diff --git a/src/classes/ai.py b/src/classes/ai.py
index 8a0e1c3..4fa7e80 100644
--- a/src/classes/ai.py
+++ b/src/classes/ai.py
@@ -9,9 +9,10 @@ import asyncio
 
 from src.classes.world import World
 from src.classes.event import Event, NULL_EVENT
-from src.utils.llm import call_ai_action
+from src.utils.llm import call_llm_with_task_name
 from src.classes.typings import ACTION_NAME_PARAMS_PAIRS
 from src.classes.actions import ACTION_INFOS_STR
+from src.utils.config import CONFIG
 
 if TYPE_CHECKING:
     from src.classes.avatar import Avatar
@@ -66,7 +67,8 @@ class LLMAI(AI):
                 "world_info": world_info,
                 "general_action_infos": general_action_infos,
             }
-            res = await call_ai_action(info)
+            template_path = CONFIG.paths.templates / "ai.txt"
+            res = await call_llm_with_task_name("action_decision", template_path, info)
             return avatar, res
 
         # 直接并发所有任务
diff --git a/src/classes/long_term_objective.py b/src/classes/long_term_objective.py
index 2742d12..102d009 100644
--- a/src/classes/long_term_objective.py
+++ b/src/classes/long_term_objective.py
@@ -12,7 +12,7 @@ if TYPE_CHECKING:
 
 from src.classes.event import Event
 from src.utils.config import CONFIG
-from src.utils.llm import call_llm_with_template, LLMMode
+from src.utils.llm import call_llm_with_task_name
 from src.run.log import get_logger
 from src.classes.actions import ACTION_INFOS_STR
 
@@ -92,8 +92,8 @@ async def generate_long_term_objective(avatar: "Avatar") -> Optional[LongTermObj
         "general_action_infos": ACTION_INFOS_STR,
     }
     
-    # 调用LLM并自动解析JSON（使用fast模型）
-    response_data = await call_llm_with_template(template_path, infos, LLMMode.NORMAL)
+    # 调用LLM并自动解析JSON（使用配置的模型模式）
+    response_data = await call_llm_with_task_name("long_term_objective", template_path, infos)
     
     content = response_data.get("long_term_objective", "").strip()
     
diff --git a/src/classes/mutual_action/mutual_action.py b/src/classes/mutual_action/mutual_action.py
index ec46f97..2c69492 100644
--- a/src/classes/mutual_action/mutual_action.py
+++ b/src/classes/mutual_action/mutual_action.py
@@ -5,9 +5,8 @@ from typing import TYPE_CHECKING
 import asyncio
 
 from src.classes.action.action import DefineAction, ActualActionMixin, LLMAction
-from src.classes.tile import get_avatar_distance
 from src.classes.event import Event
-from src.utils.llm import call_llm_with_template, LLMMode
+from src.utils.llm import call_llm_with_task_name
 from src.utils.config import CONFIG
 from src.classes.relation import relation_display_names, Relation
 from src.classes.relations import get_possible_new_relations
@@ -86,7 +85,7 @@ class MutualAction(DefineAction, LLMAction, ActualActionMixin, TargetingMixin):
     async def _call_llm_feedback(self, infos: dict) -> dict:
         """异步调用 LLM 获取反馈"""
         template_path = self._get_template_path()
-        return await call_llm_with_template(template_path, infos, LLMMode.FAST)
+        return await call_llm_with_task_name("interaction_feedback", template_path, infos)
 
     def _set_target_immediate_action(self, target_avatar: "Avatar", action_name: str, action_params: dict) -> None:
         """
diff --git a/src/classes/nickname.py b/src/classes/nickname.py
index 85b7209..f227127 100644
--- a/src/classes/nickname.py
+++ b/src/classes/nickname.py
@@ -10,7 +10,7 @@ if TYPE_CHECKING:
 
 from src.classes.event import Event
 from src.utils.config import CONFIG
-from src.utils.llm import call_llm_with_template, LLMMode
+from src.utils.llm import call_llm_with_task_name
 from src.run.log import get_logger
 
 from src.classes.nickname_data import Nickname
@@ -75,7 +75,7 @@ async def generate_nickname(avatar: "Avatar") -> Optional[dict]:
         }
         
         # 调用LLM并自动解析JSON
-        response_data = await call_llm_with_template(template_path, infos, LLMMode.NORMAL)
+        response_data = await call_llm_with_task_name("nickname", template_path, infos)
         
         nickname = response_data.get("nickname", "").strip()
         thinking = response_data.get("thinking", "")
diff --git a/src/classes/relation_resolver.py b/src/classes/relation_resolver.py
index 9ceafb4..65a14d8 100644
--- a/src/classes/relation_resolver.py
+++ b/src/classes/relation_resolver.py
@@ -13,7 +13,7 @@ from src.classes.relations import (
 )
 from src.classes.calendar import get_date_str
 from src.classes.event import Event
-from src.utils.llm import call_llm_with_template, LLMMode
+from src.utils.llm import call_llm_with_task_name
 from src.utils.config import CONFIG
 
 if TYPE_CHECKING:
@@ -64,7 +64,7 @@ class RelationResolver:
         """
         infos = RelationResolver._build_prompt_data(avatar_a, avatar_b)
         
-        result = await call_llm_with_template(RelationResolver.TEMPLATE_PATH, infos, mode=LLMMode.FAST)
+        result = await call_llm_with_task_name("relation_resolver", RelationResolver.TEMPLATE_PATH, infos)
             
         changed = result.get("changed", False)
         if not changed:
diff --git a/src/classes/single_choice.py b/src/classes/single_choice.py
index 6004dca..2390442 100644
--- a/src/classes/single_choice.py
+++ b/src/classes/single_choice.py
@@ -1,5 +1,5 @@
 from typing import Any, Dict, List, TYPE_CHECKING
-from src.utils.llm import call_llm_with_template
+from src.utils.llm import call_llm_with_task_name
 from src.utils.config import CONFIG
 import json
 
@@ -33,7 +33,8 @@ async def make_decision(
 
     # 3. 调用 AI
     template_path = CONFIG.paths.templates / "single_choice.txt"
-    result = await call_llm_with_template(
+    result = await call_llm_with_task_name(
+        "single_choice",
         template_path, 
         infos={
             "avatar_infos": avatar_infos,
diff --git a/src/classes/story_teller.py b/src/classes/story_teller.py
index d50ebac..1b8f216 100644
--- a/src/classes/story_teller.py
+++ b/src/classes/story_teller.py
@@ -7,7 +7,7 @@ if TYPE_CHECKING:
     from src.classes.avatar import Avatar
 
 from src.utils.config import CONFIG
-from src.utils.llm import call_llm_with_template, LLMMode
+from src.utils.llm import call_llm_with_task_name
 from src.classes.relations import (
     process_relation_changes,
     get_relation_change_context
@@ -118,7 +118,7 @@ class StoryTeller:
         infos = StoryTeller._build_template_data(event, res, avatar_infos, prompt, *actors)
         
         # 移除了 try-except 块，允许异常向上冒泡，以便 Fail Fast
-        data = await call_llm_with_template(template_path, infos, LLMMode.FAST)
+        data = await call_llm_with_task_name("story_teller", template_path, infos)
         story = data.get("story", "").strip()
 
         if story:
diff --git a/src/utils/llm/__init__.py b/src/utils/llm/__init__.py
index a4087b0..da00015 100644
--- a/src/utils/llm/__init__.py
+++ b/src/utils/llm/__init__.py
@@ -7,16 +7,17 @@ LLM 调用模块
 - call_llm_with_template: 使用模板调用（最常用）
 """
 
-from .client import call_llm, call_llm_json, call_llm_with_template, call_ai_action
-from .config import LLMMode
+from .client import call_llm, call_llm_json, call_llm_with_template, call_llm_with_task_name
+from .config import LLMMode, get_task_mode
 from .exceptions import LLMError, ParseError, ConfigError
 
 __all__ = [
     "call_llm",
     "call_llm_json", 
     "call_llm_with_template",
-    "call_ai_action",
+    "call_llm_with_task_name",
     "LLMMode",
+    "get_task_mode",
     "LLMError",
     "ParseError",
     "ConfigError",
diff --git a/src/utils/llm/client.py b/src/utils/llm/client.py
index 54b4c0f..15fb917 100644
--- a/src/utils/llm/client.py
+++ b/src/utils/llm/client.py
@@ -9,7 +9,7 @@ from typing import Optional
 
 from src.run.log import log_llm_call
 from src.utils.config import CONFIG
-from .config import LLMMode, LLMConfig
+from .config import LLMMode, LLMConfig, get_task_mode
 from .parser import parse_json
 from .prompt import build_prompt, load_template
 from .exceptions import LLMError, ParseError
@@ -139,7 +139,24 @@ async def call_llm_with_template(
     return await call_llm_json(prompt, mode, max_retries)
 
 
-async def call_ai_action(infos: dict, mode: LLMMode = LLMMode.NORMAL) -> dict:
-    """AI 行动决策专用接口"""
-    template_path = CONFIG.paths.templates / "ai.txt"
-    return await call_llm_with_template(template_path, infos, mode)
+async def call_llm_with_task_name(
+    task_name: str,
+    template_path: Path | str,
+    infos: dict,
+    max_retries: int | None = None
+) -> dict:
+    """
+    根据任务名称自动选择 LLM 模式并调用
+    
+    Args:
+        task_name: 任务名称，用于在 config.yml 中查找对应的模式
+        template_path: 模板路径
+        infos: 模板参数
+        max_retries: 最大重试次数
+        
+    Returns:
+        dict: LLM 返回的 JSON 数据
+    """
+    mode = get_task_mode(task_name)
+    return await call_llm_with_template(template_path, infos, mode, max_retries)
+
diff --git a/src/utils/llm/config.py b/src/utils/llm/config.py
index 6b406b1..eff2499 100644
--- a/src/utils/llm/config.py
+++ b/src/utils/llm/config.py
@@ -46,3 +46,19 @@ class LLMConfig:
             base_url=CONFIG.llm.base_url
         )
 
+
+def get_task_mode(task_name: str) -> LLMMode:
+    """
+    获取指定任务的 LLM 调用模式
+    
+    Args:
+        task_name: 任务名称 (配置在 llm.default_modes 下的 key)
+        
+    Returns:
+        LLMMode: 对应的模式，如果未配置则默认返回 NORMAL
+    """
+    from src.utils.config import CONFIG
+    
+    # 获取配置的模式字符串，默认 normal
+    mode_str = getattr(CONFIG.llm.default_modes, task_name, "normal")
+    return LLMMode(mode_str)
diff --git a/static/config.yml b/static/config.yml
index 7dab267..7a65a59 100644
--- a/static/config.yml
+++ b/static/config.yml
@@ -7,6 +7,14 @@ llm:
   model_name: "openai/qwen-plus"
   fast_model_name: "openai/qwen-flash"
   base_url: "https://dashscope.aliyuncs.com/compatible-mode/v1"
+  default_modes:
+    action_decision: "normal"
+    long_term_objective: "normal"
+    nickname: "normal"
+    single_choice: "normal"
+    relation_resolver: "fast"
+    story_teller: "fast"
+    interaction_feedback: "fast"
 
 paths:
   templates: static/templates/