diff --git a/config/config.ini b/config/config.ini
index b67934da2eb9618fe977cc9946c96ac346d7f9eb..2f7042a91d628489bdf11a79b258b49cb5a1cf6d 100644
--- a/config/config.ini
+++ b/config/config.ini
@@ -64,7 +64,7 @@ obs_meta = https://gitee.com/src-openeuler/obs_meta
 obs_pkg_rpms = https://gitee.com/openeuler_latest_rpms/obs_pkg_rpms
 [obs_project_repos]
 # replace obs project's ":" by "-"
-openEuler-Mainline = oopenEuler:selfbuild:BaseOS/baseos_aarch64 openEuler:selfbuild:BaseOS/baseos_x86_64
+openEuler-Mainline = openEuler:selfbuild:BaseOS/baseos_aarch64 openEuler:selfbuild:BaseOS/baseos_x86_64
 openEuler-Epol = openEuler:selfbuild:BaseOS/epol_aarch64 openEuler:selfbuild:BaseOS/epol_x86_64
 openEuler-Factory = openEuler:selfbuild:BaseOS/factory_aarch64 openEuler:selfbuild:BaseOS/factory_x86_64
 openEuler-BaseTools = openEuler:selfbuild:BaseOS/baseos_aarch64 openEuler:selfbuild:BaseOS/baseos_x86_64