diff --git a/app/src/main/java/com/github/shadowsocks/plugin/v2ray/ConfigFragment.kt b/app/src/main/java/com/github/shadowsocks/plugin/v2ray/ConfigFragment.kt
index 57afe9c..8e77657 100644
--- a/app/src/main/java/com/github/shadowsocks/plugin/v2ray/ConfigFragment.kt
+++ b/app/src/main/java/com/github/shadowsocks/plugin/v2ray/ConfigFragment.kt
@@ -50,6 +50,8 @@ class ConfigFragment : PreferenceFragmentCompat(), Preference.OnPreferenceChange
         "websocket-http" -> Pair(null, false)
         "websocket-tls" -> Pair(null, true)
         "quic-tls" -> Pair("quic", false)
+        "grpc" -> Pair("grpc", false)
+        "grpc-tls" -> Pair("grpc", true)
         else -> {
             check(false)
             Pair(null, false)
@@ -70,7 +72,9 @@ class ConfigFragment : PreferenceFragmentCompat(), Preference.OnPreferenceChange
     fun onInitializePluginOptions(options: PluginOptions) {
         mode.value = when {
             options["mode"] ?: "websocket" == "quic" -> "quic-tls"
-            "tls" in options -> "websocket-tls"
+            options["mode"] == "websocket-tls" -> "websocket-tls"
+            options["mode"] == "grpc" -> "grpc"
+            options["mode"] == "grpc-tls" -> "grpc-tls"
             else -> "websocket-http"
         }.also { onPreferenceChange(null, it) }
         host.text = options["host"] ?: "cloudfront.com"
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index 1c20449..1a9b60f 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -4,6 +4,8 @@
         <item>websocket-http</item>
         <item>websocket-tls</item>
         <item>quic-tls</item>
+        <item>grpc</item>
+        <item>grpc-tls</item>
     </string-array>
     <string-array name="loglevels">
         <item>debug</item>