diff --git a/common/src/main/java/cn/zbx1425/worldcomment/data/CommentEntry.java b/common/src/main/java/cn/zbx1425/worldcomment/data/CommentEntry.java
index 8779aee..4b08898 100644
--- a/common/src/main/java/cn/zbx1425/worldcomment/data/CommentEntry.java
+++ b/common/src/main/java/cn/zbx1425/worldcomment/data/CommentEntry.java
@@ -46,8 +46,8 @@ public CommentEntry(Player initiator, BlockPos placedAt, int messageType, String
         this.imageUrl = imageUrl;
     }
 
-    public CommentEntry(ResourceLocation level, FriendlyByteBuf src) {
-        fileOffset = src.readerIndex();
+    public CommentEntry(ResourceLocation level, FriendlyByteBuf src, boolean fromFile) {
+        if (fromFile) fileOffset = src.readerIndex();
         id = src.readLong();
         timestamp = src.readLong();
         this.level = level;
@@ -59,7 +59,7 @@ public CommentEntry(ResourceLocation level, FriendlyByteBuf src) {
         message = src.readUtf();
         deleted = src.readBoolean();
         imageUrl = src.readUtf();
-        src.skipBytes(16 - (src.readerIndex() % 16));
+        if (fromFile) src.skipBytes(16 - (src.readerIndex() % 16));
     }
 
     private static UUID uuidFromByteArray(byte[] bytes) {
@@ -67,7 +67,7 @@ private static UUID uuidFromByteArray(byte[] bytes) {
         return new UUID(bb.getLong(), bb.getLong());
     }
 
-    public void writeBuffer(FriendlyByteBuf dst) {
+    public void writeBuffer(FriendlyByteBuf dst, boolean toFile) {
         dst.writeLong(id);
         dst.writeLong(timestamp);
         dst.writeBlockPos(location);
@@ -77,12 +77,12 @@ public void writeBuffer(FriendlyByteBuf dst) {
         dst.writeUtf(message);
         dst.writeBoolean(deleted);
         dst.writeUtf(imageUrl);
-        dst.writeZero(16 - (dst.writerIndex() % 16));
+        if (toFile) dst.writeZero(16 - (dst.writerIndex() % 16));
     }
 
     public void writeFileStream(FileOutputStream oStream) throws IOException {
         FriendlyByteBuf buf = new FriendlyByteBuf(Unpooled.buffer(256));
-        writeBuffer(buf);
+        writeBuffer(buf, true);
         fileOffset = oStream.getChannel().position();
         oStream.write(buf.array(), 0, buf.writerIndex());
     }
diff --git a/common/src/main/java/cn/zbx1425/worldcomment/data/CommentTable.java b/common/src/main/java/cn/zbx1425/worldcomment/data/CommentTable.java
index 59c15af..faa7d44 100644
--- a/common/src/main/java/cn/zbx1425/worldcomment/data/CommentTable.java
+++ b/common/src/main/java/cn/zbx1425/worldcomment/data/CommentTable.java
@@ -40,7 +40,7 @@ public void load() throws IOException {
                         for (Path file : files.toList()) {
                             long region = Long.parseUnsignedLong(file.getFileName().toString().substring(1, 9), 16);
                             byte[] fileContent = Files.readAllBytes(file);
-                            loadRegion(dimension, region, fileContent);
+                            loadRegion(dimension, region, fileContent, true);
                         }
                     }
                 }
@@ -50,12 +50,12 @@ public void load() throws IOException {
         }
     }
 
-    public void loadRegion(ResourceLocation dimension, long region, byte[] data) {
+    public void loadRegion(ResourceLocation dimension, long region, byte[] data, boolean fromFile) {
         synchronized (this) {
             List<CommentEntry> regionEntries = new ArrayList<>();
             FriendlyByteBuf src = new FriendlyByteBuf(Unpooled.wrappedBuffer(data));
             while (src.readerIndex() < data.length) {
-                CommentEntry entry = new CommentEntry(dimension, src);
+                CommentEntry entry = new CommentEntry(dimension, src, fromFile);
                 regionEntries.add(entry);
                 playerIndex.computeIfAbsent(entry.initiator, ignored -> new ArrayList<>())
                         .add(entry);
diff --git a/common/src/main/java/cn/zbx1425/worldcomment/network/PacketRegionDataS2C.java b/common/src/main/java/cn/zbx1425/worldcomment/network/PacketRegionDataS2C.java
index e5f704e..5bf2658 100644
--- a/common/src/main/java/cn/zbx1425/worldcomment/network/PacketRegionDataS2C.java
+++ b/common/src/main/java/cn/zbx1425/worldcomment/network/PacketRegionDataS2C.java
@@ -28,9 +28,8 @@ public static void send(ServerPlayer target, ResourceLocation level, Map<ChunkPo
         for (Map.Entry<ChunkPos, List<CommentEntry>> entry : data.entrySet()) {
             buffer.writeChunkPos(entry.getKey());
             buffer.writeInt(entry.getValue().size());
-            buffer.writeZero(16 - (buffer.writerIndex() % 16));
             for (CommentEntry comment : entry.getValue()) {
-                comment.writeBuffer(buffer);
+                comment.writeBuffer(buffer, false);
             }
         }
         ServerPlatform.sendPacketToPlayer(target, IDENTIFIER, buffer);
@@ -45,10 +44,9 @@ public static void handle(FriendlyByteBuf buffer) {
             for (int i = 0; i < regionSize; i++) {
                 ChunkPos region = buffer.readChunkPos();
                 int commentSize = buffer.readInt();
-                buffer.skipBytes(16 - (buffer.readerIndex() % 16));
                 ArrayList<CommentEntry> comments = new ArrayList<>(commentSize);
                 for (int j = 0; j < commentSize; j++) {
-                    CommentEntry comment = new CommentEntry(level, buffer);
+                    CommentEntry comment = new CommentEntry(level, buffer, false);
                     comments.add(comment);
                 }
                 regions.put(region.toLong(), comments);
diff --git a/common/src/main/java/cn/zbx1425/worldcomment/network/PacketSubmitCommentC2S.java b/common/src/main/java/cn/zbx1425/worldcomment/network/PacketSubmitCommentC2S.java
index cf5f672..3370fcb 100644
--- a/common/src/main/java/cn/zbx1425/worldcomment/network/PacketSubmitCommentC2S.java
+++ b/common/src/main/java/cn/zbx1425/worldcomment/network/PacketSubmitCommentC2S.java
@@ -26,14 +26,14 @@ public static class ClientLogics {
         public static void send(CommentEntry comment) {
             FriendlyByteBuf buffer = new FriendlyByteBuf(Unpooled.buffer());
             buffer.writeResourceLocation(comment.level);
-            comment.writeBuffer(buffer);
+            comment.writeBuffer(buffer, false);
             ClientPlatform.sendPacketToServer(IDENTIFIER, buffer);
         }
     }
 
     public static void handle(MinecraftServer server, ServerPlayer initiator, FriendlyByteBuf buffer) {
         ResourceLocation level = buffer.readResourceLocation();
-        CommentEntry comment = new CommentEntry(level, buffer);
+        CommentEntry comment = new CommentEntry(level, buffer, false);
         if (!comment.initiator.equals(Util.NIL_UUID)
                 && !comment.initiator.equals(initiator.getGameProfile().getId())) {
             return;