diff --git a/src/plugin_system/apis/mood_api.py b/src/plugin_system/apis/mood_api.py
index 612fb8b4e..d7afd3ed0 100644
--- a/src/plugin_system/apis/mood_api.py
+++ b/src/plugin_system/apis/mood_api.py
@@ -47,16 +47,23 @@ def get_mood(chat_id: str) -> str:
     return chat_mood.mood_state
 
 
-def set_mood(chat_id: str, new_mood: str):
+def set_mood(chat_id: str, new_mood: str) -> bool:
     """强制设定指定聊天的新情绪状态
 
     Args:
         chat_id (str): 聊天ID
         new_mood (str): 新的情绪状态
+    Returns:
+        bool: 操作是否成功
     """
-    chat_mood = mood_manager.get_mood_by_chat_id(chat_id)
-    chat_mood.mood_state = new_mood
-    logger.info(f"[{chat_id}] 情绪状态被强制设置为: {new_mood}")
+    try:
+        chat_mood = mood_manager.get_mood_by_chat_id(chat_id)
+        chat_mood.mood_state = new_mood
+        logger.info(f"[{chat_id}] 情绪状态被强制设置为: {new_mood}")
+        return True
+    except Exception as e:
+        logger.error(f"强制设定指定聊天的新情绪状态时发生错误:{e}")
+        return False
 
 
 async def lock_mood(chat_id: str, duration: float | None = None):
@@ -66,30 +73,39 @@ async def lock_mood(chat_id: str, duration: float | None = None):
     Args:
         chat_id (str): 聊天ID
         duration (Optional[float]): 锁定时长（秒）。如果为 None，则永久锁定直到手动解锁。
+    Returns:
+        bool: 操作是否成功
     """
-    if chat_id in _unlock_tasks:
-        _unlock_tasks[chat_id].cancel()
-        del _unlock_tasks[chat_id]
+    try:
+        if chat_id in _unlock_tasks:
+            _unlock_tasks[chat_id].cancel()
+            del _unlock_tasks[chat_id]
 
-    mood_manager.insomnia_chats.add(chat_id)
-    logger.info(f"[{chat_id}] 情绪已锁定。")
+        mood_manager.insomnia_chats.add(chat_id)
+        logger.info(f"[{chat_id}] 情绪已锁定。")
 
-    if duration:
-        logger.info(f"[{chat_id}] 情绪将于 {duration} 秒后自动解锁。")
+        if duration:
+            logger.info(f"[{chat_id}] 情绪将于 {duration} 秒后自动解锁。")
 
-        async def _unlock_after():
-            await asyncio.sleep(duration)
-            if chat_id in mood_manager.insomnia_chats:
-                await unlock_mood(chat_id)
-                logger.info(f"[{chat_id}] 情绪已自动解锁。")
-
-        task = asyncio.create_task(_unlock_after())
-        _unlock_tasks[chat_id] = task
+            async def _unlock_after():
+                await asyncio.sleep(duration)
+                if chat_id in mood_manager.insomnia_chats:
+                    await unlock_mood(chat_id)
+                    logger.info(f"[{chat_id}] 情绪已自动解锁。")
+            task = asyncio.create_task(_unlock_after())
+            _unlock_tasks[chat_id] = task
+        return True
+    except Exception as e:
+        logger.error(f"锁定指定聊天的情绪时发生错误:{e}")
+        return False
 
 
-async def unlock_mood(chat_id: str):
+async def unlock_mood(chat_id: str) -> bool:
     """
     立即解除情绪锁定。
+
+    Returns:
+        bool: 如果成功解锁则返回 True，如果情绪未被锁定则返回 False。
     """
     if chat_id in _unlock_tasks:
         _unlock_tasks[chat_id].cancel()
@@ -98,6 +114,8 @@ async def unlock_mood(chat_id: str):
     if chat_id in mood_manager.insomnia_chats:
         mood_manager.insomnia_chats.remove(chat_id)
         logger.info(f"[{chat_id}] 情绪已手动解锁。")
+        return True
+    return False
 
 
 def is_mood_locked(chat_id: str) -> bool: