diff --git a/README.md b/README.md
index 3ac7d26..23ea1b3 100644
--- a/README.md
+++ b/README.md
@@ -86,7 +86,7 @@ mysql -u root -h 192.168.107.89 -P 3306 < realtime_protection/sql/mysql-2024-1-2
 # 导出MySQL表结构和数据
 mysqldump -u root -h 192.168.107.89 -P 3306 --databases realtime_protection > mysql-2024-01-23-with-data.sql -p
 # 导出MySQL表结构，不导出数据
-mysqldump -u root -h 192.168.107.89 -P 3306 --databases realtime_protection -no-data > mysql-2024-01-23-without-data.sql -p
+mysqldump -u root -h 192.168.107.89 -P 3306 --databases realtime_protection --no-data > mysql-2024-01-23-without-data.sql -p
 # 导出doris表结构
-mysqldump -u root -h 192.168.107.89 -P 9030 --databases command --no-tablespaces -no-data > doris-2024-01-23.sql -p
-```
\ No newline at end of file
+mysqldump -u root -h 192.168.107.89 -P 9030 --databases command --no-tablespaces --no-data > doris-2024-01-23.sql -p
+```