diff --git a/app/src/main/java/io/nekohasekai/sagernet/bg/proto/TrafficUpdater.kt b/app/src/main/java/io/nekohasekai/sagernet/bg/proto/TrafficUpdater.kt
index bcaeae2..86468cb 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/bg/proto/TrafficUpdater.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/bg/proto/TrafficUpdater.kt
@@ -62,8 +62,8 @@ class TrafficUpdater(
             } else {
                 item.rx += diff.rx
                 item.tx += diff.tx
-                item.rxRate += diff.rxRate
-                item.txRate += diff.txRate
+                item.rxRate = diff.rxRate
+                item.txRate = diff.txRate
             }
         }
     }
diff --git a/app/src/main/java/io/nekohasekai/sagernet/ui/profile/StandardV2RaySettingsActivity.kt b/app/src/main/java/io/nekohasekai/sagernet/ui/profile/StandardV2RaySettingsActivity.kt
index bd3d560..2d280e9 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/ui/profile/StandardV2RaySettingsActivity.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/ui/profile/StandardV2RaySettingsActivity.kt
@@ -34,6 +34,8 @@ abstract class StandardV2RaySettingsActivity : ProfileSettingsActivity<StandardV
     private val host = pbm.add(PreferenceBinding(Type.Text, "host"))
     private val path = pbm.add(PreferenceBinding(Type.Text, "path"))
     private val packetEncoding = pbm.add(PreferenceBinding(Type.TextToInt, "packetEncoding"))
+    private val wsMaxEarlyData = pbm.add(PreferenceBinding(Type.TextToInt, "wsMaxEarlyData"))
+    private val earlyDataHeaderName = pbm.add(PreferenceBinding(Type.Text, "earlyDataHeaderName"))
     private val security = pbm.add(PreferenceBinding(Type.Text, "security"))
     private val sni = pbm.add(PreferenceBinding(Type.Text, "sni"))
     private val alpn = pbm.add(PreferenceBinding(Type.Text, "alpn"))
@@ -62,6 +64,7 @@ abstract class StandardV2RaySettingsActivity : ProfileSettingsActivity<StandardV
     }
 
     lateinit var securityCategory: PreferenceCategory
+    lateinit var wsCategory: PreferenceCategory
 
     override fun PreferenceFragmentCompat.createPreferences(
         savedInstanceState: Bundle?,
@@ -70,6 +73,7 @@ abstract class StandardV2RaySettingsActivity : ProfileSettingsActivity<StandardV
         addPreferencesFromResource(R.xml.standard_v2ray_preferences)
         pbm.setPreferenceFragment(this)
         securityCategory = findPreference(Key.SERVER_SECURITY_CATEGORY)!!
+        wsCategory = findPreference(Key.SERVER_WS_CATEGORY)!!
 
         serverPort.preference.apply {
             this as EditTextPreference
@@ -133,6 +137,7 @@ abstract class StandardV2RaySettingsActivity : ProfileSettingsActivity<StandardV
     fun updateView(network: String) {
         host.preference.isVisible = false
         path.preference.isVisible = false
+        wsCategory.isVisible = false
 
         when (network) {
             "tcp" -> {
@@ -150,6 +155,7 @@ abstract class StandardV2RaySettingsActivity : ProfileSettingsActivity<StandardV
                 path.preference.setTitle(R.string.ws_path)
                 host.preference.isVisible = true
                 path.preference.isVisible = true
+                wsCategory.isVisible = true
             }
             "grpc" -> {
                 path.preference.setTitle(R.string.grpc_service_name)
diff --git a/app/src/main/res/xml/standard_v2ray_preferences.xml b/app/src/main/res/xml/standard_v2ray_preferences.xml
index 8ccf5b6..2875ba3 100644
--- a/app/src/main/res/xml/standard_v2ray_preferences.xml
+++ b/app/src/main/res/xml/standard_v2ray_preferences.xml
@@ -78,6 +78,23 @@
             app:useSimpleSummaryProvider="true" />
     </PreferenceCategory>
 
+    <PreferenceCategory
+        app:key="serverWsCategory"
+        app:title="@string/cag_ws">
+        <EditTextPreference
+            app:defaultValue="0"
+            app:icon="@drawable/ic_baseline_compare_arrows_24"
+            app:key="wsMaxEarlyData"
+            app:title="@string/ws_max_early_data"
+            app:useSimpleSummaryProvider="true" />
+
+        <EditTextPreference
+            app:icon="@drawable/ic_baseline_stream_24"
+            app:key="earlyDataHeaderName"
+            app:title="@string/early_data_header_name"
+            app:useSimpleSummaryProvider="true" />
+    </PreferenceCategory>
+
     <PreferenceCategory
         app:key="serverSecurityCategory"
         app:title="@string/security_settings">