diff --git a/command/date.md b/command/date.md
index a182904c6c..f0ee7267be 100644
--- a/command/date.md
+++ b/command/date.md
@@ -157,7 +157,7 @@ echo $difference seconds.
 最常用的方法：
 
 ```shell
-echo -e "Current time: $(date +"%Y%m%d")"
+echo "Current time: $(date +"%Y/%m/%d")"
 ```
 
 另一种方法：
diff --git a/command/sed.md b/command/sed.md
index bad5113bda..84f0a66109 100644
--- a/command/sed.md
+++ b/command/sed.md
@@ -373,16 +373,14 @@ sed [options] -f scriptfile file(s)
 ```shell
 sed -n 'p;n' test.txt  #奇数行
 sed -n 'n;p' test.txt  #偶数行
-
-```shell
+```
 
 方法2：
 
 ```shell
 sed -n '1~2p' test.txt  #奇数行
 sed -n '2~2p' test.txt  #偶数行
-
-```shell
+```
 
 ### 打印匹配字符串的下一行  
 
@@ -390,8 +388,7 @@ sed -n '2~2p' test.txt  #偶数行
 grep -A 1 SCC URFILE
 sed -n '/SCC/{n;p}' URFILE
 awk '/SCC/{getline; print}' URFILE
-
-```shell
+```
 
 
 <!-- Linux命令行搜索引擎：https://jaywcjlove.github.io/linux-command/ -->