diff --git a/V2rayNG/app/src/main/assets/v2ray_config.json b/V2rayNG/app/src/main/assets/v2ray_config.json
index 2783ec74..5e009dc8 100644
--- a/V2rayNG/app/src/main/assets/v2ray_config.json
+++ b/V2rayNG/app/src/main/assets/v2ray_config.json
@@ -54,7 +54,6 @@
           "users": [
             {
               "id": "a3482e88-686a-4a58-8126-99c9df64b7bf",
-              "alterId": 64,
               "security": "auto",
               "level": 8
             }
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/dto/V2rayConfig.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/dto/V2rayConfig.kt
index 734cf876..e3bc1e22 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/dto/V2rayConfig.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/dto/V2rayConfig.kt
@@ -89,7 +89,6 @@ data class V2rayConfig(
                                  var users: List<UsersBean>) {
 
                 data class UsersBean(var id: String = "",
-                                     var alterId: Int? = null,
                                      var security: String = DEFAULT_SECURITY,
                                      var level: Int = DEFAULT_LEVEL,
                                      var encryption: String = "",
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/dto/VmessQRCode.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/dto/VmessQRCode.kt
index d8363ca5..a114336c 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/dto/VmessQRCode.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/dto/VmessQRCode.kt
@@ -5,7 +5,7 @@ data class VmessQRCode(var v: String = "",
                        var add: String = "",
                        var port: String = "",
                        var id: String = "",
-                       var aid: String = "",
+                       var aid: String = "0",
                        var net: String = "",
                        var type: String = "",
                        var host: String = "",
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt
index f8a279dc..17fd859a 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt
@@ -128,7 +128,6 @@ class ServerActivity : BaseActivity() {
         et_address.text = Utils.getEditable(outbound.getServerAddress().orEmpty())
         et_port.text = Utils.getEditable(outbound.getServerPort()?.toString() ?: DEFAULT_PORT.toString())
         et_id.text = Utils.getEditable(outbound.getPassword().orEmpty())
-        et_alterId?.text = Utils.getEditable(outbound.settings?.vnext?.get(0)?.users?.get(0)?.alterId.toString())
         if (config.configType == EConfigType.SOCKS) {
             et_security.text = Utils.getEditable(outbound.settings?.servers?.get(0)?.users?.get(0)?.user.orEmpty())
         } else if (config.configType == EConfigType.VLESS) {
@@ -170,7 +169,6 @@ class ServerActivity : BaseActivity() {
         et_address.text = null
         et_port.text = Utils.getEditable(DEFAULT_PORT.toString())
         et_id.text = null
-        et_alterId?.text = Utils.getEditable("0")
         sp_security?.setSelection(0)
         sp_network?.setSelection(0)
 
@@ -207,13 +205,6 @@ class ServerActivity : BaseActivity() {
             toast(R.string.server_lab_id)
             return false
         }
-        et_alterId?.let {
-            val alterId = Utils.parseInt(et_alterId.text.toString())
-            if (alterId < 0) {
-                toast(R.string.server_lab_alterid)
-                return false
-            }
-        }
 
         config.remarks = et_remarks.text.toString().trim()
         config.outboundBean?.settings?.vnext?.get(0)?.let { vnext ->
@@ -237,7 +228,6 @@ class ServerActivity : BaseActivity() {
         vnext.port = port
         vnext.users[0].id = et_id.text.toString().trim()
         if (config.configType == EConfigType.VMESS) {
-            vnext.users[0].alterId = Utils.parseInt(et_alterId.text.toString())
             vnext.users[0].security = securitys[sp_security.selectedItemPosition]
         } else if (config.configType == EConfigType.VLESS) {
             vnext.users[0].encryption = et_security.text.toString().trim()
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/AngConfigManager.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/AngConfigManager.kt
index 21c95a7e..74844498 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/AngConfigManager.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/AngConfigManager.kt
@@ -102,7 +102,6 @@ object AngConfigManager {
                     vnext.port = vmessBean.port
                     vnext.users[0].id = vmessBean.id
                     if (config.configType == EConfigType.VMESS) {
-                        vnext.users[0].alterId = vmessBean.alterId
                         vnext.users[0].security = vmessBean.security
                     } else if (config.configType == EConfigType.VLESS) {
                         vnext.users[0].encryption = vmessBean.security
@@ -195,7 +194,6 @@ object AngConfigManager {
                         if (TextUtils.isEmpty(vmessQRCode.add)
                                 || TextUtils.isEmpty(vmessQRCode.port)
                                 || TextUtils.isEmpty(vmessQRCode.id)
-                                || TextUtils.isEmpty(vmessQRCode.aid)
                                 || TextUtils.isEmpty(vmessQRCode.net)
                         ) {
                             return R.string.toast_incorrect_protocol
@@ -207,7 +205,6 @@ object AngConfigManager {
                             vnext.port = Utils.parseInt(vmessQRCode.port)
                             vnext.users[0].id = vmessQRCode.id
                             vnext.users[0].encryption = DEFAULT_SECURITY
-                            vnext.users[0].alterId = Utils.parseInt(vmessQRCode.aid)
                         }
                         val sni = streamSetting.populateTransportSettings(vmessQRCode.net, vmessQRCode.type, vmessQRCode.host,
                                 vmessQRCode.path, vmessQRCode.path, vmessQRCode.host, vmessQRCode.path, vmessQRCode.type, vmessQRCode.path)
@@ -336,8 +333,8 @@ object AngConfigManager {
         return runCatching {
             val uri = URI(uriString)
             check(uri.scheme == "vmess")
-            val (_, protocol, tlsStr, uuid, alterId) =
-                    Regex("(tcp|http|ws|kcp|quic|grpc)(\\+tls)?:([0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12})-([0-9]+)")
+            val (_, protocol, tlsStr, uuid) =
+                    Regex("(tcp|http|ws|kcp|quic|grpc)(\\+tls)?:([0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12})")
                             .matchEntire(uri.userInfo)?.groupValues
                             ?: error("parse user info fail.")
             val tls = tlsStr.isNotBlank()
@@ -351,7 +348,6 @@ object AngConfigManager {
                 vnext.port = uri.port
                 vnext.users[0].id = uuid
                 vnext.users[0].encryption = DEFAULT_SECURITY
-                vnext.users[0].alterId = alterId.toInt()
             }
 
             val sni = streamSetting.populateTransportSettings(protocol, queryParam["type"],
@@ -388,7 +384,6 @@ object AngConfigManager {
             vnext.port = Utils.parseInt(arr22[1])
             vnext.users[0].id = arr21[1]
             vnext.users[0].encryption = arr21[0]
-            vnext.users[0].alterId = 0
         }
         return true
     }
@@ -409,7 +404,6 @@ object AngConfigManager {
                     vmessQRCode.add = outbound.getServerAddress().orEmpty()
                     vmessQRCode.port = outbound.getServerPort().toString()
                     vmessQRCode.id = outbound.getPassword().orEmpty()
-                    vmessQRCode.aid = outbound.settings?.vnext?.get(0)?.users?.get(0)?.alterId.toString()
                     vmessQRCode.net = streamSetting.network
                     vmessQRCode.tls = streamSetting.security
                     vmessQRCode.sni = streamSetting.tlsSettings?.serverName.orEmpty()
diff --git a/V2rayNG/app/src/main/res/layout/activity_server_vmess.xml b/V2rayNG/app/src/main/res/layout/activity_server_vmess.xml
index 69fb9b58..ff11d9f0 100644
--- a/V2rayNG/app/src/main/res/layout/activity_server_vmess.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_server_vmess.xml
@@ -98,26 +98,6 @@
 
         </LinearLayout>
 
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/layout_margin_top_height"
-            android:orientation="vertical">
-
-            <TextView
-                android:id="@+id/tv_alterId"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="@string/server_lab_alterid" />
-
-            <EditText
-                android:id="@+id/et_alterId"
-                android:layout_width="match_parent"
-                android:layout_height="@dimen/edit_height"
-                android:inputType="number" />
-
-        </LinearLayout>
-
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
diff --git a/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml b/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
index 2acf6247..e03f27e6 100644
--- a/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
+++ b/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
@@ -38,7 +38,6 @@
     <string name="server_lab_address">地址(address)</string>
     <string name="server_lab_port">端口(port)</string>
     <string name="server_lab_id">用户ID(id)</string>
-    <string name="server_lab_alterid">额外ID(alterId)</string>
     <string name="server_lab_security">加密方式(security)</string>
     <string name="server_lab_network">传输协议(network)</string>
     <string name="server_lab_more_function">功能设置（不清楚则保持默认值）</string>
diff --git a/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml b/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
index dd6ac711..1500092a 100644
--- a/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
+++ b/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
@@ -38,7 +38,6 @@
     <string name="server_lab_address">位址</string>
     <string name="server_lab_port">埠</string>
     <string name="server_lab_id">使用者識別碼</string>
-    <string name="server_lab_alterid">AlterId</string>
     <string name="server_lab_security">安全性</string>
     <string name="server_lab_network">網路</string>
     <string name="server_lab_more_function">更多功能</string>
diff --git a/V2rayNG/app/src/main/res/values/strings.xml b/V2rayNG/app/src/main/res/values/strings.xml
index 334aecae..171a069a 100644
--- a/V2rayNG/app/src/main/res/values/strings.xml
+++ b/V2rayNG/app/src/main/res/values/strings.xml
@@ -38,7 +38,6 @@
     <string name="server_lab_address">address</string>
     <string name="server_lab_port">port</string>
     <string name="server_lab_id">id</string>
-    <string name="server_lab_alterid">alterId</string>
     <string name="server_lab_security">security</string>
     <string name="server_lab_network">Network</string>
     <string name="server_lab_more_function">more function</string>