diff --git a/memory_scope/memory/worker/memory_base_worker.py b/memory_scope/memory/worker/memory_base_worker.py
index 7309af49..57b7e616 100644
--- a/memory_scope/memory/worker/memory_base_worker.py
+++ b/memory_scope/memory/worker/memory_base_worker.py
@@ -76,7 +76,6 @@ class MemoryBaseWorker(BaseWorker, metaclass=ABCMeta):
 
     @property
     def user_name(self) -> str:
-        # FIXME: complex situations require adjustment
         if self._user_name is None:
             message = [x for x in self.messages if x.role == MessageRoleEnum.ASSISTANT.value][-1]
             self._user_name = message.role_name
@@ -84,7 +83,6 @@ class MemoryBaseWorker(BaseWorker, metaclass=ABCMeta):
 
     @property
     def target_name(self) -> str:
-        # FIXME: complex situations require adjustment
         if self._target_name is None:
             message = [x for x in self.messages if x.role == MessageRoleEnum.USER.value][-1]
             self._target_name = message.role_name
@@ -100,7 +98,7 @@ class MemoryBaseWorker(BaseWorker, metaclass=ABCMeta):
         return self.kwargs[key]
 
     @staticmethod
-    def get_language_value(languages: dict | list) -> str | list[str]:
+    def get_language_value(languages: dict | list[dict]) -> str | list[str]:
         if isinstance(languages, list):
             return [x[G_CONTEXT.language] for x in languages]
         return languages[G_CONTEXT.language]
diff --git a/memory_scope/memory/worker/read/fuse_rerank_worker.py b/memory_scope/memory/worker/read/fuse_rerank_worker.py
index 639afeee..e00406ce 100644
--- a/memory_scope/memory/worker/read/fuse_rerank_worker.py
+++ b/memory_scope/memory/worker/read/fuse_rerank_worker.py
@@ -9,40 +9,6 @@ from memory_scope.utils.datetime_handler import DatetimeHandler
 
 class FuseRerankWorker(MemoryBaseWorker):
 
-    @staticmethod
-    def format_time_infer(time_infer: str, extract_time_dict: Dict[str, str], meta_data: Dict[str, str]):
-        if time_infer:
-            return time_infer
-
-        time_infer = ""
-        if "year" in extract_time_dict:
-            value = meta_data.get("msg_year")
-            if value:
-                time_infer += f"{value}年"
-            elif value == "-1":
-                time_infer += f"每年"
-
-        if "month" in extract_time_dict:
-            value = meta_data.get("msg_month")
-            if value:
-                time_infer += f"{value}月"
-            elif value == "-1":
-                time_infer += f"每月"
-
-        if "day" in extract_time_dict:
-            value = meta_data.get("msg_day")
-            if value:
-                time_infer += f"{value}日"
-            elif value == "-1":
-                time_infer += f"每日"
-
-        if "weekday" in extract_time_dict:
-            value = meta_data.get("msg_weekday")
-            if value:
-                time_infer += value
-
-        return time_infer
-
     @staticmethod
     def match_node_time(extract_time_dict: Dict[str, str], node: MemoryNode):
         if extract_time_dict:
diff --git a/memory_scope/models/llama_index_generation_model.py b/memory_scope/models/llama_index_generation_model.py
index a23bf756..e0accfa2 100644
--- a/memory_scope/models/llama_index_generation_model.py
+++ b/memory_scope/models/llama_index_generation_model.py
@@ -1,4 +1,3 @@
-import datetime
 from typing import List
 
 from llama_index.core.base.llms.types import ChatMessage, ChatResponse, CompletionResponse
@@ -7,8 +6,8 @@ from llama_index.llms.dashscope import DashScope
 from memory_scope.enumeration.message_role_enum import MessageRoleEnum
 from memory_scope.enumeration.model_enum import ModelEnum
 from memory_scope.models.base_model import BaseModel, MODEL_REGISTRY
-from memory_scope.scheme.model_response import ModelResponse, ModelResponseGen
 from memory_scope.scheme.message import Message
+from memory_scope.scheme.model_response import ModelResponse, ModelResponseGen
 
 
 class LlamaIndexGenerationModel(BaseModel):