diff --git a/store/index.js b/store/index.js
index 2e440d1..fd726f0 100644
--- a/store/index.js
+++ b/store/index.js
@@ -273,6 +273,9 @@ const store = new Vuex.Store({
         user && typeof user.attempt === "number" ? user.attempt : 1;
       if (!friendId) return Promise.reject(new Error("缺少 friendId"));
 
+      // 清空消息列表，避免旧消息干扰
+      commit("push_MsgList", []);
+
       // 第一步：获取列表（复用现有 action，保证 state 同步更新）
       const list = await dispatch("getUserlist");