diff --git a/src/recipe/os/YUM/openEuler.c b/src/recipe/os/YUM/openEuler.c
index 18aff55..0e734d5 100644
--- a/src/recipe/os/YUM/openEuler.c
+++ b/src/recipe/os/YUM/openEuler.c
@@ -59,7 +59,7 @@ os_openeuler_setsrc (char *option)
 
   // 替换 baseurl=<<URL>>/openEuler-xx.xx/...
   // openEuler-xx.xx 为 openEuler 版本号
-  // sed -E 's!^baseurl=.*?/openEuler-([^/]+)!baseurl=source.url/openEuler-\1/!g' OS_openEuler_SourceList
+  // sed -E 's!^baseurl=.*?/openEuler-([^/]+)!baseurl=$(source.url)/openEuler-\1/!g' OS_openEuler_SourceList
   char* cmd = xy_strjoin (6, "sed ",
          "-i -E 's!^baseurl=.*?/openEuler-([^/]+)!baseurl=",
          source.url,