diff --git a/apps/prod/tekton/configs/tasks/publish-tiup-from-oci-artifact.yaml b/apps/prod/tekton/configs/tasks/publish-tiup-from-oci-artifact.yaml
index 4464e6050..a66f95599 100644
--- a/apps/prod/tekton/configs/tasks/publish-tiup-from-oci-artifact.yaml
+++ b/apps/prod/tekton/configs/tasks/publish-tiup-from-oci-artifact.yaml
@@ -31,7 +31,7 @@ spec:
 
         # fetch artifact config
         oras manifest fetch-config "$(params.artifact-url)" > artifact-config.json
-        if yq -e -oy '.tiup | length == 0' artifact-config.json; then
+        if yq -e -oy '.["net.pingcap.tibuild.tiup"] | length == 0' artifact-config.json; then
           echo "No tiup pacakges are need to published."
           exit 0
         fi
@@ -41,7 +41,7 @@ spec:
 
         # publish the tiup packages
         :> publish.sh
-        tiup_last_index=$(yq --output-format=yaml '.tiup | length - 1' artifact-config.json)
+        tiup_last_index=$(yq --output-format=yaml '.["net.pingcap.tibuild.tiup"] | length - 1' artifact-config.json)
         os="$(yq --output-format=yaml '.os' artifact-config.json)"
         architecture="$(yq --output-format=yaml '.architecture' artifact-config.json)"
         version="$(yq --output-format=yaml '.version' artifact-config.json)"
@@ -52,13 +52,13 @@ spec:
         fi
 
         for i in `seq 0 $tiup_last_index`; do
-          pkg_file="$(yq --output-format=yaml .tiup[$i].file artifact-config.json)"
+          pkg_file="$(yq --output-format=yaml .["net.pingcap.tibuild.tiup"][$i].file artifact-config.json)"
           pkg_name=$(echo "$pkg_file" | sed -E "s/-v[0-9]+.+//")
-          entrypoint="$(yq --output-format=yaml .tiup[$i].entrypoint artifact-config.json)"
-          desc="$(yq --output-format=yaml .tiup[$i].description artifact-config.json)"
+          entrypoint="$(yq --output-format=yaml .["net.pingcap.tibuild.tiup"][$i].entrypoint artifact-config.json)"
+          desc="$(yq --output-format=yaml .["net.pingcap.tibuild.tiup"][$i].description artifact-config.json)"
 
           # tiup mirror publish <comp-name> <version> <tarball> <entry> [flags]
-          if yq -e -oy ".tiup[$i].standalone" artifact-config.json; then
+          if yq -e -oy ".["net.pingcap.tibuild.tiup"][$i].standalone" artifact-config.json; then
             printf 'tiup mirror publish %s %s %s %s --os %s --arch %s --standalone --desc "%s"\n' \
               $pkg_name $version $pkg_file $entrypoint $os $architecture "$desc" \
             >> publish.sh