refactor: session list

src/routes/chat/SessionList/Session.js

@@ -95,7 +95,9 @@ export default function Session({
               <span className="name">
                 {name} {!is_public && <IconLock />}
               </span>
-              <span className="time">{dayjs(previewMsg.created_at).fromNow()}</span>
+              <span className="time">
+                {previewMsg.created_at ? dayjs(previewMsg.created_at).fromNow() : null}
+              </span>
             </div>
             <div className="down">
               <span className="msg">{renderPreviewMessage(previewMsg)}</span>

src/routes/chat/SessionList/styled.js

@@ -54,6 +54,10 @@ const Styled = styled.ul`
             font-size: 12px;
             line-height: 18px;
             color: #78787c;
+            white-space: nowrap;
+            overflow: hidden;
+            max-width: 80px;
+            text-overflow: ellipsis;
           }
         }
         .down {