better：将印象拆分，麦麦可以总结多方面特点

src/chat/focus_chat/planners/actions/emoji_action.py

@@ -25,7 +25,7 @@ class EmojiAction(BaseAction):
     }
     action_require: list[str] = [
         "表达情绪时可以选择使用",
-        "重点：不要连续发，不要发太多[表情包]"]
+        "重点：不要连续发，如果你已经发过[表情包]，就不要选择此动作"]
 
     associated_types: list[str] = ["emoji"]
 

src/chat/focus_chat/replyer/default_replyer.py

@@ -576,7 +576,9 @@ class DefaultReplyer:
         if emoji_raw:
             emoji_path, description, _emotion = emoji_raw
             emoji_base64 = image_path_to_base64(emoji_path)
-        return emoji_base64, description, _emotion
+            return emoji_base64, description, _emotion
+        else:
+            return None, None, None
 
     async def _build_single_sending_message(
         self,