diff --git a/src/assets/style/chat.css b/src/assets/style/chat.css
index 7d29a6e..2519cad 100644
--- a/src/assets/style/chat.css
+++ b/src/assets/style/chat.css
@@ -142,6 +142,7 @@ button:disabled, .historicRecords .question-answer-con button {
     display: flex;
     align-items: flex-start;
     justify-content: flex-start;
+    display: none;
 }
 
 .avatarUrl-img {