diff --git a/src/page/Meeting/ChatSmallWindow/index.tsx b/src/page/Meeting/ChatSmallWindow/index.tsx
index 3848677..329dff1 100644
--- a/src/page/Meeting/ChatSmallWindow/index.tsx
+++ b/src/page/Meeting/ChatSmallWindow/index.tsx
@@ -36,8 +36,8 @@ const ChatSmallWindow: React.FC = () => {
     <>
       <div className={styles.chatSmallWindow}>
         <div id='chatSmallWindowView'>
-          {chatLists.map((item: any) =>
-            <div className={`${styles.chatSmallWindowContentLeft}`}>
+          {chatLists.map((item: any, index: number) =>
+            <div className={`${styles.chatSmallWindowContentLeft}`} key={index}>
               <div>
                 <span>{item.userName}：</span>
                 <span>{item.message}</span>