fix(weChat): 修复消息加载顺序和加载状态显示问题

调整消息数组拼接顺序，确保新消息正确追加
添加加载状态图标并优化加载更多消息的逻辑
设置消息加载状态延迟更新以避免闪烁

Cunkebao/src/pages/pc/ckbox/components/ChatWindow/components/MessageRecord/index.tsx

@@ -1,6 +1,6 @@
 import React, { useEffect, useRef } from "react";
 import { Avatar, Divider } from "antd";
-import { UserOutlined } from "@ant-design/icons";
+import { UserOutlined, LoadingOutlined } from "@ant-design/icons";
 import { ChatRecord, ContractData, weChatGroup } from "@/pages/pc/ckbox/data";
 import { formatWechatTime } from "@/utils/common";
 import styles from "./MessageRecord.module.scss";
@@ -194,11 +194,40 @@ const MessageRecord: React.FC<MessageRecordProps> = ({ contract }) => {
       </div>
     );
   };
+  const loadMoreMessages = () => {
+    // 兼容性处理：检查消息数组和时间戳
+    if (!currentMessages || currentMessages.length === 0) {
+      console.warn("No messages available for loading more");
+      return;
+    }
+
+    const firstMessage = currentMessages[0];
+    if (!firstMessage || !firstMessage.createTime) {
+      console.warn("Invalid message or createTime");
+      return;
+    }
+
+    // 兼容性处理：确保时间戳格式正确
+    let timestamp;
+    try {
+      const date = new Date(firstMessage.createTime);
+      if (isNaN(date.getTime())) {
+        console.warn("Invalid createTime format:", firstMessage.createTime);
+        return;
+      }
+      timestamp = date.getTime() - 20000;
+    } catch (error) {
+      console.error("Error parsing createTime:", error);
+      return;
+    }
+
+    loadChatMessages(false, timestamp);
+  };
 
   return (
     <div className={styles.messagesContainer}>
-      <div className={styles.loadMore} onClick={() => loadChatMessages(false)}>
-        点击加载更早的信息{messagesLoading ? "中" : "1"}
+      <div className={styles.loadMore} onClick={() => loadMoreMessages()}>
+        点击加载更早的信息 {messagesLoading ? <LoadingOutlined /> : ""}
       </div>
       {groupMessagesByTime(currentMessages).map((group, groupIndex) => (
         <React.Fragment key={`group-${groupIndex}`}>

Cunkebao/src/store/module/weChat/weChat.ts

@@ -72,8 +72,8 @@ export const useWeChatStore = create<WeChatState>()(
             } else {
               set({
                 currentMessages: [
-                  ...state.currentMessages,
                   ...(messages || []),
+                  ...state.currentMessages,
                 ],
               });
             }
@@ -85,8 +85,8 @@ export const useWeChatStore = create<WeChatState>()(
             } else {
               set({
                 currentMessages: [
-                  ...state.currentMessages,
                   ...(messages || []),
+                  ...state.currentMessages,
                 ],
               });
             }
@@ -94,7 +94,9 @@ export const useWeChatStore = create<WeChatState>()(
         } catch (error) {
           console.error("获取聊天消息失败:", error);
         } finally {
-          set({ messagesLoading: false });
+          setTimeout(() => {
+            set({ messagesLoading: false });
+          }, 1500);
         }
       },