diff --git a/src/chat/heart_flow/heartflow_message_processor.py b/src/chat/heart_flow/heartflow_message_processor.py
index dc953102..ab6f6613 100644
--- a/src/chat/heart_flow/heartflow_message_processor.py
+++ b/src/chat/heart_flow/heartflow_message_processor.py
@@ -38,7 +38,7 @@ async def _calculate_interest(message: MessageRecv) -> Tuple[float, bool, list[s
         interested_rate, keywords,keywords_lite = await hippocampus_manager.get_activate_from_text(
             message.processed_plain_text,
             max_depth= 4,
-            fast_retrieval=False,
+            fast_retrieval=global_config.chat.interest_rate_mode == "fast",
         )
         message.key_words = keywords
         message.key_words_lite = keywords_lite
@@ -85,7 +85,7 @@ async def _calculate_interest(message: MessageRecv) -> Tuple[float, bool, list[s
     message.interest_value = interested_rate
     message.is_mentioned = is_mentioned
 
-    return interested_rate, is_mentioned, keywords
+    return interested_rate, keywords
 
 
 class HeartFCMessageReceiver:
diff --git a/src/config/official_configs.py b/src/config/official_configs.py
index 0087cd62..4acc58fe 100644
--- a/src/config/official_configs.py
+++ b/src/config/official_configs.py
@@ -70,6 +70,9 @@ class ChatConfig(ConfigBase):
 
     max_context_size: int = 18
     """上下文长度"""
+    
+    interest_rate_mode: Literal["fast", "accurate"] = "fast"
+    """兴趣值计算模式，fast为快速计算，accurate为精确计算"""
 
     mentioned_bot_inevitable_reply: bool = False
     """提及 bot 必然回复"""
diff --git a/template/bot_config_template.toml b/template/bot_config_template.toml
index 60cb4dd7..fb711500 100644
--- a/template/bot_config_template.toml
+++ b/template/bot_config_template.toml
@@ -65,6 +65,8 @@ focus_value = 0.5
 
 max_context_size = 20 # 上下文长度
 
+interest_rate_mode = "fast" #激活值计算模式，可选fast或者accurate
+
 mentioned_bot_inevitable_reply = true # 提及 bot 大概率回复
 at_bot_inevitable_reply = true # @bot 或 提及bot 大概率回复