diff --git a/internal/integration/regex_config_test.go b/internal/integration/regex_config_test.go
index d15f0a5..1018c9f 100644
--- a/internal/integration/regex_config_test.go
+++ b/internal/integration/regex_config_test.go
@@ -47,7 +47,7 @@ func TestPrefixPriorityNotRegex(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	result := engine.Match("/images/logo.png")
+	result := engine.Match([]byte("/images/logo.png"))
 	if result == nil {
 		t.Error("^~ should match prefix")
 	}
diff --git a/internal/matcher/integration_test.go b/internal/matcher/integration_test.go
index c2b72a0..ff729f3 100644
--- a/internal/matcher/integration_test.go
+++ b/internal/matcher/integration_test.go
@@ -20,13 +20,13 @@ func TestLocationEngine_NginxPriority(t *testing.T) {
 	engine.MarkInitialized()
 
 	// 测试精确匹配优先
-	result := engine.Match("/api")
+	result := engine.Match([]byte("/api"))
 	if result.LocationType != "exact" {
 		t.Errorf("expected exact, got %s", result.LocationType)
 	}
 
 	// 测试 ^~ 阻止正则
-	result = engine.Match("/api/test.php")
+	result = engine.Match([]byte("/api/test.php"))
 	if result.LocationType != "prefix_priority" {
 		t.Errorf("^~ should block regex, got %s", result.LocationType)
 	}
@@ -42,7 +42,7 @@ func TestLocationEngine_RegexMatch(t *testing.T) {
 	engine.MarkInitialized()
 
 	// 正则匹配（^~ 不匹配 /index.php）
-	result := engine.Match("/index.php")
+	result := engine.Match([]byte("/index.php"))
 	if result.LocationType != "regex" {
 		t.Errorf("expected regex for /index.php, got %s", result.LocationType)
 	}
@@ -55,7 +55,7 @@ func TestLocationEngine_PrefixFallback(t *testing.T) {
 	engine.AddPrefix("/", handler, false)
 	engine.MarkInitialized()
 
-	result := engine.Match("/any/path")
+	result := engine.Match([]byte("/any/path"))
 	if result == nil || result.LocationType != "prefix" {
 		t.Errorf("expected prefix match, got %v", result)
 	}
@@ -65,7 +65,7 @@ func TestLocationEngine_NoMatch(t *testing.T) {
 	engine := NewLocationEngine()
 	engine.MarkInitialized()
 
-	result := engine.Match("/nonexistent")
+	result := engine.Match([]byte("/nonexistent"))
 	if result != nil {
 		t.Errorf("expected nil for no match, got %+v", result)
 	}
@@ -78,7 +78,7 @@ func TestLocationEngine_RegexCaptures(t *testing.T) {
 	engine.AddRegex(`^/user/(?P<id>[0-9]+)$`, handler, false, false)
 	engine.MarkInitialized()
 
-	result := engine.Match("/user/42")
+	result := engine.Match([]byte("/user/42"))
 	if result.LocationType != "regex" {
 		t.Errorf("expected regex, got %s", result.LocationType)
 	}
diff --git a/internal/matcher/location_test.go b/internal/matcher/location_test.go
index 948ec2b..8512cb6 100644
--- a/internal/matcher/location_test.go
+++ b/internal/matcher/location_test.go
@@ -37,7 +37,7 @@ func TestLocationEngine_AddExact(t *testing.T) {
 		t.Fatalf("unexpected error: %v", err)
 	}
 
-	result := engine.Match("/api")
+	result := engine.Match([]byte("/api"))
 	if result == nil {
 		t.Fatal("expected match")
 	}
@@ -80,7 +80,7 @@ func TestLocationEngine_AddPrefixPriority(t *testing.T) {
 		t.Fatalf("unexpected error: %v", err)
 	}
 
-	result := engine.Match("/static/css/style.css")
+	result := engine.Match([]byte("/static/css/style.css"))
 	if result == nil {
 		t.Fatal("expected match")
 	}
@@ -112,7 +112,7 @@ func TestLocationEngine_AddPrefix(t *testing.T) {
 		t.Fatalf("unexpected error: %v", err)
 	}
 
-	result := engine.Match("/api/users")
+	result := engine.Match([]byte("/api/users"))
 	if result == nil {
 		t.Fatal("expected match")
 	}
@@ -141,7 +141,7 @@ func TestLocationEngine_AddRegex(t *testing.T) {
 		t.Fatalf("unexpected error: %v", err)
 	}
 
-	result := engine.Match("/index.php")
+	result := engine.Match([]byte("/index.php"))
 	if result == nil {
 		t.Fatal("expected match")
 	}
@@ -159,7 +159,7 @@ func TestLocationEngine_AddRegex_CaseInsensitive(t *testing.T) {
 		t.Fatalf("unexpected error: %v", err)
 	}
 
-	result := engine.Match("/index.PHP")
+	result := engine.Match([]byte("/index.PHP"))
 	if result == nil {
 		t.Fatal("expected match for case insensitive")
 	}
@@ -187,7 +187,7 @@ func TestLocationEngine_AddRegex_Captures(t *testing.T) {
 		t.Fatalf("unexpected error: %v", err)
 	}
 
-	result := engine.Match("/user/123")
+	result := engine.Match([]byte("/user/123"))
 	if result == nil {
 		t.Fatal("expected match")
 	}
@@ -213,7 +213,7 @@ func TestLocationEngine_Match_PriorityOrder(t *testing.T) {
 	engine.AddPrefix("/api/path", hPrefix, false)
 
 	// Exact should win (priority 1)
-	result := engine.Match("/api/path")
+	result := engine.Match([]byte("/api/path"))
 	if result == nil {
 		t.Fatal("expected match")
 	}
@@ -232,7 +232,7 @@ func TestLocationEngine_Match_PrefixPriorityBeatsRegex(t *testing.T) {
 	engine.AddRegex(`\.css$`, hRegex, false, false)
 
 	// ^~ prefix priority should beat regex
-	result := engine.Match("/static/style.css")
+	result := engine.Match([]byte("/static/style.css"))
 	if result == nil {
 		t.Fatal("expected match")
 	}
@@ -250,7 +250,7 @@ func TestLocationEngine_Match_RegexBeatsPrefix(t *testing.T) {
 	engine.AddPrefix("/", hPrefix, false)
 
 	// Regex should win over plain prefix
-	result := engine.Match("/index.php")
+	result := engine.Match([]byte("/index.php"))
 	if result == nil {
 		t.Fatal("expected match")
 	}
@@ -265,7 +265,7 @@ func TestLocationEngine_Match_FallbackToPrefix(t *testing.T) {
 
 	engine.AddPrefix("/api", hPrefix, false)
 
-	result := engine.Match("/api/users")
+	result := engine.Match([]byte("/api/users"))
 	if result == nil {
 		t.Fatal("expected prefix match")
 	}
@@ -280,7 +280,7 @@ func TestLocationEngine_Match_NoMatch(t *testing.T) {
 
 	engine.AddPrefix("/api", hPrefix, false)
 
-	result := engine.Match("/other")
+	result := engine.Match([]byte("/other"))
 	if result != nil {
 		t.Errorf("expected no match, got %+v", result)
 	}
@@ -292,7 +292,7 @@ func TestLocationEngine_Match_EmptyString(t *testing.T) {
 
 	engine.AddPrefix("/api", hPrefix, false)
 
-	result := engine.Match("")
+	result := engine.Match([]byte(""))
 	if result != nil {
 		t.Errorf("expected no match for empty string, got %+v", result)
 	}
@@ -304,7 +304,7 @@ func TestLocationEngine_Match_UnicodePath(t *testing.T) {
 
 	engine.AddPrefixPriority("/文档", handler, false)
 
-	result := engine.Match("/文档/报告")
+	result := engine.Match([]byte("/文档/报告"))
 	if result == nil {
 		t.Fatal("expected unicode prefix match")
 	}
diff --git a/internal/matcher/radix_bench_test.go b/internal/matcher/radix_bench_test.go
index 7e608c5..c3772dd 100644
--- a/internal/matcher/radix_bench_test.go
+++ b/internal/matcher/radix_bench_test.go
@@ -18,7 +18,7 @@ func BenchmarkRadixTreeFindLongestPrefix(b *testing.B) {
 	b.ResetTimer()
 	b.ReportAllocs()
 	for b.Loop() {
-		result := tree.FindLongestPrefix("/api/v1/users")
+		result := tree.FindLongestPrefix([]byte("/api/v1/users"))
 		ReleaseMatchResult(result)
 	}
 }
@@ -36,7 +36,7 @@ func BenchmarkRadixTreeFindLongestPrefixParallel(b *testing.B) {
 	b.ReportAllocs()
 	b.RunParallel(func(pb *testing.PB) {
 		for pb.Next() {
-			result := tree.FindLongestPrefix("/api/v1/users")
+			result := tree.FindLongestPrefix([]byte("/api/v1/users"))
 			ReleaseMatchResult(result)
 		}
 	})
diff --git a/internal/matcher/radix_test.go b/internal/matcher/radix_test.go
index 5d14db8..88ed1ec 100644
--- a/internal/matcher/radix_test.go
+++ b/internal/matcher/radix_test.go
@@ -16,7 +16,7 @@ func TestRadixTree_Insert_EmptyNode(t *testing.T) {
 		t.Fatalf("insert failed: %v", err)
 	}
 
-	result := tree.FindLongestPrefix("/api")
+	result := tree.FindLongestPrefix([]byte("/api"))
 	if result == nil {
 		t.Error("should find inserted path")
 	}
@@ -34,7 +34,7 @@ func TestRadixTree_Insert_CommonPrefix(t *testing.T) {
 	tree.Insert("/api", handler1, 1, "prefix", false)
 	tree.Insert("/api/users", handler2, 2, "prefix", false)
 
-	result := tree.FindLongestPrefix("/api/users")
+	result := tree.FindLongestPrefix([]byte("/api/users"))
 	if result == nil {
 		t.Fatal("expected match")
 	}
@@ -57,7 +57,7 @@ func TestRadixTree_Insert_NodeSplit(t *testing.T) {
 	tree.Insert("/abx", handler2, 2, "prefix", false)
 
 	// 应该正确分割 /ab 公共前缀
-	result := tree.FindLongestPrefix("/abc")
+	result := tree.FindLongestPrefix([]byte("/abc"))
 	if result == nil {
 		t.Error("should find /abc after split")
 	}
@@ -73,7 +73,7 @@ func TestRadixTree_FindLongestPrefix(t *testing.T) {
 
 	// "/" has priority 1 (wins), "/api" has 2, "/api/v1" has 3
 	// Lower number = higher priority
-	result := tree.FindLongestPrefix("/api/v1/users")
+	result := tree.FindLongestPrefix([]byte("/api/v1/users"))
 	if result == nil {
 		t.Fatal("expected match")
 	}
@@ -112,7 +112,7 @@ func TestRadixTree_FindLongestPrefix_NoMatch(t *testing.T) {
 
 	tree.Insert("/api", handler, 1, "prefix", false)
 
-	result := tree.FindLongestPrefix("/other")
+	result := tree.FindLongestPrefix([]byte("/other"))
 	if result != nil {
 		t.Errorf("expected nil for no match, got %+v", result)
 	}
@@ -127,7 +127,7 @@ func TestRadixTree_PriorityComparison(t *testing.T) {
 	tree.Insert("/api/users", h2, 2, "prefix", false)
 
 	// Lower priority number wins
-	result := tree.FindLongestPrefix("/api/users")
+	result := tree.FindLongestPrefix([]byte("/api/users"))
 	if result == nil {
 		t.Fatal("expected match")
 	}
@@ -151,7 +151,7 @@ func TestRadixTree_Insert_ExactMatch(t *testing.T) {
 	}
 
 	// 验证原 handler 未被覆盖
-	result := tree.FindLongestPrefix("/api")
+	result := tree.FindLongestPrefix([]byte("/api"))
 	if result == nil || result.Priority != 1 {
 		t.Errorf("original handler should not be overwritten, got priority %d", result.Priority)
 	}