diff --git a/src/plugins/built_in/affinity_flow_chatter/plan_filter.py b/src/plugins/built_in/affinity_flow_chatter/plan_filter.py
index d9e319241..1931ed7b7 100644
--- a/src/plugins/built_in/affinity_flow_chatter/plan_filter.py
+++ b/src/plugins/built_in/affinity_flow_chatter/plan_filter.py
@@ -236,7 +236,7 @@ class ChatterPlanFilter:
             is_group_chat = plan.chat_type == ChatType.GROUP
             chat_context_description = "你现在正在一个群聊中"
             if not is_group_chat and plan.target_info:
-                chat_target_name = plan.target_info.person_name or plan.target_info.user_nickname or "对方"
+                chat_target_name = plan.target_info.get("person_name") or plan.target_info.get("user_nickname") or "对方"
                 chat_context_description = f"你正在和 {chat_target_name} 私聊"
 
             action_options_block = await self._build_action_options(plan.available_actions)