diff --git a/app/log/command/config.pb.go b/app/log/command/config.pb.go
index d8742415..b361530c 100644
--- a/app/log/command/config.pb.go
+++ b/app/log/command/config.pb.go
@@ -1,12 +1,11 @@
 package command
 
 import (
-	"context"
 	fmt "fmt"
-	math "math"
-
 	proto "github.com/golang/protobuf/proto"
+	"context"
 	grpc "google.golang.org/grpc"
+	math "math"
 )
 
 // Reference imports to suppress errors if they are not otherwise used.
diff --git a/app/proxyman/command/command.pb.go b/app/proxyman/command/command.pb.go
index 55cc5dfa..c711df4b 100644
--- a/app/proxyman/command/command.pb.go
+++ b/app/proxyman/command/command.pb.go
@@ -1,12 +1,11 @@
 package command
 
 import (
-	"context"
 	fmt "fmt"
-	math "math"
-
 	proto "github.com/golang/protobuf/proto"
+	"context"
 	grpc "google.golang.org/grpc"
+	math "math"
 	core "v2ray.com/core"
 	protocol "v2ray.com/core/common/protocol"
 	serial "v2ray.com/core/common/serial"
diff --git a/app/stats/command/command.pb.go b/app/stats/command/command.pb.go
index 514734fd..d9aae2af 100644
--- a/app/stats/command/command.pb.go
+++ b/app/stats/command/command.pb.go
@@ -1,12 +1,11 @@
 package command
 
 import (
-	"context"
 	fmt "fmt"
-	math "math"
-
 	proto "github.com/golang/protobuf/proto"
+	"context"
 	grpc "google.golang.org/grpc"
+	math "math"
 )
 
 // Reference imports to suppress errors if they are not otherwise used.
diff --git a/proxy/socks/config.pb.go b/proxy/socks/config.pb.go
index 9b9f8b28..f3226c2c 100644
--- a/proxy/socks/config.pb.go
+++ b/proxy/socks/config.pb.go
@@ -19,10 +19,13 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
 
+// AuthType is the authentication type of Socks proxy.
 type AuthType int32
 
 const (
-	AuthType_NO_AUTH  AuthType = 0
+	// NO_AUTH is for anounymous authentication.
+	AuthType_NO_AUTH AuthType = 0
+	// PASSWORD is for username/password authentication.
 	AuthType_PASSWORD AuthType = 1
 )
 
@@ -44,6 +47,7 @@ func (AuthType) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_e86958e2cebd3303, []int{0}
 }
 
+// Account represents a Socks account.
 type Account struct {
 	Username             string   `protobuf:"bytes,1,opt,name=username,proto3" json:"username,omitempty"`
 	Password             string   `protobuf:"bytes,2,opt,name=password,proto3" json:"password,omitempty"`
@@ -91,6 +95,7 @@ func (m *Account) GetPassword() string {
 	return ""
 }
 
+// ServerConfig is the protobuf config for Socks server.
 type ServerConfig struct {
 	AuthType             AuthType          `protobuf:"varint,1,opt,name=auth_type,json=authType,proto3,enum=v2ray.core.proxy.socks.AuthType" json:"auth_type,omitempty"`
 	Accounts             map[string]string `protobuf:"bytes,2,rep,name=accounts,proto3" json:"accounts,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
@@ -171,7 +176,9 @@ func (m *ServerConfig) GetUserLevel() uint32 {
 	return 0
 }
 
+// ClientConfig is the protobuf config for Socks client.
 type ClientConfig struct {
+	// Sever is a list of Socks server addresses.
 	Server               []*protocol.ServerEndpoint `protobuf:"bytes,1,rep,name=server,proto3" json:"server,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}                   `json:"-"`
 	XXX_unrecognized     []byte                     `json:"-"`