diff --git a/c#/crawler/src/Db/Post/PostWithContentAndAuthorExpGrade.cs b/c#/crawler/src/Db/Post/PostWithContentAndAuthorExpGrade.cs
index 769ff9fa..470c7463 100644
--- a/c#/crawler/src/Db/Post/PostWithContentAndAuthorExpGrade.cs
+++ b/c#/crawler/src/Db/Post/PostWithContentAndAuthorExpGrade.cs
@@ -1,7 +1,10 @@
 // ReSharper disable PropertyCanBeMadeInitOnly.Global
+// ReSharper disable UnusedAutoPropertyAccessor.Global
 namespace tbm.Crawler.Db.Post;
 
+#pragma warning disable AV1000 // Type name contains the word 'and', which suggests it has multiple purposes
 public abstract class PostWithContentAndAuthorExpGrade : PostWithAuthorExpGrade
+#pragma warning restore AV1000 // Type name contains the word 'and', which suggests it has multiple purposes
 {
     [NotMapped] public byte[]? Content { get; set; }
 
diff --git a/c#/crawler/src/Tieba/Crawl/Parser/Post/ReplyParser.cs b/c#/crawler/src/Tieba/Crawl/Parser/Post/ReplyParser.cs
index 2069b686..b22d6c34 100644
--- a/c#/crawler/src/Tieba/Crawl/Parser/Post/ReplyParser.cs
+++ b/c#/crawler/src/Tieba/Crawl/Parser/Post/ReplyParser.cs
@@ -43,7 +43,9 @@ protected override ReplyPost Convert(Reply inPost)
             throw new InvalidDataException("Reply parse error.", e);
         }
     }
-
+}
+public partial class ReplyParser
+{
     public static void SimplifyImagesInReplyContent<TLoggerCategory>
         (ILogger<TLoggerCategory> logger, ref Reply inPost)
     {
diff --git a/c#/crawler/src/Tieba/Crawl/Saver/ReplyContentImageSaver.cs b/c#/crawler/src/Tieba/Crawl/Saver/ReplyContentImageSaver.cs
index e04fb46e..92d1669f 100644
--- a/c#/crawler/src/Tieba/Crawl/Saver/ReplyContentImageSaver.cs
+++ b/c#/crawler/src/Tieba/Crawl/Saver/ReplyContentImageSaver.cs
@@ -36,7 +36,7 @@ where images.Keys.Contains(e.UrlFilename)
             .Where(pair => GlobalLockedImagesInReplyKeyByUrlFilename.TryAdd(pair.Key, pair.Value))
             .ToDictionary();
         newlyLockedImages.Values()
-            .Where(reply => !Monitor.TryEnter(reply, TimeSpan.FromSeconds(10)))
+            .Where(image => !Monitor.TryEnter(image, TimeSpan.FromSeconds(10)))
             .ForEach(image => logger.LogWarning(
                 "Wait for locking newly locked image {} timed out after 10s", image.UrlFilename));
 
@@ -45,7 +45,7 @@ where images.Keys.Contains(e.UrlFilename)
                 .Keys().Except(newlyLockedImages.Keys()))
             .ToDictionary();
         alreadyLockedImages.Values()
-            .Where(reply => !Monitor.TryEnter(reply, TimeSpan.FromSeconds(10)))
+            .Where(image => !Monitor.TryEnter(image, TimeSpan.FromSeconds(10)))
             .ForEach(image => logger.LogWarning(
                 "Wait for locking already locked image {} timed out after 10s", image.UrlFilename));
         if (alreadyLockedImages.Count != 0)
diff --git a/c#/shared/src/Db/TbmDbContext.cs b/c#/shared/src/Db/TbmDbContext.cs
index 68355e07..01a5396d 100644
--- a/c#/shared/src/Db/TbmDbContext.cs
+++ b/c#/shared/src/Db/TbmDbContext.cs
@@ -130,6 +130,7 @@ private static void ManipulateCommand(DbCommand command) =>
                 "RETURNING pg_current_xact_id()::xid");
     }
 }
+
 public class TbmDbContext<TModelCacheKeyFactory>(ILogger<TbmDbContext<TModelCacheKeyFactory>> logger)
     : TbmDbContext(logger)
     where TModelCacheKeyFactory : class, IModelCacheKeyFactory
diff --git a/c#/shared/src/TransformEntityWorker.cs b/c#/shared/src/TransformEntityWorker.cs
index 757a7c6c..a88c9bc6 100644
--- a/c#/shared/src/TransformEntityWorker.cs
+++ b/c#/shared/src/TransformEntityWorker.cs
@@ -58,7 +58,7 @@ async Task SaveThenLog(int processedCount, Process currentProcess)
             logger.LogTrace("processedEntityCount:{} updatedEntityCount:{} elapsed:{}ms processMemory:{}MiB exceptions:{}",
                 processedCount, updatedEntityCount,
                 stopwatch.ElapsedMilliseconds,
-                currentProcess.PrivateMemorySize64 / 1024 / 1024,
+                currentProcess.PrivateMemorySize64 / 1024f / 1024,
                 JsonSerializer.Serialize(exceptions, JsonSerializerOptions));
             stopwatch.Restart();
         }