diff --git a/common/protocol/server_spec.go b/common/protocol/server_spec.go
index 113c67850..a5b0a561a 100644
--- a/common/protocol/server_spec.go
+++ b/common/protocol/server_spec.go
@@ -62,7 +62,7 @@ func NewServerSpec(newAccount NewAccountFactory, dest v2net.Destination, valid V
 
 func NewServerSpecFromPB(newAccount NewAccountFactory, spec ServerSpecPB) *ServerSpec {
 	dest := v2net.TCPDestination(spec.Address.AsAddress(), v2net.Port(spec.Port))
-	return NewServerSpec(newAccount, dest, AlwaysValid(), spec.Users...)
+	return NewServerSpec(newAccount, dest, AlwaysValid(), spec.User...)
 }
 
 func (this *ServerSpec) Destination() v2net.Destination {
diff --git a/common/protocol/server_spec.pb.go b/common/protocol/server_spec.pb.go
index 9f4a70b1e..2f9d688bc 100644
--- a/common/protocol/server_spec.pb.go
+++ b/common/protocol/server_spec.pb.go
@@ -34,7 +34,7 @@ const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
 type ServerSpecPB struct {
 	Address *com_v2ray_core_common_net.AddressPB `protobuf:"bytes,1,opt,name=address" json:"address,omitempty"`
 	Port    uint32                               `protobuf:"varint,2,opt,name=port" json:"port,omitempty"`
-	Users   []*User                              `protobuf:"bytes,3,rep,name=users" json:"users,omitempty"`
+	User    []*User                              `protobuf:"bytes,3,rep,name=user" json:"user,omitempty"`
 }
 
 func (m *ServerSpecPB) Reset()                    { *m = ServerSpecPB{} }
@@ -49,9 +49,9 @@ func (m *ServerSpecPB) GetAddress() *com_v2ray_core_common_net.AddressPB {
 	return nil
 }
 
-func (m *ServerSpecPB) GetUsers() []*User {
+func (m *ServerSpecPB) GetUser() []*User {
 	if m != nil {
-		return m.Users
+		return m.User
 	}
 	return nil
 }
@@ -63,19 +63,18 @@ func init() {
 func init() { proto.RegisterFile("v2ray.com/core/common/protocol/server_spec.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 209 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x84, 0x8e, 0x3f, 0x4b, 0xc5, 0x30,
-	0x14, 0xc5, 0x89, 0xf5, 0x1f, 0x51, 0x97, 0x4c, 0xa5, 0x83, 0x14, 0x11, 0xac, 0xcb, 0x8d, 0xd4,
-	0xcd, 0x41, 0xb0, 0x9f, 0xa0, 0xb4, 0xb8, 0xb8, 0x48, 0x4d, 0xef, 0x66, 0x7a, 0xc3, 0x4d, 0x2c,
-	0xf8, 0x65, 0xfc, 0xac, 0xf2, 0x92, 0x97, 0xad, 0xbc, 0xb7, 0x1d, 0x0e, 0xe7, 0x77, 0xce, 0x91,
-	0x4f, 0x6b, 0xcb, 0xd3, 0x2f, 0x18, 0xb2, 0xda, 0x10, 0xa3, 0x36, 0x64, 0x2d, 0x2d, 0xda, 0x31,
-	0x05, 0x32, 0xf4, 0xad, 0x3d, 0xf2, 0x8a, 0xfc, 0xe9, 0x1d, 0x1a, 0x88, 0xa6, 0xba, 0x35, 0x64,
-	0x21, 0x53, 0x8c, 0x90, 0x08, 0xc8, 0x44, 0xf5, 0xb0, 0xdd, 0xb8, 0x60, 0xd0, 0xd3, 0x3c, 0x33,
-	0x7a, 0x9f, 0xb2, 0xd5, 0xe3, 0x91, 0xe9, 0x1f, 0x8f, 0x9c, 0xa2, 0x77, 0x7f, 0x42, 0x5e, 0x8f,
-	0xf1, 0xc9, 0xe8, 0xd0, 0xf4, 0x9d, 0x7a, 0x95, 0x17, 0xfb, 0xb2, 0x52, 0xd4, 0xa2, 0xb9, 0x6a,
-	0xef, 0x61, 0xfb, 0xd6, 0x82, 0x01, 0xde, 0x52, 0xb2, 0xef, 0x86, 0x0c, 0x29, 0x25, 0x4f, 0x1d,
-	0x71, 0x28, 0x4f, 0x6a, 0xd1, 0xdc, 0x0c, 0x51, 0xab, 0x17, 0x79, 0xb6, 0x9b, 0xf4, 0x65, 0x51,
-	0x17, 0x07, 0x1a, 0xf3, 0x3f, 0x78, 0xf7, 0xc8, 0x43, 0x42, 0x3a, 0xf9, 0x71, 0x99, 0xfd, 0xaf,
-	0xf3, 0xa8, 0x9e, 0xff, 0x03, 0x00, 0x00, 0xff, 0xff, 0xde, 0x92, 0x28, 0x40, 0x5b, 0x01, 0x00,
-	0x00,
+	// 207 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x84, 0x8e, 0x31, 0x4b, 0xc7, 0x30,
+	0x14, 0xc4, 0x89, 0x2d, 0x2a, 0x51, 0x97, 0x4c, 0xa5, 0x83, 0x14, 0x11, 0xac, 0xcb, 0x8b, 0xd4,
+	0xc5, 0x49, 0xb0, 0x9f, 0xa0, 0xb4, 0xb8, 0xb8, 0x48, 0x4d, 0xdf, 0x66, 0xfa, 0xc2, 0x4b, 0x2c,
+	0xf8, 0x5d, 0xfc, 0xb0, 0x62, 0x62, 0xb6, 0xf2, 0xff, 0x6f, 0xc7, 0x71, 0xbf, 0xbb, 0x93, 0x0f,
+	0x5b, 0xc7, 0xf3, 0x37, 0x18, 0xb2, 0xda, 0x10, 0xa3, 0x36, 0x64, 0x2d, 0xad, 0xda, 0x31, 0x05,
+	0x32, 0xf4, 0xa9, 0x3d, 0xf2, 0x86, 0xfc, 0xee, 0x1d, 0x1a, 0x88, 0xa6, 0xba, 0x36, 0x64, 0x21,
+	0x53, 0x8c, 0x90, 0x08, 0xc8, 0x44, 0x7d, 0xb7, 0xdf, 0xb8, 0x62, 0xd0, 0xf3, 0xb2, 0x30, 0x7a,
+	0x9f, 0xb2, 0xf5, 0xfd, 0x91, 0xe9, 0x2f, 0x8f, 0x9c, 0xa2, 0x37, 0x3f, 0x42, 0x5e, 0x4e, 0xf1,
+	0xc9, 0xe4, 0xd0, 0x0c, 0xbd, 0x7a, 0x96, 0x67, 0xff, 0x65, 0x95, 0x68, 0x44, 0x7b, 0xd1, 0xdd,
+	0xc2, 0xfe, 0xad, 0x15, 0x03, 0xbc, 0xa4, 0xe4, 0xd0, 0x8f, 0x19, 0x52, 0x4a, 0x96, 0x8e, 0x38,
+	0x54, 0x27, 0x8d, 0x68, 0xaf, 0xc6, 0xa8, 0xd5, 0x93, 0x2c, 0xff, 0x26, 0xab, 0xa2, 0x29, 0x0e,
+	0x14, 0xe6, 0x7b, 0xf0, 0xea, 0x91, 0xc7, 0x48, 0xf4, 0xf2, 0xed, 0x3c, 0xdb, 0x1f, 0xa7, 0x51,
+	0x3d, 0xfe, 0x06, 0x00, 0x00, 0xff, 0xff, 0xaa, 0x38, 0x55, 0xf5, 0x59, 0x01, 0x00, 0x00,
 }
diff --git a/common/protocol/server_spec.proto b/common/protocol/server_spec.proto
index 0a4f1b47c..84f9577a2 100644
--- a/common/protocol/server_spec.proto
+++ b/common/protocol/server_spec.proto
@@ -9,5 +9,5 @@ option go_package = "protocol";
 message ServerSpecPB {
   com.v2ray.core.common.net.AddressPB address = 1;
   uint32 port = 2;
-  repeated com.v2ray.core.common.protocol.User users = 3;
+  repeated com.v2ray.core.common.protocol.User user = 3;
 }
\ No newline at end of file
diff --git a/proxy/socks/config_json.go b/proxy/socks/config_json.go
index 120377a4f..9c7148c2b 100644
--- a/proxy/socks/config_json.go
+++ b/proxy/socks/config_json.go
@@ -58,7 +58,7 @@ func (this *ClientConfig) UnmarshalJSON(data []byte) error {
 				return err
 			}
 			user.Account = anyAccount
-			server.Users = append(server.Users, user)
+			server.User = append(server.User, user)
 		}
 		this.Server[idx] = server
 	}
diff --git a/proxy/vmess/outbound/config_json.go b/proxy/vmess/outbound/config_json.go
index 3b670ed90..1a3b259fa 100644
--- a/proxy/vmess/outbound/config_json.go
+++ b/proxy/vmess/outbound/config_json.go
@@ -71,7 +71,7 @@ func (this *Config) UnmarshalJSON(data []byte) error {
 				return common.ErrBadConfiguration
 			}
 			user.Account = anyAccount
-			spec.Users = append(spec.Users, user)
+			spec.User = append(spec.User, user)
 		}
 		serverSpecs[idx] = spec
 	}