diff --git a/src/Service/Jobs/ChineseNfoRegistry.cs b/src/Service/Jobs/ChineseNfoRegistry.cs
index cea8a55..0d20b0f 100644
--- a/src/Service/Jobs/ChineseNfoRegistry.cs
+++ b/src/Service/Jobs/ChineseNfoRegistry.cs
@@ -48,7 +48,7 @@ public class ChineseNfoRegistry : Registry, IChineseNfoRegistry
         Schedule(() => Job(ignoreLocked: true, ignoreCompleted: true)).ToRunEvery(1).Days();
     }
 
-    public async void Job(
+    public void Job(
         string? path = null,
         string? seasonNumber = null,
         string? episodeNumber = null,
@@ -58,7 +58,17 @@ public class ChineseNfoRegistry : Registry, IChineseNfoRegistry
     {
         try
         {
-            await JobExecute(path, seasonNumber, episodeNumber, ignoreLocked, ignoreCompleted);
+            var lockAll = "lock-all";
+            lock (lockAll)
+            {
+                var lockKey = $"{path}-{seasonNumber}-{episodeNumber}";
+
+                lock (lockKey)
+                {
+                    JobExecute(path, seasonNumber, episodeNumber, ignoreLocked, ignoreCompleted).Wait();
+                }
+            }
+
         }
         catch (Exception e)
         {
@@ -102,7 +112,7 @@ public class ChineseNfoRegistry : Registry, IChineseNfoRegistry
             if (!string.IsNullOrEmpty(requestPath))
             {
                 var latestPath = Path.GetFileName(requestPath) ?? string.Empty;
-                
+
                 if (!tv.Contains(latestPath))
                 {
                     continue;
@@ -130,7 +140,7 @@ public class ChineseNfoRegistry : Registry, IChineseNfoRegistry
 
                 foreach (var seasonNumber in sseasonsNumbers)
                 {
-                    var seasonNfo = Path.Combine(Path.GetDirectoryName(tv) ?? string.Empty,$"Season {seasonNumber}", "season.nfo");
+                    var seasonNfo = Path.Combine(Path.GetDirectoryName(tv) ?? string.Empty, $"Season {seasonNumber}", "season.nfo");
 
                     await File.WriteAllTextAsync(seasonNfo, string.Format(
 """
@@ -188,10 +198,10 @@ public class ChineseNfoRegistry : Registry, IChineseNfoRegistry
                         var episodeNumber = Path.GetFileName(episode)
                             .Split(split, StringSplitOptions.None)[1]
                             .Split(" - ", StringSplitOptions.None)[0];
-                        
+
                         if (!string.IsNullOrEmpty(requestEpisodeNumber))
                         {
-                            if (int.Parse(episodeNumber).ToString() !=  requestEpisodeNumber)
+                            if (int.Parse(episodeNumber).ToString() != requestEpisodeNumber)
                             {
                                 continue;
                             }
diff --git a/src/WebApi/Controllers/JobTriggerController.cs b/src/WebApi/Controllers/JobTriggerController.cs
index 0be2b9d..eacf082 100644
--- a/src/WebApi/Controllers/JobTriggerController.cs
+++ b/src/WebApi/Controllers/JobTriggerController.cs
@@ -16,6 +16,8 @@ public class JobTriggerController : BaseController
     private readonly IChineseNfoRegistry _chineseNfoRegistry;
     private readonly IDiskMonitorRegistry _diskMonitorRegistry;
 
+    private readonly ILogger<JobTriggerController> _logger;
+
     /// <summary>
     ///     ctor
     /// </summary>
@@ -27,7 +29,8 @@ public class JobTriggerController : BaseController
         IStartupRegistry startupRegistry,
         IShutdownRegistry shutdownRegistry,
         IChineseNfoRegistry chineseNfoRegistry,
-        IDiskMonitorRegistry diskMonitorRegistry)
+        IDiskMonitorRegistry diskMonitorRegistry,
+        ILogger<JobTriggerController> logger)
     {
         _logTotalNotifyJobRegistry = logTotalNotifyJobRegistry;
         _diskActionMonitorRegistry = diskActionMonitorRegistry;
@@ -37,6 +40,7 @@ public class JobTriggerController : BaseController
         _shutdownRegistry = shutdownRegistry;
         _chineseNfoRegistry = chineseNfoRegistry;
         _diskMonitorRegistry = diskMonitorRegistry;
+        _logger = logger;
     }
 
     [HttpGet]
@@ -127,6 +131,13 @@ public class JobTriggerController : BaseController
         var episodeNumber = json?["episodes"]?[0]?["episodeNumber"]?.ToString();
         var path = json?["series"]?["path"]?.ToString();
 
+        _logger.LogInformation("SonarrChangedConvertChineseNfo() path: {path}, seasonNumber: {seasonNumber}, episodeNumber: {episodeNumber}", path, seasonNumber, episodeNumber);
+
+        if (string.IsNullOrEmpty(path) || string.IsNullOrEmpty(seasonNumber) || string.IsNullOrEmpty(episodeNumber))
+        {
+            return "OK";
+        }
+
         _chineseNfoRegistry.Job(path: path, seasonNumber: seasonNumber, episodeNumber: episodeNumber, ignoreLocked: true, ignoreCompleted: true);
 
         return "OK";