修复一处样式

package.json

@@ -1,7 +1,7 @@
 {
   "name": "bash-calendar",
   "description": "终端版万年历",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "author": "yutent <yutent.io@gmail.com>",
   "bin": {
     "calendar": "index.js",

src/calendar.js

@@ -95,7 +95,7 @@ function drawThead(year, month) {
   var dateStr = `${year}年${month + 1}月${' '.repeat(10)}${getHSEBYear(year, month)}`
 
   dateStr =
-    chalk.grey('| ') + chalk.cyan(dateStr) + ' '.repeat(75 - dateStr.length - 2) + chalk.grey('|')
+    chalk.grey('| ') + chalk.cyan(dateStr) + ' '.repeat(71 - dateStr.length - 2) + chalk.grey('|')
 
   console.log(chalk.grey(' ' + '_'.repeat(76)))
   console.log(chalk.grey('|' + ' '.repeat(76) + '|'))