other.BodySimhash, bl.BodySimhash) < Distance {
 		return true
 	}
 	return false