diff --git a/pytests/image_sys_test/emoji_manager_test.py b/pytests/image_sys_test/emoji_manager_test.py
index f9877558..7c50e9e8 100644
--- a/pytests/image_sys_test/emoji_manager_test.py
+++ b/pytests/image_sys_test/emoji_manager_test.py
@@ -54,7 +54,7 @@ def _install_stub_modules(monkeypatch):
         file_name: str = ""
         description: str | None = None
         emotion: list[str] | None = None
-        emoji_hash: str | None = None
+        file_hash: str | None = None
         is_deleted: bool = False
         query_count: int = 0
         register_time: object | None = None
@@ -831,7 +831,7 @@ def test_delete_emoji_file_missing_and_db_record_missing(monkeypatch):
     emoji = emoji_manager_new.MaiEmoji()
     emoji.full_path = _DummyPath()
     emoji.file_name = "missing.png"
-    emoji.emoji_hash = "hash-missing"
+    emoji.file_hash = "hash-missing"
 
     result = manager.delete_emoji(emoji)
 
@@ -859,7 +859,7 @@ def test_delete_emoji_file_delete_error(monkeypatch):
     emoji = emoji_manager_new.MaiEmoji()
     emoji.full_path = _DummyPath()
     emoji.file_name = "boom.png"
-    emoji.emoji_hash = "hash-boom"
+    emoji.file_hash = "hash-boom"
 
     result = manager.delete_emoji(emoji)
 
@@ -915,7 +915,7 @@ def test_delete_emoji_db_error_file_still_exists(monkeypatch):
     emoji = emoji_manager_new.MaiEmoji()
     emoji.full_path = _DummyPath()
     emoji.file_name = "keep.png"
-    emoji.emoji_hash = "hash-keep"
+    emoji.file_hash = "hash-keep"
 
     result = manager.delete_emoji(emoji)
 
@@ -988,7 +988,7 @@ def test_delete_emoji_success(monkeypatch):
     emoji = emoji_manager_new.MaiEmoji()
     emoji.full_path = _DummyPath()
     emoji.file_name = "ok.png"
-    emoji.emoji_hash = "hash-ok"
+    emoji.file_hash = "hash-ok"
 
     result = manager.delete_emoji(emoji)
 
@@ -1043,7 +1043,7 @@ def test_update_emoji_usage_success(monkeypatch):
     monkeypatch.setattr(emoji_manager_new, "get_db_session", _get_db_session)
 
     emoji = emoji_manager_new.MaiEmoji()
-    emoji.emoji_hash = "hash-ok"
+    emoji.file_hash = "hash-ok"
 
     result = manager.update_emoji_usage(emoji)
 
@@ -1090,7 +1090,7 @@ def test_update_emoji_usage_missing_record(monkeypatch):
     monkeypatch.setattr(emoji_manager_new, "get_db_session", _get_db_session)
 
     emoji = emoji_manager_new.MaiEmoji()
-    emoji.emoji_hash = "hash-missing"
+    emoji.file_hash = "hash-missing"
 
     result = manager.update_emoji_usage(emoji)
 
@@ -1129,7 +1129,7 @@ def test_update_emoji_usage_execute_error(monkeypatch):
     monkeypatch.setattr(emoji_manager_new, "get_db_session", _get_db_session)
 
     emoji = emoji_manager_new.MaiEmoji()
-    emoji.emoji_hash = "hash-execute"
+    emoji.file_hash = "hash-execute"
 
     result = manager.update_emoji_usage(emoji)
 
@@ -1148,7 +1148,7 @@ def test_update_emoji_usage_get_db_session_error(monkeypatch):
     monkeypatch.setattr(emoji_manager_new, "get_db_session", _get_db_session)
 
     emoji = emoji_manager_new.MaiEmoji()
-    emoji.emoji_hash = "hash-session"
+    emoji.file_hash = "hash-session"
 
     result = manager.update_emoji_usage(emoji)
 
@@ -1264,7 +1264,7 @@ async def test_build_emoji_description_calls_hash_and_sets_description(monkeypat
     )
 
     emoji = emoji_manager_new.MaiEmoji()
-    emoji.emoji_hash = None
+    emoji.file_hash = None
     emoji._format = "png"
     emoji.full_path = Path("/tmp/a.png")
 
@@ -1292,7 +1292,7 @@ async def test_build_emoji_description_gif_conversion_error(monkeypatch):
     monkeypatch.setattr(emoji_manager_new.ImageUtils, "gif_2_static_image", staticmethod(_gif_to_static))
 
     emoji = emoji_manager_new.MaiEmoji()
-    emoji.emoji_hash = "hash"
+    emoji.file_hash = "hash"
     emoji._format = "gif"
     emoji.full_path = Path("/tmp/a.gif")
 
@@ -1330,7 +1330,7 @@ async def test_build_emoji_description_content_filtration_reject(monkeypatch):
     )
 
     emoji = emoji_manager_new.MaiEmoji()
-    emoji.emoji_hash = "hash"
+    emoji.file_hash = "hash"
     emoji._format = "png"
     emoji.full_path = Path("/tmp/a.png")
 
@@ -1365,7 +1365,7 @@ async def test_build_emoji_description_content_filtration_pass(monkeypatch):
     )
 
     emoji = emoji_manager_new.MaiEmoji()
-    emoji.emoji_hash = "hash"
+    emoji.file_hash = "hash"
     emoji._format = "png"
     emoji.full_path = Path("/tmp/a.png")
 
@@ -1394,7 +1394,7 @@ async def test_build_emoji_description_vlm_exception_propagates(monkeypatch):
     )
 
     emoji = emoji_manager_new.MaiEmoji()
-    emoji.emoji_hash = "hash"
+    emoji.file_hash = "hash"
     emoji._format = "png"
     emoji.full_path = Path("/tmp/a.png")
 
@@ -1738,7 +1738,7 @@ async def test_register_emoji_by_filename_duplicate_hash(monkeypatch, tmp_path):
 
     class _Emoji(emoji_manager_new.MaiEmoji):
         async def calculate_hash_format(self):
-            self.emoji_hash = "hash-dup"
+            self.file_hash = "hash-dup"
             self.full_path = file_path
             return True
 
@@ -1765,7 +1765,7 @@ async def test_register_emoji_by_filename_build_description_failed(monkeypatch,
 
     class _Emoji(emoji_manager_new.MaiEmoji):
         async def calculate_hash_format(self):
-            self.emoji_hash = "hash-desc"
+            self.file_hash = "hash-desc"
             self.full_path = file_path
             return True
 
@@ -1793,7 +1793,7 @@ async def test_register_emoji_by_filename_build_emotion_failed(monkeypatch, tmp_
 
     class _Emoji(emoji_manager_new.MaiEmoji):
         async def calculate_hash_format(self):
-            self.emoji_hash = "hash-emo"
+            self.file_hash = "hash-emo"
             self.full_path = file_path
             return True
 
@@ -1827,7 +1827,7 @@ async def test_register_emoji_by_filename_capacity_replace_failed(monkeypatch, t
 
     class _Emoji(emoji_manager_new.MaiEmoji):
         async def calculate_hash_format(self):
-            self.emoji_hash = "hash-full"
+            self.file_hash = "hash-full"
             self.full_path = file_path
             return True
 
@@ -1866,7 +1866,7 @@ async def test_register_emoji_by_filename_capacity_replace_success(monkeypatch,
 
     class _Emoji(emoji_manager_new.MaiEmoji):
         async def calculate_hash_format(self):
-            self.emoji_hash = "hash-full-ok"
+            self.file_hash = "hash-full-ok"
             self.full_path = file_path
             return True
 
@@ -1904,7 +1904,7 @@ async def test_register_emoji_by_filename_register_db_failed(monkeypatch, tmp_pa
 
     class _Emoji(emoji_manager_new.MaiEmoji):
         async def calculate_hash_format(self):
-            self.emoji_hash = "hash-db-fail"
+            self.file_hash = "hash-db-fail"
             self.full_path = file_path
             return True
 
@@ -1939,7 +1939,7 @@ async def test_register_emoji_by_filename_register_db_success(monkeypatch, tmp_p
 
     class _Emoji(emoji_manager_new.MaiEmoji):
         async def calculate_hash_format(self):
-            self.emoji_hash = "hash-db-ok"
+            self.file_hash = "hash-db-ok"
             self.full_path = file_path
             self.file_name = "db-ok.png"
             return True
diff --git a/src/chat/emoji_system/emoji_manager.py b/src/chat/emoji_system/emoji_manager.py
index c95c2fef..798cf411 100644
--- a/src/chat/emoji_system/emoji_manager.py
+++ b/src/chat/emoji_system/emoji_manager.py
@@ -144,12 +144,12 @@ class EmojiManager:
         # 删除数据库记录
         try:
             with get_db_session() as session:
-                statement = select(Images).filter_by(image_hash=emoji.emoji_hash, image_type=ImageType.EMOJI).limit(1)
+                statement = select(Images).filter_by(image_hash=emoji.file_hash, image_type=ImageType.EMOJI).limit(1)
                 if image_record := session.exec(statement).first():
                     session.delete(image_record)
-                    logger.info(f"[删除表情包] 成功删除数据库中的表情包记录: {emoji.emoji_hash}")
+                    logger.info(f"[删除表情包] 成功删除数据库中的表情包记录: {emoji.file_hash}")
                 else:
-                    logger.warning(f"[删除表情包] 数据库中未找到表情包记录: {emoji.emoji_hash}")
+                    logger.warning(f"[删除表情包] 数据库中未找到表情包记录: {emoji.file_hash}")
         except Exception as e:
             logger.error(f"[删除表情包] 删除数据库记录时出错: {e}")
             # 如果数据库记录删除失败，但文件可能已删除，记录一个警告
@@ -170,14 +170,14 @@ class EmojiManager:
         """
         try:
             with get_db_session() as session:
-                statement = select(Images).filter_by(image_hash=emoji.emoji_hash, image_type=ImageType.EMOJI).limit(1)
+                statement = select(Images).filter_by(image_hash=emoji.file_hash, image_type=ImageType.EMOJI).limit(1)
                 if image_record := session.exec(statement).first():
                     image_record.query_count += 1
                     image_record.last_used_time = datetime.now()
                     session.add(image_record)
-                    logger.info(f"[记录表情包使用] 成功记录表情包使用: {emoji.emoji_hash}")
+                    logger.info(f"[记录表情包使用] 成功记录表情包使用: {emoji.file_hash}")
                 else:
-                    logger.error(f"[记录表情包使用] 未找到表情包记录: {emoji.emoji_hash}")
+                    logger.error(f"[记录表情包使用] 未找到表情包记录: {emoji.file_hash}")
                     return False
         except Exception as e:
             logger.error(f"[记录表情包使用] 记录使用时出错: {e}")
@@ -194,7 +194,7 @@ class EmojiManager:
             return (Optional[MaiEmoji]): 返回表情包对象，如果未找到则返回 None
         """
         for emoji in self.emojis:
-            if emoji.emoji_hash == emoji_hash and not emoji.is_deleted:
+            if emoji.file_hash == emoji_hash and not emoji.is_deleted:
                 return emoji
         logger.info(f"[获取表情包] 未找到哈希值为 {emoji_hash} 的表情包")
         return None
@@ -210,8 +210,8 @@ class EmojiManager:
         """
         try:
             with get_db_session() as session:
-                statement = select(Images).filter_by(image_hash=emoji_hash, image_type=ImageType.EMOJI)
-                if image_record := session.execute(statement).scalars().first():
+                statement = select(Images).filter_by(image_hash=emoji_hash, image_type=ImageType.EMOJI).limit(1)
+                if image_record := session.exec(statement).first():
                     return MaiEmoji.from_db_instance(image_record)
                 logger.info(f"[数据库] 未找到哈希值为 {emoji_hash} 的表情包记录")
                 return None
@@ -224,7 +224,7 @@ class EmojiManager:
         根据文本情感标签获取合适的表情包
 
         Args:
-            text_emotion (str): 文本的情感标签
+            emotion_label (str): 文本的情感标签
         Returns:
             return (Optional[MaiEmoji]): 返回表情包对象，如果未找到则返回 None
         """
@@ -320,7 +320,7 @@ class EmojiManager:
         Returns:
             return (Tuple[bool, MaiEmoji]): 返回是否成功构建描述，及表情包对象
         """
-        if not target_emoji.emoji_hash:
+        if not target_emoji.file_hash:
             # Should not happen, but just in case
             await target_emoji.calculate_hash_format()
 
@@ -502,7 +502,7 @@ class EmojiManager:
             return False
         file_full_path = target_emoji.full_path  # 更新为可能修正后的路径
         # 2. 检查是否已经存在过
-        if existing_emoji := self.get_emoji_by_hash(target_emoji.emoji_hash):
+        if existing_emoji := self.get_emoji_by_hash(target_emoji.file_hash):
             logger.warning(f"[注册表情包] 表情包已存在，跳过注册: {existing_emoji.file_name}")
             return False
         # 3. 构建描述
diff --git a/src/common/data_models/image_data_model.py b/src/common/data_models/image_data_model.py
index 03bdd83d..a7b3fb4f 100644
--- a/src/common/data_models/image_data_model.py
+++ b/src/common/data_models/image_data_model.py
@@ -20,6 +20,20 @@ logger = get_logger("emoji")
 
 
 class BaseImageDataModel(BaseDatabaseDataModel[Images]):
+    def __init__(self, full_path: str | Path, image_bytes: Optional[bytes] = None):
+        if not full_path:
+            # 创建时候即检测文件路径合法性
+            raise ValueError("表情包路径不能为空")
+        if Path(full_path).is_dir() or not Path(full_path).exists():
+            raise FileNotFoundError(f"表情包路径无效: {full_path}")
+        resolved_path = Path(full_path).absolute().resolve()
+        self.full_path: Path = resolved_path
+        self.dir_path: Path = resolved_path.parent.resolve()
+        self.file_name: str = resolved_path.name
+        self.file_hash: str = None  # type: ignore
+
+        self.image_bytes: Optional[bytes] = image_bytes
+
     def read_image_bytes(self, path: Path) -> bytes:
         """
         同步读取图片文件的字节内容
@@ -65,55 +79,6 @@ class BaseImageDataModel(BaseDatabaseDataModel[Images]):
             logger.error(f"[获取图片格式] 读取图片格式时发生错误: {e}")
             raise e
 
-
-class MaiEmoji(BaseImageDataModel):
-    def __init__(self, full_path: str | Path):
-        if not full_path:
-            # 创建时候即检测文件路径合法性
-            raise ValueError("表情包路径不能为空")
-        if Path(full_path).is_dir() or not Path(full_path).exists():
-            raise FileNotFoundError(f"表情包路径无效: {full_path}")
-        resolved_path = Path(full_path).absolute().resolve()
-        self.full_path: Path = resolved_path
-        self.dir_path: Path = resolved_path.parent.resolve()
-        self.file_name: str = resolved_path.name
-        # self.embedding = []
-        self.emoji_hash: str = None  # type: ignore
-        self.description = ""
-        self.emotion: List[str] = []
-        self.query_count = 0
-        self.register_time: Optional[datetime] = None
-        self.last_used_time: Optional[datetime] = None
-
-        # 私有属性
-        self.is_deleted = False
-        self._format: str = ""  # 图片格式
-
-    @classmethod
-    def from_db_instance(cls, db_record: Images):
-        obj = cls(db_record.full_path)
-        obj.emoji_hash = db_record.image_hash
-        obj.description = db_record.description
-        if db_record.emotion:
-            obj.emotion = db_record.emotion.split(",")
-        obj.query_count = db_record.query_count
-        obj.last_used_time = db_record.last_used_time
-        obj.register_time = db_record.register_time
-        return obj
-
-    def to_db_instance(self) -> Images:
-        emotion_str = ",".join(self.emotion) if self.emotion else None
-        return Images(
-            image_hash=self.emoji_hash,
-            description=self.description,
-            full_path=str(self.full_path),
-            image_type=ImageType.EMOJI,
-            emotion=emotion_str,
-            query_count=self.query_count,
-            last_used_time=self.last_used_time,
-            register_time=self.register_time,
-        )
-
     async def calculate_hash_format(self) -> bool:
         """
         异步计算表情包的哈希值和格式
@@ -121,13 +86,17 @@ class MaiEmoji(BaseImageDataModel):
         Returns:
             return (bool): 如果成功计算哈希值和格式则返回True，否则返回False
         """
-        logger.debug(f"[初始化] 正在读取文件: {self.full_path}")
+
         try:
             # 计算哈希值
             logger.debug(f"[初始化] 计算 {self.file_name} 的哈希值...")
-            image_bytes = await asyncio.to_thread(self.read_image_bytes, self.full_path)
-            self.emoji_hash = hashlib.sha256(image_bytes).hexdigest()
-            logger.debug(f"[初始化] {self.file_name} 计算哈希值成功: {self.emoji_hash}")
+            if not self.image_bytes:
+                logger.debug(f"[初始化] 正在读取文件: {self.full_path}")
+                image_bytes = await asyncio.to_thread(self.read_image_bytes, self.full_path)
+            else:
+                image_bytes = self.image_bytes
+            self.file_hash = hashlib.sha256(image_bytes).hexdigest()
+            logger.debug(f"[初始化] {self.file_name} 计算哈希值成功: {self.file_hash}")
 
             # 用PIL读取图片格式
             logger.debug(f"[初始化] 读取 {self.file_name} 的图片格式...")
@@ -146,7 +115,47 @@ class MaiEmoji(BaseImageDataModel):
 
             return True
         except Exception as e:
-            logger.error(f"[初始化] 初始化表情包时发生错误: {e}")
+            logger.error(f"[初始化] 初始化图片时发生错误: {e}")
             logger.error(traceback.format_exc())
             self.is_deleted = True
             return False
+
+
+class MaiEmoji(BaseImageDataModel):
+    def __init__(self, full_path: str | Path, image_bytes: Optional[bytes] = None):
+        # self.embedding = []
+        self.description = ""
+        self.emotion: List[str] = []
+        self.query_count = 0
+        self.register_time: Optional[datetime] = None
+        self.last_used_time: Optional[datetime] = None
+
+        # 私有属性
+        self.is_deleted = False
+        self._format: str = ""  # 图片格式
+        super().__init__(full_path, image_bytes)
+
+    @classmethod
+    def from_db_instance(cls, db_record: Images):
+        obj = cls(db_record.full_path)
+        obj.file_hash = db_record.image_hash
+        obj.description = db_record.description
+        if db_record.emotion:
+            obj.emotion = db_record.emotion.split(",")
+        obj.query_count = db_record.query_count
+        obj.last_used_time = db_record.last_used_time
+        obj.register_time = db_record.register_time
+        return obj
+
+    def to_db_instance(self) -> Images:
+        emotion_str = ",".join(self.emotion) if self.emotion else None
+        return Images(
+            image_hash=self.file_hash,
+            description=self.description,
+            full_path=str(self.full_path),
+            image_type=ImageType.EMOJI,
+            emotion=emotion_str,
+            query_count=self.query_count,
+            last_used_time=self.last_used_time,
+            register_time=self.register_time,
+        )