diff --git a/src/chat/planner_actions/planner.py b/src/chat/planner_actions/planner.py
index ae1fac318..184ba008e 100644
--- a/src/chat/planner_actions/planner.py
+++ b/src/chat/planner_actions/planner.py
@@ -317,6 +317,8 @@ class ActionPlanner:
 
                     if action == "no_action":
                         reasoning = "normal决定不使用额外动作"
+                    elif mode == ChatMode.PROACTIVE and action == "do_nothing":
+                        pass  # 在PROACTIVE模式下，do_nothing是有效动作
                     elif action != "no_reply" and action != "reply" and action not in current_available_actions:
                         logger.warning(
                             f"{self.log_prefix}LLM 返回了当前不可用或无效的动作: '{action}' (可用: {list(current_available_actions.keys())})，将强制使用 'no_reply'"