diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/extension/_Ext.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/extension/_Ext.kt
index e238ff274..9d8291c00 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/extension/_Ext.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/extension/_Ext.kt
@@ -6,6 +6,7 @@ import android.widget.Toast
 import com.v2ray.ang.AngApplication
 import me.drakeet.support.toast.ToastCompat
 import org.json.JSONObject
+import java.net.URI
 import java.net.URLConnection
 
 /**
@@ -74,3 +75,6 @@ private fun Float.toShortString(): String {
 
 val URLConnection.responseLength: Long
     get() = if (Build.VERSION.SDK_INT >= 24) contentLengthLong else contentLength.toLong()
+
+val URI.idnHost: String
+    get() = (host!!).replace("[", "").replace("]", "")
\ No newline at end of file
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 8888ecb06..85f49198e 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
@@ -18,6 +18,7 @@ import com.v2ray.ang.dto.V2rayConfig.Companion.TLS
 import com.v2ray.ang.util.MmkvManager.KEY_SELECTED_SERVER
 import java.net.URI
 import java.util.*
+import com.v2ray.ang.extension.idnHost
 
 object AngConfigManager {
     private val mainStorage by lazy { MMKV.mmkvWithID(MmkvManager.ID_MAIN, MMKV.MULTI_PROCESS_MODE) }
@@ -53,27 +54,31 @@ object AngConfigManager {
     }
 
     private fun copyLegacySettings(sharedPreferences: SharedPreferences) {
-        listOf(AppConfig.PREF_MODE,
-                AppConfig.PREF_REMOTE_DNS,
-                AppConfig.PREF_DOMESTIC_DNS,
-//                AppConfig.PREF_LOCAL_DNS_PORT,
-//                AppConfig.PREF_SOCKS_PORT,
-//                AppConfig.PREF_HTTP_PORT,
-//                AppConfig.PREF_LOGLEVEL,
-                AppConfig.PREF_ROUTING_DOMAIN_STRATEGY,
-                AppConfig.PREF_ROUTING_MODE,
-                AppConfig.PREF_V2RAY_ROUTING_AGENT,
-                AppConfig.PREF_V2RAY_ROUTING_BLOCKED,
-                AppConfig.PREF_V2RAY_ROUTING_DIRECT,).forEach { key ->
+        listOf(
+            AppConfig.PREF_MODE,
+            AppConfig.PREF_REMOTE_DNS,
+            AppConfig.PREF_DOMESTIC_DNS,
+            AppConfig.PREF_LOCAL_DNS_PORT,
+//            AppConfig.PREF_SOCKS_PORT,
+//            AppConfig.PREF_HTTP_PORT,
+//            AppConfig.PREF_LOGLEVEL,
+            AppConfig.PREF_ROUTING_DOMAIN_STRATEGY,
+            AppConfig.PREF_ROUTING_MODE,
+            AppConfig.PREF_V2RAY_ROUTING_AGENT,
+            AppConfig.PREF_V2RAY_ROUTING_BLOCKED,
+            AppConfig.PREF_V2RAY_ROUTING_DIRECT,
+        ).forEach { key ->
             settingsStorage?.encode(key, sharedPreferences.getString(key, null))
         }
-        listOf(AppConfig.PREF_SPEED_ENABLED,
-                AppConfig.PREF_PROXY_SHARING,
-                AppConfig.PREF_LOCAL_DNS_ENABLED,
-//                AppConfig.PREF_ALLOW_INSECURE,
-//                AppConfig.PREF_PREFER_IPV6,
-                AppConfig.PREF_PER_APP_PROXY,
-                AppConfig.PREF_BYPASS_APPS,).forEach { key ->
+        listOf(
+            AppConfig.PREF_SPEED_ENABLED,
+            AppConfig.PREF_PROXY_SHARING,
+            AppConfig.PREF_LOCAL_DNS_ENABLED,
+//            AppConfig.PREF_ALLOW_INSECURE,
+//            AppConfig.PREF_PREFER_IPV6,
+            AppConfig.PREF_PER_APP_PROXY,
+            AppConfig.PREF_BYPASS_APPS,
+        ).forEach { key ->
             settingsStorage?.encode(key, sharedPreferences.getBoolean(key, false))
         }
         settingsStorage?.encode(AppConfig.PREF_SNIFFING_ENABLED, sharedPreferences.getBoolean(AppConfig.PREF_SNIFFING_ENABLED, true))
@@ -281,7 +286,7 @@ object AngConfigManager {
                 config = ServerConfig.create(EConfigType.TROJAN)
                 config.remarks = uri.fragment ?: ""
                 config.outboundBean?.settings?.servers?.get(0)?.let { server ->
-                    server.address = uri.host
+                    server.address = uri.idnHost
                     server.port = uri.port
                     server.password = uri.userInfo
                 }
@@ -300,7 +305,7 @@ object AngConfigManager {
                 val streamSetting = config.outboundBean?.streamSettings ?: return -1
                 config.remarks = uri.fragment ?: ""
                 config.outboundBean?.settings?.vnext?.get(0)?.let { vnext ->
-                    vnext.address = uri.host
+                    vnext.address = uri.idnHost
                     vnext.port = uri.port
                     vnext.users[0].id = uri.userInfo
                     vnext.users[0].encryption = queryParam["encryption"] ?: "none"
@@ -344,7 +349,7 @@ object AngConfigManager {
             val streamSetting = config.outboundBean?.streamSettings ?: return false
             config.remarks = uri.fragment
             config.outboundBean.settings?.vnext?.get(0)?.let { vnext ->
-                vnext.address = uri.host
+                vnext.address = uri.idnHost
                 vnext.port = uri.port
                 vnext.users[0].id = uuid
                 vnext.users[0].encryption = DEFAULT_SECURITY
@@ -501,7 +506,7 @@ object AngConfigManager {
 
                     val url = String.format("%s@%s:%s",
                             outbound.getPassword(),
-                            outbound.getServerAddress(),
+                            Utils.getIpv6Address(outbound.getServerAddress()!!),
                             outbound.getServerPort())
                     url + query + remark
                 }
@@ -515,7 +520,7 @@ object AngConfigManager {
                     }
                     val url = String.format("%s@%s:%s",
                             outbound.getPassword(),
-                            outbound.getServerAddress(),
+                            Utils.getIpv6Address(outbound.getServerAddress()!!),
                             outbound.getServerPort())
                     url + query + remark
                 }
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/Utils.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/Utils.kt
index e81cfecf9..804011c85 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/Utils.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/Utils.kt
@@ -477,5 +477,13 @@ object Utils {
             it.bufferedReader().readText()
         }
     }
+
+    fun getIpv6Address(address: String): String {
+        return if (isIpv6Address(address)) {
+            String.format("[%s]", address)
+        } else {
+            address
+        }
+    }
 }