From 9fe7419467ee06e5d8c76b6f4a071eeac651f8cc Mon Sep 17 00:00:00 2001
From: mosayeb <angashtemosayeb@gmail.com>
Date: Wed, 3 Jan 2024 11:15:00 -0800
Subject: [PATCH] fix a bug(ConcurrentModificationException)

---
 .../src/main/kotlin/com/v2ray/ang/viewmodel/MainViewModel.kt  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/MainViewModel.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/MainViewModel.kt
index eeae055fc..8a1e05ce4 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/MainViewModel.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/viewmodel/MainViewModel.kt
@@ -140,9 +140,11 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
         MmkvManager.clearAllTestDelayResults()
         updateListAction.value = -1 // update all
 
+        val serversCopy = serversCache.toList() // Create a copy of the list
+
         getApplication<AngApplication>().toast(R.string.connection_test_testing)
         viewModelScope.launch(Dispatchers.Default) { // without Dispatchers.Default viewModelScope will launch in main thread
-            for (item in serversCache) {
+            for (item in serversCopy) {
                 val config = V2rayConfigUtil.getV2rayConfig(getApplication(), item.guid)
                 if (config.status) {
                     MessageUtil.sendMsg2TestService(getApplication(), AppConfig.MSG_MEASURE_CONFIG, Pair(item.guid, config.content))