diff --git a/src/views/dialogue/components/MessageDetail.vue b/src/views/dialogue/components/MessageDetail.vue
index aceff82ce17af88bf8ef0102d11a0b6c0d7a50bc..6a467c652e34bfdac700324894d0f9f61813688c 100644
--- a/src/views/dialogue/components/MessageDetail.vue
+++ b/src/views/dialogue/components/MessageDetail.vue
@@ -108,27 +108,28 @@ const POLLING_INTERVAL = 30000; // 30秒
 // 将后端数据转换为前端显示格式
 const transformUserMsgToMessage = (userMsg: UserMsg): Message => {
   // 判断当前用户是发送者还是接收者
-  const currentUsername = userinfo.value.username;
-  const isReceiver = userMsg.receiverId === currentUsername;
+  // 通过比较 senderId 来判断：如果当前用户是发送者，则 senderId 等于当前用户名
+  const currentUserId = userinfo.value.user_sub;
+  const isSender = userMsg.senderId === currentUserId;
   
   let content = '';
   if (userMsg.msgType === 'invitation') {
     // 邀请消息
-    if (isReceiver) {
-      // 当前用户是接收者
-      content = `${userMsg.senderName || '用户'} 邀请您加入团队 "${userMsg.teamName}"`;
-    } else {
+    if (isSender) {
       // 当前用户是发送者
       content = `您邀请 ${userMsg.receiverName || '用户'} 加入团队 "${userMsg.teamName}"`;
+    } else {
+      // 当前用户是接收者
+      content = `${userMsg.senderName || '用户'} 邀请您加入团队 "${userMsg.teamName}"`;
     }
   } else {
     // 申请消息
-    if (isReceiver) {
-      // 当前用户是接收者
-      content = `${userMsg.senderName || '用户'} 申请加入团队 "${userMsg.teamName}"`;
-    } else {
+    if (isSender) {
       // 当前用户是发送者
       content = `您申请加入团队 "${userMsg.teamName}"`;
+    } else {
+      // 当前用户是接收者
+      content = `${userMsg.senderName || '用户'} 申请加入团队 "${userMsg.teamName}"`;
     }
   }