Fix compile issue.

Author: Oceania2018

BotSharp.sln

@@ -123,6 +123,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.Plugin.VertexAI",
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.Core.Crontab", "src\Infrastructure\BotSharp.Core.Crontab\BotSharp.Core.Crontab.csproj", "{F812BAAE-5A7D-4DF7-8E71-70696B51C61F}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.Core.Rules", "src\Infrastructure\BotSharp.Core.Rules\BotSharp.Core.Rules.csproj", "{AFD64412-4D6A-452E-82A2-79E5D8842E29}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -499,6 +501,14 @@ Global
 		{F812BAAE-5A7D-4DF7-8E71-70696B51C61F}.Release|Any CPU.Build.0 = Release|Any CPU
 		{F812BAAE-5A7D-4DF7-8E71-70696B51C61F}.Release|x64.ActiveCfg = Release|Any CPU
 		{F812BAAE-5A7D-4DF7-8E71-70696B51C61F}.Release|x64.Build.0 = Release|Any CPU
+		{AFD64412-4D6A-452E-82A2-79E5D8842E29}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AFD64412-4D6A-452E-82A2-79E5D8842E29}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AFD64412-4D6A-452E-82A2-79E5D8842E29}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{AFD64412-4D6A-452E-82A2-79E5D8842E29}.Debug|x64.Build.0 = Debug|Any CPU
+		{AFD64412-4D6A-452E-82A2-79E5D8842E29}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AFD64412-4D6A-452E-82A2-79E5D8842E29}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AFD64412-4D6A-452E-82A2-79E5D8842E29}.Release|x64.ActiveCfg = Release|Any CPU
+		{AFD64412-4D6A-452E-82A2-79E5D8842E29}.Release|x64.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -558,6 +568,7 @@ Global
 		{6D3A54F9-4792-41DB-BE7D-4F7B1D918EAE} = {E29DC6C4-5E57-48C5-BCB0-6B8F84782749}
 		{7DA2DCD0-551B-432E-AA5C-22DDD3ED459B} = {D5293208-2BEF-42FC-A64C-5954F61720BA}
 		{F812BAAE-5A7D-4DF7-8E71-70696B51C61F} = {E29DC6C4-5E57-48C5-BCB0-6B8F84782749}
+		{AFD64412-4D6A-452E-82A2-79E5D8842E29} = {E29DC6C4-5E57-48C5-BCB0-6B8F84782749}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {A9969D89-C98B-40A5-A12B-FC87E55B3A19}

src/Infrastructure/BotSharp.Core/Infrastructures/DistributedLocker.cs

@@ -19,7 +19,14 @@ public async Task<bool> LockAsync(string resource, Func<Task> action, int timeou
     {
         var timeout = TimeSpan.FromSeconds(timeoutInSeconds);
 
-        var redis = _services.GetRequiredService<IConnectionMultiplexer>();
+        var redis = _services.GetService<IConnectionMultiplexer>();
+        if (redis == null)
+        {
+            _logger.LogWarning($"The Redis server is experiencing issues and is not functioning as expected.");
+            await action();
+            return true;
+        }
+
         var @lock = new RedisDistributedLock(resource, redis.GetDatabase());
         await using (var handle = await @lock.TryAcquireAsync(timeout))
         {