diff --git a/docs/java/new-features/java8-common-new-features.md b/docs/java/new-features/java8-common-new-features.md
index 7c3d1b0e..d736ffba 100644
--- a/docs/java/new-features/java8-common-new-features.md
+++ b/docs/java/new-features/java8-common-new-features.md
@@ -934,7 +934,7 @@ public void getDayNew() {
     //当年最后一天
     LocalDate lastday = today.with(TemporalAdjusters.lastDayOfYear());
     //2021年最后一个周日，如果用Calendar是不得烦死。
-    LocalDate lastMondayOf2021 = LocalDate.parse("2021-12-			       31").with(TemporalAdjusters.lastInMonth(DayOfWeek.SUNDAY));
+    LocalDate lastMondayOf2021 = LocalDate.parse("2021-12-31").with(TemporalAdjusters.lastInMonth(DayOfWeek.SUNDAY));
 }
 ```