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 5cdaf5d93..675fed2bf 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
@@ -5,6 +5,7 @@ import com.google.gson.GsonBuilder
 import com.google.gson.JsonPrimitive
 import com.google.gson.JsonSerializationContext
 import com.google.gson.JsonSerializer
+import com.google.gson.annotations.SerializedName
 import com.google.gson.reflect.TypeToken
 import java.lang.reflect.Type
 
@@ -19,7 +20,8 @@ data class V2rayConfig(
         val api: Any? = null,
         val transport: Any? = null,
         val reverse: Any? = null,
-        val fakedns: Any? = null) {
+        val fakedns: Any? = null,
+        val browserForwarder: Any? = null) {
     companion object {
         const val DEFAULT_PORT = 443
         const val DEFAULT_SECURITY = "auto"
@@ -34,7 +36,8 @@ data class V2rayConfig(
 
     data class LogBean(val access: String,
                        val error: String,
-                       var loglevel: String?)
+                       var loglevel: String?,
+                       val dnsLog: Boolean? = null)
 
     data class InboundBean(
             var tag: String,
@@ -101,6 +104,7 @@ data class V2rayConfig(
                                    var level: Int = DEFAULT_LEVEL,
                                    val email: String? = null,
                                    val flow: String? = null,
+                                   val ivCheck: Boolean? = null,
                                    var users: List<SocksUsersBean>? = null) {
 
 
@@ -121,18 +125,27 @@ data class V2rayConfig(
                                       var tlsSettings: TlsSettingsBean? = null,
                                       var quicSettings: QuicSettingBean? = null,
                                       var xtlsSettings: TlsSettingsBean? = null,
-                                      val grpcSettings: Any? = null,
+                                      var grpcSettings: GrpcSettingsBean? = null,
                                       val dsSettings: Any? = null,
                                       val sockopt: Any? = null
         ) {
 
-            data class TcpSettingsBean(var header: HeaderBean = HeaderBean()) {
+            data class TcpSettingsBean(var header: HeaderBean = HeaderBean(),
+                                       val acceptProxyProtocol: Boolean? = null) {
                 data class HeaderBean(var type: String = "none",
                                       var request: RequestBean? = null,
                                       var response: Any? = null) {
                     data class RequestBean(var path: List<String> = ArrayList(),
-                                           var headers: HeadersBean = HeadersBean()) {
-                        data class HeadersBean(var Host: List<String> = ArrayList())
+                                           var headers: HeadersBean = HeadersBean(),
+                                           val version: String? = null,
+                                           val method: String? = null) {
+                        data class HeadersBean(var Host: List<String> = ArrayList(),
+                                               @SerializedName("User-Agent")
+                                               val userAgent: List<String>? = null,
+                                               @SerializedName("Accept-Encoding")
+                                               val acceptEncoding: List<String>? = null,
+                                               val Connection: List<String>? = null,
+                                               val Pragma: String? = null)
                     }
                 }
             }
@@ -150,7 +163,10 @@ data class V2rayConfig(
             }
 
             data class WsSettingsBean(var path: String = "",
-                                      var headers: HeadersBean = HeadersBean()) {
+                                      var headers: HeadersBean = HeadersBean(),
+                                      val maxEarlyData: Int? = null,
+                                      val useBrowserForwarding: Boolean? = null,
+                                      val acceptProxyProtocol: Boolean? = null) {
                 data class HeadersBean(var Host: String = "")
             }
 
@@ -160,8 +176,14 @@ data class V2rayConfig(
             data class TlsSettingsBean(var allowInsecure: Boolean = false,
                                        var serverName: String = "",
                                        val alpn: List<String>? = null,
+                                       val minVersion: String? = null,
+                                       val maxVersion: String? = null,
+                                       val preferServerCipherSuites: Boolean? = null,
+                                       val cipherSuites: String? = null,
+                                       val fingerprint: String? = null,
                                        val certificates: List<Any>? = null,
-                                       val disableSystemRoot: Boolean? = null)
+                                       val disableSystemRoot: Boolean? = null,
+                                       val enableSessionResumption: Boolean? = null)
 
             data class QuicSettingBean(var security: String = "none",
                                        var key: String = "",
@@ -169,6 +191,9 @@ data class V2rayConfig(
                 data class HeaderBean(var type: String = "none")
             }
 
+            data class GrpcSettingsBean(var serviceName: String = "",
+                                        val multiMode: Boolean? = null)
+
             fun populateTransportSettings(transport: String, headerType: String?, host: String?, path: String?, seed: String?,
                                           quicSecurity: String?, key: String?): String {
                 var sni = ""
@@ -223,6 +248,12 @@ data class V2rayConfig(
                         quicsetting.header.type = headerType ?: "none"
                         quicSettings = quicsetting
                     }
+                    "grpc" -> {
+                        val grpcSetting = GrpcSettingsBean()
+                        grpcSetting.serviceName = path ?: ""
+                        sni = host ?: ""
+                        grpcSettings = grpcSetting
+                    }
                 }
                 return sni
             }
@@ -324,6 +355,12 @@ data class V2rayConfig(
                                 quicSetting.security,
                                 quicSetting.key)
                     }
+                    "grpc" -> {
+                        val grpcSetting = streamSettings?.grpcSettings ?: return null
+                        listOf("",
+                                "",
+                                grpcSetting.serviceName)
+                    }
                     else -> null
                 }
             }
@@ -335,6 +372,7 @@ data class V2rayConfig(
                        var hosts: Map<String, String>? = null,
                        val clientIp: String? = null,
                        val disableCache: Boolean? = null,
+                       val queryStrategy: String? = null,
                        val tag: String? = null
     ) {
         data class ServersBean(var address: String = "",
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt
index eec16e033..fba5096e4 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/MainActivity.kt
@@ -16,6 +16,7 @@ import android.util.Log
 import android.view.KeyEvent
 import android.view.Menu
 import android.view.MenuItem
+import android.widget.Toast
 import com.tbruyelle.rxpermissions.RxPermissions
 import com.tencent.mmkv.MMKV
 import com.v2ray.ang.AppConfig
@@ -28,13 +29,13 @@ import com.v2ray.ang.service.V2RayServiceManager
 import com.v2ray.ang.util.AngConfigManager
 import com.v2ray.ang.util.MmkvManager
 import com.v2ray.ang.util.Utils
-import com.v2ray.ang.util.V2rayConfigUtil
 import com.v2ray.ang.viewmodel.MainViewModel
 import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 import libv2ray.Libv2ray
+import me.drakeet.support.toast.ToastCompat
 import rx.Observable
 import rx.android.schedulers.AndroidSchedulers
 import java.net.URL
@@ -475,14 +476,11 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
                 toast(R.string.toast_none_data)
                 return
             }
-            if (!V2rayConfigUtil.isValidConfig(server)) {
-                toast(R.string.toast_config_file_invalid)
-                return
-            }
             mainViewModel.appendCustomConfigServer(server)
             toast(R.string.toast_success)
             adapter.notifyItemInserted(mainViewModel.serverList.lastIndex)
         } catch (e: Exception) {
+            ToastCompat.makeText(this, "${getString(R.string.toast_malformed_josn)} ${e.cause?.message}", Toast.LENGTH_LONG).show()
             e.printStackTrace()
             return
         }
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerCustomConfigActivity.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerCustomConfigActivity.kt
index 8db9793f6..bb8d0f5e3 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerCustomConfigActivity.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerCustomConfigActivity.kt
@@ -5,6 +5,7 @@ import android.support.v7.app.AlertDialog
 import android.text.TextUtils
 import android.view.Menu
 import android.view.MenuItem
+import android.widget.Toast
 import com.google.gson.Gson
 import com.tencent.mmkv.MMKV
 import com.v2ray.ang.R
@@ -15,6 +16,7 @@ import com.v2ray.ang.extension.toast
 import com.v2ray.ang.util.MmkvManager
 import com.v2ray.ang.util.Utils
 import kotlinx.android.synthetic.main.activity_server_custom_config.*
+import me.drakeet.support.toast.ToastCompat
 
 class ServerCustomConfigActivity : BaseActivity() {
 
@@ -70,7 +72,7 @@ class ServerCustomConfigActivity : BaseActivity() {
             Gson().fromJson(tv_content.text.toString(), V2rayConfig::class.java)
         } catch (e: Exception) {
             e.printStackTrace()
-            toast(R.string.toast_malformed_josn)
+            ToastCompat.makeText(this, "${getString(R.string.toast_malformed_josn)} ${e.cause?.message}", Toast.LENGTH_LONG).show()
             return false
         }
 
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/V2rayConfigUtil.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/V2rayConfigUtil.kt
index 7dc3aefbf..8ec7fe260 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/V2rayConfigUtil.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/V2rayConfigUtil.kt
@@ -360,17 +360,4 @@ object V2rayConfigUtil {
         }
         return true
     }
-
-    /**
-     * is valid config
-     */
-    fun isValidConfig(conf: String): Boolean {
-        return try {
-            val jObj = JSONObject(conf)
-            //hasBound = (jObj.has("outbounds") and jObj.has("inbounds")) or (jObj.has("outbound") and jObj.has("inbound"))
-            jObj.has("outbounds") or jObj.has("outbound")
-        } catch (e: JSONException) {
-            false
-        }
-    }
 }
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 9a91f38a3..24d13e72f 100644
--- a/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
+++ b/V2rayNG/app/src/main/res/values-zh-rCN/strings.xml
@@ -43,10 +43,10 @@
     <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>
     <string name="server_lab_head_type">伪装类型(type)</string>
-    <string name="server_lab_request_host">伪装域名host(host/ws host/h2 host)/QUIC 加密方式</string>
-    <string name="server_lab_path">path(ws path/h2 path)/QUIC 加密密钥</string>
-    <string name="server_lab_stream_security">底层传输安全</string>
-    <string name="server_lab_allow_insecure">allowInsecure</string>
+    <string name="server_lab_request_host">伪装域名(host)(host/ws host/h2 host)/QUIC 加密方式</string>
+    <string name="server_lab_path">path(ws path/h2 path)/QUIC 加密密钥/kcp seed/grpc serviceName</string>
+    <string name="server_lab_stream_security">底层传输安全(tls)</string>
+    <string name="server_lab_allow_insecure">跳过证书验证(allowInsecure)</string>
     <string name="server_lab_address3">服务器地址</string>
     <string name="server_lab_port3">服务器端口</string>
     <string name="server_lab_id3">密码</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 5303fdbbc..4c6b7436b 100644
--- a/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
+++ b/V2rayNG/app/src/main/res/values-zh-rTW/strings.xml
@@ -43,10 +43,10 @@
     <string name="server_lab_network">網路</string>
     <string name="server_lab_more_function">更多功能</string>
     <string name="server_lab_head_type">標頭類型</string>
-    <string name="server_lab_request_host">要求主機(host/ws host/h2 host)/QUIC加密方式</string>
-    <string name="server_lab_path">path(ws path/h2 path)/QUIC加密密鑰</string>
-    <string name="server_lab_stream_security">傳輸層安全性</string>
-    <string name="server_lab_allow_insecure">allowInsecure</string>
+    <string name="server_lab_request_host">要求主機(host)(host/ws host/h2 host)/QUIC加密方式</string>
+    <string name="server_lab_path">path(ws path/h2 path)/QUIC加密密鑰/kcp seed/grpc serviceName</string>
+    <string name="server_lab_stream_security">傳輸層安全性(tls)</string>
+    <string name="server_lab_allow_insecure">跳過證書驗證(allowInsecure)</string>
     <string name="server_lab_address3">伺服器位址</string>
     <string name="server_lab_port3">伺服器埠</string>
     <string name="server_lab_id3">密碼</string>
diff --git a/V2rayNG/app/src/main/res/values/arrays.xml b/V2rayNG/app/src/main/res/values/arrays.xml
index 755bb1d66..3a690f7be 100644
--- a/V2rayNG/app/src/main/res/values/arrays.xml
+++ b/V2rayNG/app/src/main/res/values/arrays.xml
@@ -24,6 +24,7 @@
         <item>ws</item>
         <item>h2</item>
         <item>quic</item>
+        <item>grpc</item>
     </string-array>
 
     <string-array name="headertypes" translatable="false">
diff --git a/V2rayNG/app/src/main/res/values/strings.xml b/V2rayNG/app/src/main/res/values/strings.xml
index b45ed29ba..f15c8c8bc 100644
--- a/V2rayNG/app/src/main/res/values/strings.xml
+++ b/V2rayNG/app/src/main/res/values/strings.xml
@@ -44,7 +44,7 @@
     <string name="server_lab_more_function">more function</string>
     <string name="server_lab_head_type">head type</string>
     <string name="server_lab_request_host">request host(host/ws host/h2 host)/QUIC security</string>
-    <string name="server_lab_path">path(ws path/h2 path)/QUIC key</string>
+    <string name="server_lab_path">path(ws path/h2 path)/QUIC key/kcp seed/grpc serviceName</string>
     <string name="server_lab_stream_security">tls</string>
     <string name="server_lab_allow_insecure">allowInsecure</string>
     <string name="server_lab_address3">address</string>