feat: 优化

src/views/customerService/chatDetail.vue

@@ -122,7 +122,7 @@ export default {
       return !this.messageContent || this.messageContent.length === 0 || !this.chatUserInfo.intervened || !this.currentConversationItem.conversationID
     },
     serviceTip() {
-      if (!this.chatUserInfo.user) {
+      if (!this.chatUserInfo.aiAssistant) {
         return ''
       }
       return this.chatUserInfo.intervened ? '结束人工' : '人工介入'