perf: ui

client/src/components/Markdown/Loading.tsx

@@ -4,6 +4,7 @@ import { Box } from '@chakra-ui/react';
 const Loading = () => {
   return (
     <Box
+      minW={'100px'}
       w={'100%'}
       h={'80px'}
       backgroundImage={'url("/imgs/loading.gif")'}

client/src/components/Markdown/MermaidCodeBlock.tsx

@@ -77,6 +77,7 @@ const MermaidBlock = ({ code }: { code: string }) => {
       <Box
         ref={dom}
         className={styles.mermaid}
+        minW={'100px'}
         minH={'50px'}
         py={4}
         dangerouslySetInnerHTML={{ __html: svg }}