diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/FmtBase.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/FmtBase.kt
index 97357cb4..e657fa47 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/FmtBase.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/FmtBase.kt
@@ -3,7 +3,7 @@ package com.v2ray.ang.fmt
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.dto.NetworkType
 import com.v2ray.ang.dto.ProfileItem
-import com.v2ray.ang.extension.isNotNullEmpty
+import com.v2ray.ang.extension.nullIfBlank
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.util.HttpUtil
 import com.v2ray.ang.util.Utils
@@ -100,16 +100,16 @@ open class FmtBase {
     fun getQueryDic(config: ProfileItem): HashMap<String, String> {
         val dicQuery = HashMap<String, String>()
         dicQuery["security"] = config.security?.ifEmpty { "none" }.orEmpty()
-        config.sni.let { if (it.isNotNullEmpty()) dicQuery["sni"] = it.orEmpty() }
-        config.alpn.let { if (it.isNotNullEmpty()) dicQuery["alpn"] = it.orEmpty() }
-        config.echConfigList.let { if (it.isNotNullEmpty()) dicQuery["ech"] = it.orEmpty() }
-        config.pinnedCA256.let { if (it.isNotNullEmpty()) dicQuery["pcs"] = it.orEmpty() }
-        config.fingerPrint.let { if (it.isNotNullEmpty()) dicQuery["fp"] = it.orEmpty() }
-        config.publicKey.let { if (it.isNotNullEmpty()) dicQuery["pbk"] = it.orEmpty() }
-        config.shortId.let { if (it.isNotNullEmpty()) dicQuery["sid"] = it.orEmpty() }
-        config.spiderX.let { if (it.isNotNullEmpty()) dicQuery["spx"] = it.orEmpty() }
-        config.mldsa65Verify.let { if (it.isNotNullEmpty()) dicQuery["pqv"] = it.orEmpty() }
-        config.flow.let { if (it.isNotNullEmpty()) dicQuery["flow"] = it.orEmpty() }
+        config.sni?.nullIfBlank()?.let { dicQuery["sni"] = it }
+        config.alpn?.nullIfBlank()?.let { dicQuery["alpn"] = it }
+        config.echConfigList?.nullIfBlank()?.let { dicQuery["ech"] = it }
+        config.pinnedCA256?.nullIfBlank()?.let { dicQuery["pcs"] = it }
+        config.fingerPrint?.nullIfBlank()?.let { dicQuery["fp"] = it }
+        config.publicKey?.nullIfBlank()?.let { dicQuery["pbk"] = it }
+        config.shortId?.nullIfBlank()?.let { dicQuery["sid"] = it }
+        config.spiderX?.nullIfBlank()?.let { dicQuery["spx"] = it }
+        config.mldsa65Verify?.nullIfBlank()?.let { dicQuery["pqv"] = it }
+        config.flow?.nullIfBlank()?.let { dicQuery["flow"] = it }
         // Add two keys for compatibility: "insecure" and "allowInsecure"
         if (config.security == AppConfig.TLS) {
             val insecureFlag = if (config.insecure == true) "1" else "0"
@@ -123,42 +123,42 @@ open class FmtBase {
         when (networkType) {
             NetworkType.TCP -> {
                 dicQuery["headerType"] = config.headerType?.ifEmpty { "none" }.orEmpty()
-                config.host.let { if (it.isNotNullEmpty()) dicQuery["host"] = it.orEmpty() }
+                config.host?.nullIfBlank()?.let { dicQuery["host"] = it }
             }
 
             NetworkType.KCP -> {
                 dicQuery["headerType"] = config.headerType?.ifEmpty { "none" }.orEmpty()
-                config.seed.let { if (it.isNotNullEmpty()) dicQuery["seed"] = it.orEmpty() }
+                config.seed?.nullIfBlank()?.let { dicQuery["seed"] = it }
             }
 
             NetworkType.WS, NetworkType.HTTP_UPGRADE -> {
-                config.host.let { if (it.isNotNullEmpty()) dicQuery["host"] = it.orEmpty() }
-                config.path.let { if (it.isNotNullEmpty()) dicQuery["path"] = it.orEmpty() }
+                config.host?.nullIfBlank()?.let { dicQuery["host"] = it }
+                config.path?.nullIfBlank()?.let { dicQuery["path"] = it }
             }
 
             NetworkType.XHTTP -> {
-                config.host.let { if (it.isNotNullEmpty()) dicQuery["host"] = it.orEmpty() }
-                config.path.let { if (it.isNotNullEmpty()) dicQuery["path"] = it.orEmpty() }
-                config.xhttpMode.let { if (it.isNotNullEmpty()) dicQuery["mode"] = it.orEmpty() }
-                config.xhttpExtra.let { if (it.isNotNullEmpty()) dicQuery["extra"] = it.orEmpty() }
+                config.host?.nullIfBlank()?.let { dicQuery["host"] = it }
+                config.path?.nullIfBlank()?.let { dicQuery["path"] = it }
+                config.xhttpMode?.nullIfBlank()?.let { dicQuery["mode"] = it }
+                config.xhttpExtra?.nullIfBlank()?.let { dicQuery["extra"] = it }
             }
 
             NetworkType.HTTP, NetworkType.H2 -> {
                 dicQuery["type"] = "http"
-                config.host.let { if (it.isNotNullEmpty()) dicQuery["host"] = it.orEmpty() }
-                config.path.let { if (it.isNotNullEmpty()) dicQuery["path"] = it.orEmpty() }
+                config.host?.nullIfBlank()?.let { dicQuery["host"] = it }
+                config.path?.nullIfBlank()?.let { dicQuery["path"] = it }
             }
 
 //            NetworkType.QUIC -> {
 //                dicQuery["headerType"] = config.headerType?.ifEmpty { "none" }.orEmpty()
-//                config.quicSecurity.let { if (it.isNotNullEmpty()) dicQuery["quicSecurity"] = it.orEmpty() }
-//                config.quicKey.let { if (it.isNotNullEmpty()) dicQuery["key"] = it.orEmpty() }
+//                config.quicSecurity?.nullIfBlank()?.let { dicQuery["quicSecurity"] = it }
+//                config.quicKey?.nullIfBlank()?.let { dicQuery["key"] = it }
 //            }
 
             NetworkType.GRPC -> {
-                config.mode.let { if (it.isNotNullEmpty()) dicQuery["mode"] = it.orEmpty() }
-                config.authority.let { if (it.isNotNullEmpty()) dicQuery["authority"] = it.orEmpty() }
-                config.serviceName.let { if (it.isNotNullEmpty()) dicQuery["serviceName"] = it.orEmpty() }
+                config.mode?.nullIfBlank()?.let { dicQuery["mode"] = it }
+                config.authority?.nullIfBlank()?.let { dicQuery["authority"] = it }
+                config.serviceName?.nullIfBlank()?.let { dicQuery["serviceName"] = it }
             }
 
             else -> {}
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/Hysteria2Fmt.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/Hysteria2Fmt.kt
index 29efd8de..49aea271 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/Hysteria2Fmt.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/Hysteria2Fmt.kt
@@ -9,6 +9,7 @@ import com.v2ray.ang.dto.V2rayConfig.OutboundBean.StreamSettingsBean
 import com.v2ray.ang.dto.V2rayConfig.OutboundBean.StreamSettingsBean.UdpMasksBean.UdpMasksSettingsBean
 import com.v2ray.ang.extension.idnHost
 import com.v2ray.ang.extension.isNotNullEmpty
+import com.v2ray.ang.extension.nullIfBlank
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.handler.V2rayConfigManager
 import com.v2ray.ang.util.Utils
@@ -61,8 +62,8 @@ object Hysteria2Fmt : FmtBase() {
         val dicQuery = HashMap<String, String>()
 
         config.security.let { if (it != null) dicQuery["security"] = it }
-        config.sni.let { if (it.isNotNullEmpty()) dicQuery["sni"] = it.orEmpty() }
-        config.alpn.let { if (it.isNotNullEmpty()) dicQuery["alpn"] = it.orEmpty() }
+        config.sni?.nullIfBlank()?.let { dicQuery["sni"] = it }
+        config.alpn?.nullIfBlank()?.let { dicQuery["alpn"] = it }
         config.insecure.let { dicQuery["insecure"] = if (it == true) "1" else "0" }
 
         if (config.obfsPassword.isNotNullEmpty()) {
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/VmessFmt.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/VmessFmt.kt
index 2b358688..f6cfe7ff 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/VmessFmt.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/VmessFmt.kt
@@ -10,6 +10,7 @@ import com.v2ray.ang.dto.V2rayConfig.OutboundBean
 import com.v2ray.ang.dto.VmessQRCode
 import com.v2ray.ang.extension.idnHost
 import com.v2ray.ang.extension.isNotNullEmpty
+import com.v2ray.ang.extension.nullIfBlank
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.handler.V2rayConfigManager
 import com.v2ray.ang.util.JsonUtil
@@ -132,8 +133,8 @@ object VmessFmt : FmtBase() {
             else -> {}
         }
 
-        config.host.let { if (it.isNotNullEmpty()) vmessQRCode.host = it.orEmpty() }
-        config.path.let { if (it.isNotNullEmpty()) vmessQRCode.path = it.orEmpty() }
+        config.host?.nullIfBlank()?.let { vmessQRCode.host = it }
+        config.path?.nullIfBlank()?.let { vmessQRCode.path = it }
 
         vmessQRCode.tls = config.security.orEmpty()
         vmessQRCode.sni = config.sni.orEmpty()
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/WireguardFmt.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/WireguardFmt.kt
index b22d8cd3..5da31409 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/WireguardFmt.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/WireguardFmt.kt
@@ -6,6 +6,7 @@ import com.v2ray.ang.dto.EConfigType
 import com.v2ray.ang.dto.ProfileItem
 import com.v2ray.ang.dto.V2rayConfig.OutboundBean
 import com.v2ray.ang.extension.idnHost
+import com.v2ray.ang.extension.nullIfBlank
 import com.v2ray.ang.extension.removeWhiteSpace
 import com.v2ray.ang.handler.V2rayConfigManager
 import com.v2ray.ang.util.Utils
@@ -32,7 +33,7 @@ object WireguardFmt : FmtBase() {
         config.secretKey = uri.userInfo.orEmpty()
         config.localAddress = queryParam["address"] ?: WIREGUARD_LOCAL_ADDRESS_V4
         config.publicKey = queryParam["publickey"].orEmpty()
-        config.preSharedKey = queryParam["presharedkey"]?.takeIf { it.isNotEmpty() }
+        config.preSharedKey = queryParam["presharedkey"]?.nullIfBlank()
         config.mtu = Utils.parseInt(queryParam["mtu"] ?: AppConfig.WIREGUARD_LOCAL_MTU)
         config.reserved = queryParam["reserved"] ?: "0,0,0"
 
@@ -84,7 +85,7 @@ object WireguardFmt : FmtBase() {
         config.localAddress = interfaceParams["address"] ?: WIREGUARD_LOCAL_ADDRESS_V4
         config.mtu = Utils.parseInt(interfaceParams["mtu"] ?: AppConfig.WIREGUARD_LOCAL_MTU)
         config.publicKey = peerParams["publickey"].orEmpty()
-        config.preSharedKey = peerParams["presharedkey"]?.takeIf { it.isNotEmpty() }
+        config.preSharedKey = peerParams["presharedkey"]?.nullIfBlank()
         val endpoint = peerParams["endpoint"].orEmpty()
         val endpointParts = endpoint.split(":", limit = 2)
         if (endpointParts.size == 2) {
@@ -113,7 +114,7 @@ object WireguardFmt : FmtBase() {
             wireguard.address = (profileItem.localAddress ?: WIREGUARD_LOCAL_ADDRESS_V4).split(",")
             wireguard.peers?.firstOrNull()?.let { peer ->
                 peer.publicKey = profileItem.publicKey.orEmpty()
-                peer.preSharedKey = profileItem.preSharedKey?.takeIf { it.isNotEmpty() }
+                peer.preSharedKey = profileItem.preSharedKey?.nullIfBlank()
                 peer.endpoint = Utils.getIpv6Address(profileItem.server) + ":${profileItem.serverPort}"
             }
             wireguard.mtu = profileItem.mtu
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt
index 6ec3eac7..e8196717 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt
@@ -1297,29 +1297,21 @@ object V2rayConfigManager {
         } else {
             profileItem.sni
         }
-        val fingerprint = profileItem.fingerPrint
-        val alpns = profileItem.alpn
-        val echConfigList = profileItem.echConfigList
-        val echForceQuery = profileItem.echForceQuery
-        val publicKey = profileItem.publicKey
-        val shortId = profileItem.shortId
-        val spiderX = profileItem.spiderX
-        val mldsa65Verify = profileItem.mldsa65Verify
 
-        streamSettings.security = if (streamSecurity.isEmpty()) null else streamSecurity
+        streamSettings.security = streamSecurity.nullIfBlank()
         if (streamSettings.security == null) return
         val tlsSetting = StreamSettingsBean.TlsSettingsBean(
             allowInsecure = allowInsecure,
-            serverName = if (sni.isNullOrEmpty()) null else sni,
-            fingerprint = if (fingerprint.isNullOrEmpty()) null else fingerprint,
-            alpn = if (alpns.isNullOrEmpty()) null else alpns.split(",").map { it.trim() }.filter { it.isNotEmpty() },
-            echConfigList = if (echConfigList.isNullOrEmpty()) null else echConfigList,
-            echForceQuery = if (echForceQuery.isNullOrEmpty()) null else echForceQuery,
-            pinnedPeerCertSha256 = profileItem.pinnedCA256?.nullIfBlank(),
-            publicKey = if (publicKey.isNullOrEmpty()) null else publicKey,
-            shortId = if (shortId.isNullOrEmpty()) null else shortId,
-            spiderX = if (spiderX.isNullOrEmpty()) null else spiderX,
-            mldsa65Verify = if (mldsa65Verify.isNullOrEmpty()) null else mldsa65Verify,
+            serverName = sni.nullIfBlank(),
+            fingerprint = profileItem.fingerPrint.nullIfBlank(),
+            alpn =  profileItem.alpn?.split(",")?.map { it.trim() }?.filter { it.isNotEmpty() }.takeIf { !it.isNullOrEmpty() },
+            echConfigList = profileItem.echConfigList.nullIfBlank(),
+            echForceQuery = profileItem.echForceQuery.nullIfBlank(),
+            pinnedPeerCertSha256 = profileItem.pinnedCA256.nullIfBlank(),
+            publicKey = profileItem.publicKey.nullIfBlank(),
+            shortId = profileItem.shortId.nullIfBlank(),
+            spiderX = profileItem.spiderX.nullIfBlank(),
+            mldsa65Verify = profileItem.mldsa65Verify.nullIfBlank(),
         )
         if (streamSettings.security == AppConfig.TLS) {
             streamSettings.tlsSettings = tlsSetting
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/RoutingEditActivity.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/RoutingEditActivity.kt
index 42e2d2f2..86cb495b 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/RoutingEditActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/RoutingEditActivity.kt
@@ -8,6 +8,7 @@ import androidx.lifecycle.lifecycleScope
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityRoutingEditBinding
 import com.v2ray.ang.dto.RulesetItem
+import com.v2ray.ang.extension.nullIfBlank
 import com.v2ray.ang.extension.toast
 import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.handler.SettingsManager
@@ -62,14 +63,11 @@ class RoutingEditActivity : BaseActivity() {
         rulesetItem.apply {
             remarks = binding.etRemarks.text.toString()
             locked = binding.chkLocked.isChecked
-            domain = binding.etDomain.text.toString().takeIf { it.isNotEmpty() }
-                ?.split(",")?.map { it.trim() }?.filter { it.isNotEmpty() }
-            ip = binding.etIp.text.toString().takeIf { it.isNotEmpty() }
-                ?.split(",")?.map { it.trim() }?.filter { it.isNotEmpty() }
-            protocol = binding.etProtocol.text.toString().takeIf { it.isNotEmpty() }
-                ?.split(",")?.map { it.trim() }?.filter { it.isNotEmpty() }
-            port = binding.etPort.text.toString().takeIf { it.isNotEmpty() }
-            network = binding.etNetwork.text.toString().takeIf { it.isNotEmpty() }
+            domain = binding.etDomain.text.toString().nullIfBlank()?.split(",")?.map { it.trim() }?.filter { it.isNotEmpty() }
+            ip = binding.etIp.text.toString().nullIfBlank()?.split(",")?.map { it.trim() }?.filter { it.isNotEmpty() }
+            protocol = binding.etProtocol.text.toString().nullIfBlank()?.split(",")?.map { it.trim() }?.filter { it.isNotEmpty() }
+            port = binding.etPort.text.toString().nullIfBlank()
+            network = binding.etNetwork.text.toString().nullIfBlank()
             outboundTag = outbound_tag[binding.spOutboundTag.selectedItemPosition]
         }