diff --git a/.github/workflows/dashboard.yml b/.github/workflows/dashboard.yml
index e8ee1bb..cf943a8 100644
--- a/.github/workflows/dashboard.yml
+++ b/.github/workflows/dashboard.yml
@@ -33,7 +33,7 @@ jobs:
           dest: dist
           pkg: cmd/dashboard
           prefix: dashboard
-          targets: linux/amd64,linux/arm64,linux/arm-7,linux/386,linux/s390x,linux/riscv64
+          targets: linux/amd64,linux/arm64,linux/arm-7,linux/s390x,linux/riscv64 # linux/386,
           v: true
           x: false
           race: false
@@ -80,7 +80,7 @@ jobs:
         with:
           context: .
           file: ./Dockerfile
-          platforms: linux/amd64,linux/arm64,linux/arm,linux/386,linux/s390x,linux/riscv64
+          platforms: linux/amd64,linux/arm64,linux/arm,linux/s390x,linux/riscv64 # linux/386,
           push: true
           tags: |
             ${{ steps.image-name.outputs.GHRC_IMAGE_NAME }}:${{ steps.extract_branch.outputs.tag }}
diff --git a/Dockerfile b/Dockerfile
index fe5adfb..b05ab64 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ${TARGETARCH}/ubuntu:20.04
+FROM ubuntu:focal
 
 ENV TZ="Asia/Shanghai"