diff --git a/adapter/outbound/mieru.go b/adapter/outbound/mieru.go
index bfdf0e51..8ef9cfd7 100644
--- a/adapter/outbound/mieru.go
+++ b/adapter/outbound/mieru.go
@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"net"
 	"strconv"
-	"strings"
 	"sync"
 
 	CN "github.com/metacubex/mihomo/common/net"
@@ -31,8 +30,8 @@ type MieruOption struct {
 	BasicOption
 	Name          string `proxy:"name"`
 	Server        string `proxy:"server"`
-	Port          string `proxy:"port,omitempty"`
-	PortRange     string `proxy:"port-range,omitempty"` // deprecated
+	Port          int    `proxy:"port,omitempty"`
+	PortRange     string `proxy:"port-range,omitempty"`
 	Transport     string `proxy:"transport"`
 	UDP           bool   `proxy:"udp,omitempty"`
 	UserName      string `proxy:"username"`
@@ -124,19 +123,13 @@ func NewMieru(option MieruOption) (*Mieru, error) {
 	}
 	// Client is started lazily on the first use.
 
-	// Use the first port to construct the address.
 	var addr string
-	var portStr string
-	if option.Port != "" {
-		portStr = option.Port
+	if option.Port != 0 {
+		addr = net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
 	} else {
-		portStr = option.PortRange
+		beginPort, _, _ := beginAndEndPortFromPortRange(option.PortRange)
+		addr = net.JoinHostPort(option.Server, strconv.Itoa(beginPort))
 	}
-	firstPort, err := getFirstPort(portStr)
-	if err != nil {
-		return nil, fmt.Errorf("failed to get first port from port string %q: %w", portStr, err)
-	}
-	addr = net.JoinHostPort(option.Server, strconv.Itoa(firstPort))
 	outbound := &Mieru{
 		Base: &Base{
 			name:   option.Name,
@@ -190,62 +183,54 @@ func buildMieruClientConfig(option MieruOption) (*mieruclient.ClientConfig, erro
 	}
 
 	transportProtocol := mierupb.TransportProtocol_TCP.Enum()
-
-	portBindings := make([]*mierupb.PortBinding, 0)
-	if option.Port != "" {
-		parts := strings.Split(option.Port, ",")
-		for _, part := range parts {
-			part = strings.TrimSpace(part)
-			if strings.Contains(part, "-") {
-				_, _, err := beginAndEndPortFromPortRange(part)
-				if err == nil {
-					portBindings = append(portBindings, &mierupb.PortBinding{
-						PortRange: proto.String(part),
-						Protocol:  transportProtocol,
-					})
-				} else {
-					return nil, err
-				}
-			} else {
-				p, err := strconv.Atoi(part)
-				if err != nil {
-					return nil, fmt.Errorf("invalid port value: %s", part)
-				}
-				portBindings = append(portBindings, &mierupb.PortBinding{
-					Port:     proto.Int32(int32(p)),
-					Protocol: transportProtocol,
-				})
-			}
-		}
-	}
-	if option.PortRange != "" {
-		parts := strings.Split(option.PortRange, ",")
-		for _, part := range parts {
-			part = strings.TrimSpace(part)
-			if _, _, err := beginAndEndPortFromPortRange(part); err == nil {
-				portBindings = append(portBindings, &mierupb.PortBinding{
-					PortRange: proto.String(part),
-					Protocol:  transportProtocol,
-				})
-			}
-		}
-	}
-
 	var server *mierupb.ServerEndpoint
 	if net.ParseIP(option.Server) != nil {
 		// server is an IP address
-		server = &mierupb.ServerEndpoint{
-			IpAddress:    proto.String(option.Server),
-			PortBindings: portBindings,
+		if option.PortRange != "" {
+			server = &mierupb.ServerEndpoint{
+				IpAddress: proto.String(option.Server),
+				PortBindings: []*mierupb.PortBinding{
+					{
+						PortRange: proto.String(option.PortRange),
+						Protocol:  transportProtocol,
+					},
+				},
+			}
+		} else {
+			server = &mierupb.ServerEndpoint{
+				IpAddress: proto.String(option.Server),
+				PortBindings: []*mierupb.PortBinding{
+					{
+						Port:     proto.Int32(int32(option.Port)),
+						Protocol: transportProtocol,
+					},
+				},
+			}
 		}
 	} else {
 		// server is a domain name
-		server = &mierupb.ServerEndpoint{
-			DomainName:   proto.String(option.Server),
-			PortBindings: portBindings,
+		if option.PortRange != "" {
+			server = &mierupb.ServerEndpoint{
+				DomainName: proto.String(option.Server),
+				PortBindings: []*mierupb.PortBinding{
+					{
+						PortRange: proto.String(option.PortRange),
+						Protocol:  transportProtocol,
+					},
+				},
+			}
+		} else {
+			server = &mierupb.ServerEndpoint{
+				DomainName: proto.String(option.Server),
+				PortBindings: []*mierupb.PortBinding{
+					{
+						Port:     proto.Int32(int32(option.Port)),
+						Protocol: transportProtocol,
+					},
+				},
+			}
 		}
 	}
-
 	config := &mieruclient.ClientConfig{
 		Profile: &mierupb.ClientProfile{
 			ProfileName: proto.String(option.Name),
@@ -274,9 +259,31 @@ func validateMieruOption(option MieruOption) error {
 	if option.Server == "" {
 		return fmt.Errorf("server is empty")
 	}
-	if option.Port == "" && option.PortRange == "" {
-		return fmt.Errorf("port must be set")
+	if option.Port == 0 && option.PortRange == "" {
+		return fmt.Errorf("either port or port-range must be set")
 	}
+	if option.Port != 0 && option.PortRange != "" {
+		return fmt.Errorf("port and port-range cannot be set at the same time")
+	}
+	if option.Port != 0 && (option.Port < 1 || option.Port > 65535) {
+		return fmt.Errorf("port must be between 1 and 65535")
+	}
+	if option.PortRange != "" {
+		begin, end, err := beginAndEndPortFromPortRange(option.PortRange)
+		if err != nil {
+			return fmt.Errorf("invalid port-range format")
+		}
+		if begin < 1 || begin > 65535 {
+			return fmt.Errorf("begin port must be between 1 and 65535")
+		}
+		if end < 1 || end > 65535 {
+			return fmt.Errorf("end port must be between 1 and 65535")
+		}
+		if begin > end {
+			return fmt.Errorf("begin port must be less than or equal to end port")
+		}
+	}
+
 	if option.Transport != "TCP" {
 		return fmt.Errorf("transport must be TCP")
 	}
@@ -299,36 +306,8 @@ func validateMieruOption(option MieruOption) error {
 	return nil
 }
 
-func getFirstPort(portStr string) (int, error) {
-	if portStr == "" {
-		return 0, fmt.Errorf("port string is empty")
-	}
-	parts := strings.Split(portStr, ",")
-	firstPart := parts[0]
-
-	if strings.Contains(firstPart, "-") {
-		begin, _, err := beginAndEndPortFromPortRange(firstPart)
-		if err != nil {
-			return 0, err
-		}
-		return begin, nil
-	}
-
-	port, err := strconv.Atoi(firstPart)
-	if err != nil {
-		return 0, fmt.Errorf("invalid port format: %s", firstPart)
-	}
-	return port, nil
-}
-
 func beginAndEndPortFromPortRange(portRange string) (int, int, error) {
 	var begin, end int
 	_, err := fmt.Sscanf(portRange, "%d-%d", &begin, &end)
-	if err != nil {
-		return 0, 0, fmt.Errorf("invalid port range format: %w", err)
-	}
-	if begin > end {
-		return 0, 0, fmt.Errorf("begin port is greater than end port: %s", portRange)
-	}
 	return begin, end, err
 }
diff --git a/adapter/outbound/mieru_test.go b/adapter/outbound/mieru_test.go
index 2b7976e4..086b7910 100644
--- a/adapter/outbound/mieru_test.go
+++ b/adapter/outbound/mieru_test.go
@@ -1,51 +1,22 @@
 package outbound
 
-import (
-	"reflect"
-	"testing"
-
-	mieruclient "github.com/enfein/mieru/v3/apis/client"
-	mierupb "github.com/enfein/mieru/v3/pkg/appctl/appctlpb"
-	"google.golang.org/protobuf/proto"
-)
+import "testing"
 
 func TestNewMieru(t *testing.T) {
-	transportProtocol := mierupb.TransportProtocol_TCP.Enum()
 	testCases := []struct {
 		option       MieruOption
 		wantBaseAddr string
-		wantConfig   *mieruclient.ClientConfig
 	}{
 		{
 			option: MieruOption{
 				Name:      "test",
 				Server:    "1.2.3.4",
-				Port:      "10000",
+				Port:      10000,
 				Transport: "TCP",
 				UserName:  "test",
 				Password:  "test",
 			},
 			wantBaseAddr: "1.2.3.4:10000",
-			wantConfig: &mieruclient.ClientConfig{
-				Profile: &mierupb.ClientProfile{
-					ProfileName: proto.String("test"),
-					User: &mierupb.User{
-						Name:     proto.String("test"),
-						Password: proto.String("test"),
-					},
-					Servers: []*mierupb.ServerEndpoint{
-						{
-							IpAddress: proto.String("1.2.3.4"),
-							PortBindings: []*mierupb.PortBinding{
-								{
-									Port:     proto.Int32(10000),
-									Protocol: transportProtocol,
-								},
-							},
-						},
-					},
-				},
-			},
 		},
 		{
 			option: MieruOption{
@@ -57,212 +28,28 @@ func TestNewMieru(t *testing.T) {
 				Password:  "test",
 			},
 			wantBaseAddr: "[2001:db8::1]:10001",
-			wantConfig: &mieruclient.ClientConfig{
-				Profile: &mierupb.ClientProfile{
-					ProfileName: proto.String("test"),
-					User: &mierupb.User{
-						Name:     proto.String("test"),
-						Password: proto.String("test"),
-					},
-					Servers: []*mierupb.ServerEndpoint{
-						{
-							IpAddress: proto.String("2001:db8::1"),
-							PortBindings: []*mierupb.PortBinding{
-								{
-									PortRange: proto.String("10001-10002"),
-									Protocol:  transportProtocol,
-								},
-							},
-						},
-					},
-				},
-			},
 		},
 		{
 			option: MieruOption{
 				Name:      "test",
 				Server:    "example.com",
-				Port:      "10003",
+				Port:      10003,
 				Transport: "TCP",
 				UserName:  "test",
 				Password:  "test",
 			},
 			wantBaseAddr: "example.com:10003",
-			wantConfig: &mieruclient.ClientConfig{
-				Profile: &mierupb.ClientProfile{
-					ProfileName: proto.String("test"),
-					User: &mierupb.User{
-						Name:     proto.String("test"),
-						Password: proto.String("test"),
-					},
-					Servers: []*mierupb.ServerEndpoint{
-						{
-							DomainName: proto.String("example.com"),
-							PortBindings: []*mierupb.PortBinding{
-								{
-									Port:     proto.Int32(10003),
-									Protocol: transportProtocol,
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		{
-			option: MieruOption{
-				Name:      "test",
-				Server:    "example.com",
-				Port:      "10004,10005",
-				Transport: "TCP",
-				UserName:  "test",
-				Password:  "test",
-			},
-			wantBaseAddr: "example.com:10004",
-			wantConfig: &mieruclient.ClientConfig{
-				Profile: &mierupb.ClientProfile{
-					ProfileName: proto.String("test"),
-					User: &mierupb.User{
-						Name:     proto.String("test"),
-						Password: proto.String("test"),
-					},
-					Servers: []*mierupb.ServerEndpoint{
-						{
-							DomainName: proto.String("example.com"),
-							PortBindings: []*mierupb.PortBinding{
-								{
-									Port:     proto.Int32(10004),
-									Protocol: transportProtocol,
-								},
-								{
-									Port:     proto.Int32(10005),
-									Protocol: transportProtocol,
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		{
-			option: MieruOption{
-				Name:      "test",
-				Server:    "example.com",
-				Port:      "10006-10007,11000",
-				Transport: "TCP",
-				UserName:  "test",
-				Password:  "test",
-			},
-			wantBaseAddr: "example.com:10006",
-			wantConfig: &mieruclient.ClientConfig{
-				Profile: &mierupb.ClientProfile{
-					ProfileName: proto.String("test"),
-					User: &mierupb.User{
-						Name:     proto.String("test"),
-						Password: proto.String("test"),
-					},
-					Servers: []*mierupb.ServerEndpoint{
-						{
-							DomainName: proto.String("example.com"),
-							PortBindings: []*mierupb.PortBinding{
-								{
-									PortRange: proto.String("10006-10007"),
-									Protocol:  transportProtocol,
-								},
-								{
-									Port:     proto.Int32(11000),
-									Protocol: transportProtocol,
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		{
-			option: MieruOption{
-				Name:      "test",
-				Server:    "example.com",
-				Port:      "10008",
-				PortRange: "10009-10010",
-				Transport: "TCP",
-				UserName:  "test",
-				Password:  "test",
-			},
-			wantBaseAddr: "example.com:10008",
-			wantConfig: &mieruclient.ClientConfig{
-				Profile: &mierupb.ClientProfile{
-					ProfileName: proto.String("test"),
-					User: &mierupb.User{
-						Name:     proto.String("test"),
-						Password: proto.String("test"),
-					},
-					Servers: []*mierupb.ServerEndpoint{
-						{
-							DomainName: proto.String("example.com"),
-							PortBindings: []*mierupb.PortBinding{
-								{
-									Port:     proto.Int32(10008),
-									Protocol: transportProtocol,
-								},
-								{
-									PortRange: proto.String("10009-10010"),
-									Protocol:  transportProtocol,
-								},
-							},
-						},
-					},
-				},
-			},
 		},
 	}
 
 	for _, testCase := range testCases {
 		mieru, err := NewMieru(testCase.option)
 		if err != nil {
-			t.Fatal(err)
+			t.Error(err)
 		}
-		config, err := mieru.client.Load()
-		if err != nil {
-			t.Fatal(err)
-		}
-		config.Dialer = nil
 		if mieru.addr != testCase.wantBaseAddr {
 			t.Errorf("got addr %q, want %q", mieru.addr, testCase.wantBaseAddr)
 		}
-		if !reflect.DeepEqual(config, testCase.wantConfig) {
-			t.Errorf("got config %+v, want %+v", config, testCase.wantConfig)
-		}
-	}
-}
-
-func TestNewMieruError(t *testing.T) {
-	testCases := []MieruOption{
-		{
-			Name:      "test",
-			Server:    "example.com",
-			Port:      "invalid",
-			PortRange: "invalid",
-			Transport: "TCP",
-			UserName:  "test",
-			Password:  "test",
-		},
-		{
-			Name:      "test",
-			Server:    "example.com",
-			Port:      "",
-			PortRange: "",
-			Transport: "TCP",
-			UserName:  "test",
-			Password:  "test",
-		},
-	}
-
-	for _, option := range testCases {
-		_, err := NewMieru(option)
-		if err == nil {
-			t.Errorf("expected error for option %+v, but got nil", option)
-		}
 	}
 }
 
@@ -276,7 +63,6 @@ func TestBeginAndEndPortFromPortRange(t *testing.T) {
 		{"1-10", 1, 10, false},
 		{"1000-2000", 1000, 2000, false},
 		{"65535-65535", 65535, 65535, false},
-		{"2000-1000", 0, 0, true},
 		{"1", 0, 0, true},
 		{"1-", 0, 0, true},
 		{"-10", 0, 0, true},
diff --git a/docs/config.yaml b/docs/config.yaml
index 090e2736..0650bc53 100644
--- a/docs/config.yaml
+++ b/docs/config.yaml
@@ -1024,8 +1024,8 @@ proxies: # socks5
   - name: mieru
     type: mieru
     server: 1.2.3.4
-    port: 2999 # 支持使用 ports 格式，例如 2999,3999 或 2999-3010,3950,3995-3999
-    # port-range: 2090-2099 # 已废弃，请使用 port
+    port: 2999
+    # port-range: 2090-2099 #（不可同时填写 port 和 port-range）
     transport: TCP # 只支持 TCP
     udp: true # 支持 UDP over TCP
     username: user