diff --git a/v2rayN/ServiceLib.Tests/CoreConfig/Context/CoreConfigContextBuilderTests.cs b/v2rayN/ServiceLib.Tests/CoreConfig/Context/CoreConfigContextBuilderTests.cs
index 73688f67..6e776c40 100644
--- a/v2rayN/ServiceLib.Tests/CoreConfig/Context/CoreConfigContextBuilderTests.cs
+++ b/v2rayN/ServiceLib.Tests/CoreConfig/Context/CoreConfigContextBuilderTests.cs
@@ -98,7 +98,7 @@ public class CoreConfigContextBuilderTests
 
     private static async Task UpsertProfilesAsync(params ProfileItem[] profiles)
     {
-        SQLiteHelper.Instance.CreateTable<ProfileItem>();
+        TestDatabase.Initialize();
         foreach (var profile in profiles)
         {
             await SQLiteHelper.Instance.ReplaceAsync(profile);
diff --git a/v2rayN/ServiceLib.Tests/Handler/ConfigHandlerCustomSubscriptionTests.cs b/v2rayN/ServiceLib.Tests/Handler/ConfigHandlerCustomSubscriptionTests.cs
index b0cb07c6..45d42812 100644
--- a/v2rayN/ServiceLib.Tests/Handler/ConfigHandlerCustomSubscriptionTests.cs
+++ b/v2rayN/ServiceLib.Tests/Handler/ConfigHandlerCustomSubscriptionTests.cs
@@ -16,8 +16,7 @@ public class ConfigHandlerCustomSubscriptionTests
     {
         var config = CoreConfigTestFactory.CreateConfig();
         CoreConfigTestFactory.BindAppManagerConfig(config);
-        SQLiteHelper.Instance.CreateTable<SubItem>();
-        SQLiteHelper.Instance.CreateTable<ProfileItem>();
+        TestDatabase.Initialize();
 
         var subId = $"sub-{Guid.NewGuid():N}";
         await SQLiteHelper.Instance.ReplaceAsync(new SubItem
@@ -50,8 +49,7 @@ public class ConfigHandlerCustomSubscriptionTests
     {
         var config = CoreConfigTestFactory.CreateConfig();
         CoreConfigTestFactory.BindAppManagerConfig(config);
-        SQLiteHelper.Instance.CreateTable<SubItem>();
-        SQLiteHelper.Instance.CreateTable<ProfileItem>();
+        TestDatabase.Initialize();
 
         var subId = $"sub-failed-{Guid.NewGuid():N}";
         await SQLiteHelper.Instance.ReplaceAsync(new SubItem
diff --git a/v2rayN/ServiceLib.Tests/Helper/SQLiteHelperTests.cs b/v2rayN/ServiceLib.Tests/Helper/SQLiteHelperTests.cs
index ca0c2b3a..36eacc8e 100644
--- a/v2rayN/ServiceLib.Tests/Helper/SQLiteHelperTests.cs
+++ b/v2rayN/ServiceLib.Tests/Helper/SQLiteHelperTests.cs
@@ -13,6 +13,33 @@ public class SQLiteHelperTests
         return database;
     });
 
+    [Test]
+    public async Task RepeatedSharedSchemaInitialization_ShouldSucceedDuringAnExclusiveTransaction()
+    {
+        TestDatabase.Initialize();
+        var database = Database.Value;
+        var item = new SubItem { Id = Guid.NewGuid().ToString("N"), Remarks = "schema-init", Url = "http://127.0.0.1/sub" };
+        await database.InsertAsync(item);
+        try
+        {
+            await database.ExecuteAsync("BEGIN EXCLUSIVE");
+            try
+            {
+                TestDatabase.Initialize();
+                var saved = await database.TableAsync<SubItem>().Where(row => row.Id == item.Id).FirstAsync();
+                await saved.Id.Should().BeEqualTo(item.Id);
+            }
+            finally
+            {
+                await database.ExecuteAsync("ROLLBACK");
+            }
+        }
+        finally
+        {
+            await database.DeleteAsync(item);
+        }
+    }
+
     [Test]
     public async Task SingleWrites_ShouldPreserveValuesAndDeleteByPrimaryKey()
     {
diff --git a/v2rayN/ServiceLib.Tests/Manager/ProfileExManagerPersistenceTests.cs b/v2rayN/ServiceLib.Tests/Manager/ProfileExManagerPersistenceTests.cs
index fda14d9b..e45dfa8b 100644
--- a/v2rayN/ServiceLib.Tests/Manager/ProfileExManagerPersistenceTests.cs
+++ b/v2rayN/ServiceLib.Tests/Manager/ProfileExManagerPersistenceTests.cs
@@ -5,7 +5,7 @@ public class ProfileExManagerPersistenceTests
     [Test]
     public async Task SaveTo_NewProfilesWithRepeatedResults_ShouldPersistEveryProfile()
     {
-        SQLiteHelper.Instance.CreateTable<ProfileExItem>();
+        TestDatabase.Initialize();
         var manager = new ProfileExManager();
         var ids = Enumerable.Range(0, 3).Select(_ => Guid.NewGuid().ToString("N")).ToArray();
 
@@ -46,7 +46,7 @@ public class ProfileExManagerPersistenceTests
     [Test]
     public async Task SaveTo_MixedNewAndExistingProfiles_ShouldInsertAndUpdateResults()
     {
-        SQLiteHelper.Instance.CreateTable<ProfileExItem>();
+        TestDatabase.Initialize();
         var manager = new ProfileExManager();
         var existingId = Guid.NewGuid().ToString("N");
         var newId = Guid.NewGuid().ToString("N");
diff --git a/v2rayN/ServiceLib.Tests/TestDatabase.cs b/v2rayN/ServiceLib.Tests/TestDatabase.cs
new file mode 100644
index 00000000..befd79cf
--- /dev/null
+++ b/v2rayN/ServiceLib.Tests/TestDatabase.cs
@@ -0,0 +1,15 @@
+namespace ServiceLib.Tests;
+
+internal static class TestDatabase
+{
+    private static readonly Lazy<SQLiteHelper> Database = new(() =>
+    {
+        var database = SQLiteHelper.Instance;
+        database.CreateTable<SubItem>();
+        database.CreateTable<ProfileItem>();
+        database.CreateTable<ProfileExItem>();
+        return database;
+    });
+
+    public static void Initialize() => _ = Database.Value;
+}