diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/TestServiceMessage.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/TestServiceMessage.kt
new file mode 100644
index 00000000..a9f4ce91
--- /dev/null
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/TestServiceMessage.kt
@@ -0,0 +1,10 @@
+package com.v2ray.ang.dto
+
+import java.io.Serializable
+
+data class TestServiceMessage(
+    val key: Int,
+    val subscriptionId: String = "",
+    val serverGuids: List<String> = emptyList()
+) : Serializable
+
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/service/V2RayTestService.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/service/V2RayTestService.kt
index ec7d5602..179f8e25 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/service/V2RayTestService.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/service/V2RayTestService.kt
@@ -6,6 +6,8 @@ import android.os.IBinder
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.AppConfig.MSG_MEASURE_CONFIG
 import com.v2ray.ang.AppConfig.MSG_MEASURE_CONFIG_CANCEL
+import com.v2ray.ang.dto.TestServiceMessage
+import com.v2ray.ang.extension.serializable
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.handler.V2RayNativeManager
 import com.v2ray.ang.util.MessageUtil
@@ -52,13 +54,15 @@ class V2RayTestService : Service() {
      * @return The start mode.
      */
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
-        when (intent?.getIntExtra("key", 0)) {
+        val message = intent?.serializable<TestServiceMessage>("content") ?: return super.onStartCommand(intent, flags, startId)
+        when (message.key) {
             MSG_MEASURE_CONFIG -> {
-                val subscriptionId = intent.getStringExtra("content").orEmpty()
-                val guidsList = if (subscriptionId.isEmpty()) {
-                    MmkvManager.decodeAllServerList()
+                val guidsList = if (message.serverGuids.isNotEmpty()) {
+                    message.serverGuids
+                } else if (message.subscriptionId.isNotEmpty()) {
+                    MmkvManager.decodeServerList(message.subscriptionId)
                 } else {
-                    MmkvManager.decodeServerList(subscriptionId)
+                    MmkvManager.decodeAllServerList()
                 }
 
                 if (guidsList.isNotEmpty()) {
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/util/MessageUtil.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/util/MessageUtil.kt
index c84443c7..64a2d600 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/util/MessageUtil.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/util/MessageUtil.kt
@@ -5,6 +5,7 @@ import android.content.Context
 import android.content.Intent
 import android.util.Log
 import com.v2ray.ang.AppConfig
+import com.v2ray.ang.dto.TestServiceMessage
 import com.v2ray.ang.service.V2RayTestService
 import java.io.Serializable
 
@@ -37,15 +38,13 @@ object MessageUtil {
      * Sends a message to the test service.
      *
      * @param ctx The context.
-     * @param what The message identifier.
-     * @param content The message content.
+     * @param message The test service message containing key, subscriptionId, and serverGuids.
      */
-    fun sendMsg2TestService(ctx: Context, what: Int, content: Serializable) {
+    fun sendMsg2TestService(ctx: Context, message: TestServiceMessage) {
         try {
             val intent = Intent()
             intent.component = ComponentName(ctx, V2RayTestService::class.java)
-            intent.putExtra("key", what)
-            intent.putExtra("content", content)
+            intent.putExtra("content", message)
             ctx.startService(intent)
         } catch (e: Exception) {
             Log.e(AppConfig.TAG, "Failed to send message to test service", e)
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/MainViewModel.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/MainViewModel.kt
index 4d4fe5d8..3f2042da 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/MainViewModel.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/MainViewModel.kt
@@ -18,6 +18,7 @@ import com.v2ray.ang.dto.GroupMapItem
 import com.v2ray.ang.dto.ServersCache
 import com.v2ray.ang.dto.SubscriptionCache
 import com.v2ray.ang.dto.SubscriptionUpdateResult
+import com.v2ray.ang.dto.TestServiceMessage
 import com.v2ray.ang.extension.serializable
 import com.v2ray.ang.extension.toastError
 import com.v2ray.ang.extension.toastSuccess
@@ -196,7 +197,10 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
      * Tests the real ping for all servers.
      */
     fun testAllRealPing() {
-        MessageUtil.sendMsg2TestService(getApplication(), AppConfig.MSG_MEASURE_CONFIG_CANCEL, "")
+        MessageUtil.sendMsg2TestService(
+            getApplication(),
+            TestServiceMessage(key = AppConfig.MSG_MEASURE_CONFIG_CANCEL)
+        )
         MmkvManager.clearAllTestDelayResults(serversCache.map { it.guid }.toList())
         updateListAction.value = -1
 
@@ -204,7 +208,14 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
             if (serversCache.isEmpty()) {
                 return@launch
             }
-            MessageUtil.sendMsg2TestService(getApplication(), AppConfig.MSG_MEASURE_CONFIG, subscriptionId)
+            MessageUtil.sendMsg2TestService(
+                getApplication(),
+                TestServiceMessage(
+                    key = AppConfig.MSG_MEASURE_CONFIG,
+                    subscriptionId = subscriptionId,
+                    serverGuids = if (keywordFilter.isNotEmpty()) serversCache.map { it.guid } else emptyList()
+                )
+            )
         }
     }