remove extra space (#4579)

* remove extra space

* Update fetch-blocks.js

scripts/fetch-blocks.js

@@ -94,7 +94,7 @@ const installBlock = async () => {
       console.log('install ' + chalk.green(item.name) + ' to: ' + chalk.yellow(item.path));
       gitFiles = gitFiles.filter(file => file.path !== gitPath);
       const skipModifyRouter = item.routes ? '--skip-modify-routes' : '';
-      const cmd = `umi block add https://github.com/ant-design/pro-blocks/tree/master/${gitPath}  --path=${item.path} ${skipModifyRouter}`;
+      const cmd = `umi block add https://github.com/ant-design/pro-blocks/tree/master/${gitPath} --path=${item.path} ${skipModifyRouter}`;
       try {
         await execCmd(cmd);
         console.log(`install ${chalk.hex('#1890ff')(item.name)} success`);

src/components/CopyBlock/index.tsx

@@ -33,7 +33,7 @@ const onBlockCopy = (label: string) => {
 const BlockCodeView: React.SFC<{
   url: string;
 }> = ({ url }) => {
-  const blockUrl = `npx umi block add ${firstUpperCase(url)}  --path=${url}`;
+  const blockUrl = `npx umi block add ${firstUpperCase(url)} --path=${url}`;
   return (
     <div className={styles['copy-block-view']}>
       <Typography.Paragraph