diff --git a/README.en.md b/README.en.md
index 55b6fb911a3c8834029b55ed653d2d8330447deb..5c77e5a8d27a6eb1207b5464e8bceeb31858b7d4 100644
--- a/README.en.md
+++ b/README.en.md
@@ -74,7 +74,7 @@ DONE! than you can create a Pull Request.
 	ep: python3 simple-update-root.py snappy openEuler-20.03-LTS -fc -d -s -n 1.8.1
 	
 	multi-packages in a repo auto-upgrade: python3 simple-update-root.py -u repo repo_name branch_name
-	ep: python3 simple-update-root.py -u repo src_openEuler master
+	ep: python3 simple-update-root.py -u repo src-openeuler master
 	
 ##### 2. oa_upgradable.py 
 	display all tags of target package: python3 oa_upgradable.py pkg_name
diff --git a/README.md b/README.md
index 19376e5b73fa267bd93e706fa4787796fe4fb7fa..82c2d70f9d0ad631a7e19a24fe50a045c85ce6db 100644
--- a/README.md
+++ b/README.md
@@ -163,7 +163,7 @@ tag中版本的间隔符，如果 tag是 v1_0_1，然后配置separator 为"_"
 	ep: python3 simple-update-root.py snappy openEuler-20.03-LTS -fc -d -s -n 1.8.1
 	
 	multi-packages in a repo auto-upgrade: python3 simple-update-root.py -u repo repo_name branch_name
-	ep: python3 simple-update-root.py -u repo src_openEuler master
+	ep: python3 simple-update-root.py -u repo src-openeuler master
 
 ##### b. oa_upgradable.py 
 	display all tags of target package: python3 oa_upgradable.py pkg_name