diff --git "a/\350\201\212\345\244\251\345\216\206\345\217\262\350\256\260\345\275\225/__init__.py" "b/\350\201\212\345\244\251\345\216\206\345\217\262\350\256\260\345\275\225/__init__.py"
index 4691411f..16f0b7ae 100644
--- "a/\350\201\212\345\244\251\345\216\206\345\217\262\350\256\260\345\275\225/__init__.py"
+++ "b/\350\201\212\345\244\251\345\216\206\345\217\262\350\256\260\345\275\225/__init__.py"
@@ -1,22 +1,32 @@
-from io import TextIOWrapper
+from __future__ import annotations
+
+import re
+import shutil
 from datetime import datetime
-from tooldelta import Plugin, plugin_entry, Player
+from pathlib import Path
+
+from tooldelta import Player, Plugin, plugin_entry
 from tooldelta.constants import PacketIDS
 from tooldelta.utils import packet_transition
 
 
+DAY_LOG_RE = re.compile(r"^(\d{4})-(\d{1,2})-(\d{1,2})\.log$")
+MONTH_DIR_RE = re.compile(r"^(\d{4})年(\d{1,2})月$")
+TIME_PREFIX_RE = re.compile(r"^(?P<month>\d{2})-(?P<day>\d{2}) (?P<time>\d{2}:\d{2}:\d{2}) ")
+
+
 class ChatbarHistory(Plugin):
     name = "聊天历史记录"
-    author = "ToolDelta"
-    version = (0, 0, 1)
+    author = "ToolDelta & Mono"
+    version = (0, 0, 2)
 
     def __init__(self, frame):
         super().__init__(frame)
         self.ListenPlayerJoin(self.on_player_join)
         self.ListenPlayerLeave(self.on_player_leave)
         self.ListenPacket(PacketIDS.Text, self.parse_text)
-        self._logger_fp: TextIOWrapper | None = None
         self.make_data_path()
+        self.migrate_legacy_logs()
 
     def on_player_join(self, player: Player):
         self.log(f"{player.name} (XUID:{player.xuid}) 进入游戏")
@@ -38,16 +48,227 @@ def parse_text(self, pk: dict):
         return False
 
     def log(self, line: str):
-        line = f"{datetime.now().strftime('%m-%d %H:%M:%S')} {line}"
-        self._get_fp().write(line + "\n")
-        self._get_fp().flush()
-
-    def _get_fp(self):
-        if self._logger_fp is None:
-            self._logger_fp = open(
-                self.format_data_path("聊天记录.log"), "a", encoding="utf-8"
-            )
-        return self._logger_fp
+        now = datetime.now()
+        safe_line = self.escape_log_text(line)
+        log_path = self.data_path / f"{now.year}-{now.month:02d}-{now.day:02d}.log"
+        record = f"{now.strftime('%m-%d %H:%M:%S')} {safe_line}\n"
+        with log_path.open("a", encoding="utf-8") as fp:
+            fp.write(record)
+
+    @staticmethod
+    def escape_log_text(line: str) -> str:
+        escaped = (
+            line.replace("\\", "\\\\")
+            .replace("\n", "\\n")
+            .replace("\r", "\\r")
+            .replace("\t", "\\t")
+        )
+        return "".join(
+            f"\\x{ord(ch):02x}" if ord(ch) < 32 or ord(ch) == 127 else ch
+            for ch in escaped
+        )
+
+    def migrate_legacy_logs(self):
+        now = datetime.now()
+        self._migrate_legacy_single_log(now)
+        self._archive_daily_logs(now)
+        self._merge_root_month_directories()
+        self._archive_month_directories(now)
+
+    def _migrate_legacy_single_log(self, now: datetime):
+        legacy_path = self.data_path / "聊天记录.log"
+        if not legacy_path.is_file():
+            return
+
+        target_year = now.year
+        target_month = now.month
+        target_day = now.day
+        try:
+            stat = legacy_path.stat()
+            modified = datetime.fromtimestamp(stat.st_mtime)
+            target_year = modified.year
+            target_month = modified.month
+            target_day = modified.day
+        except OSError:
+            pass
+
+        day_buckets: dict[tuple[int, int, int], list[tuple[str, str]]] = {}
+        try:
+            with legacy_path.open("r", encoding="utf-8") as fp:
+                for raw_line in fp:
+                    line = raw_line.rstrip("\n")
+                    if not line:
+                        day_buckets.setdefault(
+                            (target_year, target_month, target_day), []
+                        ).append(
+                            (
+                                f"{target_month:02d}-{target_day:02d} 00:00:00",
+                                "",
+                            )
+                        )
+                        continue
+
+                    matched = TIME_PREFIX_RE.match(line)
+                    if matched:
+                        month = int(matched.group("month"))
+                        day = int(matched.group("day"))
+                        timestamp = (
+                            f"{matched.group('month')}-{matched.group('day')} "
+                            f"{matched.group('time')}"
+                        )
+                        content = line[matched.end() :]
+                        day_buckets.setdefault((target_year, month, day), []).append(
+                            (timestamp, self.escape_log_text(content))
+                        )
+                    else:
+                        day_buckets.setdefault(
+                            (target_year, target_month, target_day), []
+                        ).append(
+                            (
+                                f"{target_month:02d}-{target_day:02d} 00:00:00",
+                                self.escape_log_text(line),
+                            )
+                        )
+        except OSError:
+            return
+
+        for (year, month, day), lines in sorted(day_buckets.items()):
+            daily_path = self.data_path / f"{year}-{month:02d}-{day:02d}.log"
+            with daily_path.open("a", encoding="utf-8") as fp:
+                for timestamp, content in lines:
+                    fp.write(f"{timestamp} {content}\n")
+
+        legacy_path.unlink(missing_ok=True)
+
+    def _archive_daily_logs(self, now: datetime):
+        month_groups: dict[tuple[int, int], list[Path]] = {}
+        for entry in self.data_path.iterdir():
+            if not entry.is_file():
+                continue
+            matched = DAY_LOG_RE.fullmatch(entry.name)
+            if not matched:
+                continue
+            year = int(matched.group(1))
+            month = int(matched.group(2))
+            if (year, month) >= (now.year, now.month):
+                continue
+            month_groups.setdefault((year, month), []).append(entry)
+
+        for (year, month), files in sorted(month_groups.items()):
+            month_dir = self.data_path / f"{year}年{month}月"
+            month_dir.mkdir(exist_ok=True)
+            for file_path in sorted(files, key=lambda p: p.name):
+                target_path = month_dir / file_path.name
+                if target_path.exists():
+                    self._append_file_contents(file_path, target_path)
+                    file_path.unlink(missing_ok=True)
+                else:
+                    shutil.move(str(file_path), str(target_path))
+            self._merge_month_directory(month_dir, year, month)
+
+    def _merge_root_month_directories(self):
+        for entry in sorted(self.data_path.iterdir(), key=lambda p: p.name):
+            if not entry.is_dir():
+                continue
+            matched = MONTH_DIR_RE.fullmatch(entry.name)
+            if matched is None:
+                continue
+            year = int(matched.group(1))
+            month = int(matched.group(2))
+            self._merge_month_directory(entry, year, month)
+
+    def _archive_month_directories(self, now: datetime):
+        for entry in sorted(self.data_path.iterdir(), key=lambda p: p.name):
+            if not entry.is_dir():
+                continue
+            matched = MONTH_DIR_RE.fullmatch(entry.name)
+            if not matched:
+                continue
+            year = int(matched.group(1))
+            if year >= now.year:
+                continue
+            year_dir = self.data_path / f"{year}年"
+            year_dir.mkdir(exist_ok=True)
+            target_dir = year_dir / entry.name
+            if target_dir.exists():
+                self._merge_existing_month_dir(entry, target_dir)
+                self._merge_month_directory(target_dir, year, int(matched.group(2)))
+                shutil.rmtree(entry, ignore_errors=True)
+            else:
+                shutil.move(str(entry), str(target_dir))
+
+    def _merge_month_directory(self, month_dir: Path, year: int, month: int):
+        day_files = [
+            path
+            for path in month_dir.iterdir()
+            if path.is_file() and DAY_LOG_RE.fullmatch(path.name)
+        ]
+        month_log_path = month_dir / f"{year}年{month}月.log"
+        if not day_files:
+            return
+
+        chunks: list[str] = []
+
+        if month_log_path.exists():
+            try:
+                existing_text = month_log_path.read_text(encoding="utf-8")
+            except OSError:
+                existing_text = ""
+            if existing_text:
+                chunks.append(existing_text.rstrip("\n"))
+
+        for day_file in sorted(day_files, key=lambda p: p.name):
+            matched = DAY_LOG_RE.fullmatch(day_file.name)
+            if matched is None:
+                continue
+            day = int(matched.group(3))
+            try:
+                content = day_file.read_text(encoding="utf-8")
+            except OSError:
+                content = ""
+            header = f"====={year}年{month}月{day}日=====\n\n\n"
+            content = content.rstrip("\n")
+            block = f"{header}{content}"
+            if chunks:
+                chunks.append(f"\n\n\n{block}")
+            else:
+                chunks.append(block)
+
+        merged_content = "".join(chunks)
+        with month_log_path.open("w", encoding="utf-8") as fp:
+            fp.write(merged_content)
+            if merged_content:
+                fp.write("\n")
+
+        for day_file in day_files:
+            day_file.unlink(missing_ok=True)
+
+    def _merge_existing_month_dir(self, source_dir: Path, target_dir: Path):
+        target_dir.mkdir(exist_ok=True)
+        for item in sorted(source_dir.iterdir(), key=lambda p: p.name):
+            target_item = target_dir / item.name
+            if item.is_file():
+                if target_item.exists():
+                    self._append_file_contents(item, target_item)
+                    item.unlink(missing_ok=True)
+                else:
+                    shutil.move(str(item), str(target_item))
+            elif item.is_dir():
+                if target_item.exists():
+                    self._merge_existing_month_dir(item, target_item)
+                    shutil.rmtree(item, ignore_errors=True)
+                else:
+                    shutil.move(str(item), str(target_item))
+
+    @staticmethod
+    def _append_file_contents(source: Path, target: Path):
+        try:
+            content = source.read_text(encoding="utf-8")
+        except OSError:
+            content = ""
+        if content:
+            with target.open("a", encoding="utf-8") as fp:
+                fp.write(content)
 
 
 entry = plugin_entry(ChatbarHistory)
diff --git "a/\350\201\212\345\244\251\345\216\206\345\217\262\350\256\260\345\275\225/datas.json" "b/\350\201\212\345\244\251\345\216\206\345\217\262\350\256\260\345\275\225/datas.json"
index b36a6f5e..b3742d9e 100644
--- "a/\350\201\212\345\244\251\345\216\206\345\217\262\350\256\260\345\275\225/datas.json"
+++ "b/\350\201\212\345\244\251\345\216\206\345\217\262\350\256\260\345\275\225/datas.json"
@@ -1,6 +1,6 @@
 {
   "author": "ToolDelta",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "plugin-type": "classic",
   "description": "记录聊天栏聊天的历史记录",
   "pre-plugins": {},