diff --git a/.github/workflows/manually_build.yml b/.github/workflows/manually_build.yml
index 0fa5ff11..bed46412 100644
--- a/.github/workflows/manually_build.yml
+++ b/.github/workflows/manually_build.yml
@@ -67,7 +67,7 @@ jobs:
         sudo docker push 10.239.45.10/arda/${base_image}:${TAG}
         cd ../bigdl-gramine
         openssl genrsa -3 -out enclave-key.pem 3072
-        export image=intelanalytics/bigdl-ppml-trusted-big-data-ml-python-gramine-reference-32G
+        export image=intelanalytics/bigdl-ppml-trusted-big-data-ml-python-gramine-reference-32g
         sudo docker build \
          --build-arg BASE_IMAGE_NAME=${base_image} \
          --build-arg BASE_IMAGE_TAG=${TAG} \
@@ -78,7 +78,7 @@ jobs:
         sudo docker tag ${image}:${TAG} 10.239.45.10/arda/${image}:${TAG}
         sudo docker push 10.239.45.10/arda/${image}:${TAG}
         sudo docker rmi -f ${image}:${TAG}
-        export image=intelanalytics/bigdl-ppml-trusted-big-data-ml-python-gramine-reference-64G
+        export image=intelanalytics/bigdl-ppml-trusted-big-data-ml-python-gramine-reference-64g
         sudo docker build \
          --build-arg BASE_IMAGE_NAME=${base_image} \
          --build-arg BASE_IMAGE_TAG=${TAG} \