优化发送消息功能

src/pages/index/ChatPage.vue

@@ -403,16 +403,18 @@ export default {
         this.$set(this.contactMessages, this.currentContact.contactName, []);
       }
 
+      // 新消息
       const newMessage = {
         senderName: this.currentUser.username,
         receiverName: this.currentContact.contactName,
         content: content,
+        createdAt: new Date()
       };
 
       sendMessage(newMessage)
         .then((response) => {
           console.log("发送消息成功", response.data);
-          this.contactMessages[this.currentContact.contactName].push({
+          this.contactMessages.push({
             ...newMessage,
             from: "me",
           });
@@ -432,6 +434,7 @@ export default {
 
             this.recentChats.splice(index, 1);
             this.recentChats.unshift(chat);
+            console.log(this.recentChats)
           } else {
             // 没有找到这条数据，直接添加到数组最前面
             this.recentChats.unshift({