diff --git a/src/classes/long_term_objective.py b/src/classes/long_term_objective.py
index af5ee1c..2932cc4 100644
--- a/src/classes/long_term_objective.py
+++ b/src/classes/long_term_objective.py
@@ -176,10 +176,11 @@ def set_user_long_term_objective(avatar: "Avatar", objective_content: str) -> No
         set_year=current_year
     )
     
-    # 用户手动设定长期目标时，清空短期目标，以便AI重新规划
+    # 用户手动设定长期目标时，清空短期目标和后续计划，以便AI重新规划
     avatar.short_term_objective = ""
+    avatar.clear_plans()
     
-    logger.info(f"玩家为角色 {avatar.name} 设定长期目标：{objective_content}，并已清空短期目标")
+    logger.info(f"玩家为角色 {avatar.name} 设定长期目标：{objective_content}，并已清空短期目标和后续计划")
 
 
 def clear_user_long_term_objective(avatar: "Avatar") -> bool: