Update docker-image.yml

.github/workflows/docker-image.yml

@@ -138,7 +138,16 @@ jobs:
       - name: Get multi-arch digest
         id: get_digest
         run: |
-          digest=$(docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }} --format '{{.Digest}}')
+          # 直接从 docker pull 获取 digest，这是最可靠的方法
+          digest=$(docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }} 2>&1 | grep "Digest:" | cut -d' ' -f2 || echo "")
+          if [ -z "$digest" ]; then
+            # 备选方案：使用 crane 风格的检查（如果支持的话）
+            digest=$(docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }} | grep "Digest:" | head -1 | cut -d' ' -f2 || echo "")
+          fi
+          if [ -z "$digest" ]; then
+            # 最后备选：从 raw manifest 计算
+            digest=$(docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }} --raw | sha256sum | awk '{print "sha256:"$1}')
+          fi
           echo "digest=$digest" >> $GITHUB_OUTPUT
       - name: Inspect image
         run: |