diff --git a/product-source/hololake-platform/guanghu-os/scripts/clear-jd-native-probe-proof.sh b/product-source/hololake-platform/guanghu-os/scripts/clear-jd-native-probe-proof.sh
index 676ebfc..ca5020e 100755
--- a/product-source/hololake-platform/guanghu-os/scripts/clear-jd-native-probe-proof.sh
+++ b/product-source/hololake-platform/guanghu-os/scripts/clear-jd-native-probe-proof.sh
@@ -20,15 +20,28 @@ expected_sha=$(awk '/^  proof_sha256:/ {print $2}' \
   "${recovery_root}/RETURN-RECEIPT.hldp")
 [[ ${expected_sha} =~ ^[0-9a-f]{64}$ ]]
 [[ $(sha256sum "${proof}" | awk '{print $1}') == "${expected_sha}" ]]
-[[ $(dd if=/dev/vda bs=512 skip=134 count=1 status=none | sha256sum |
-  awk '{print $1}') == "${expected_sha}" ]]
+candidate_sha=$(awk '/^  sha256:/ {print $2; exit}' \
+  "${recovery_root}/PREPARE-RECEIPT.hldp")
+[[ ${candidate_sha} =~ ^[0-9a-f]{64}$ ]]
+[[ $(dd if=/dev/vda bs=512 skip=105 count=29 status=none | sha256sum |
+  awk '{print $1}') == "${candidate_sha}" ]]
 
-dd if=/dev/zero of=/dev/vda bs=512 seek=134 count=1 conv=notrunc,fsync \
-  status=none
-zero_sha=$(head -c 512 /dev/zero | sha256sum | awk '{print $1}')
-readback_sha=$(dd if=/dev/vda bs=512 skip=134 count=1 status=none |
+current_proof_sha=$(dd if=/dev/vda bs=512 skip=134 count=1 status=none |
   sha256sum | awk '{print $1}')
-[[ ${readback_sha} == "${zero_sha}" ]]
+zero_sector_sha=$(head -c 512 /dev/zero | sha256sum | awk '{print $1}')
+if [[ ${current_proof_sha} != "${expected_sha}" ]]; then
+  grep -q "^  sealed_sha256: ${expected_sha}$" \
+    "${recovery_root}/PROOF-CLEAR-RECEIPT.hldp"
+  [[ ${current_proof_sha} == "${zero_sector_sha}" ]]
+fi
+
+dd if=/dev/zero of=/dev/vda bs=512 seek=105 count=30 conv=notrunc,fsync \
+  status=none
+zero_range_sha=$(head -c $((30 * 512)) /dev/zero | sha256sum |
+  awk '{print $1}')
+readback_sha=$(dd if=/dev/vda bs=512 skip=105 count=30 status=none |
+  sha256sum | awk '{print $1}')
+[[ ${readback_sha} == "${zero_range_sha}" ]]
 
 observed_at=$(date --iso-8601=seconds)
 cat >"${recovery_root}/PROOF-CLEAR-RECEIPT.hldp" <<EOF
@@ -40,6 +53,13 @@ node_id: JD-FD-PRIMARY
 proof:
   lba: 134
   sealed_sha256: ${expected_sha}
+candidate:
+  lba_start: 105
+  sector_count: 29
+  sealed_sha256: ${candidate_sha}
+cleared_range:
+  lba_start: 105
+  sector_count: 30
   zero_readback_sha256: ${readback_sha}
 reason: SEALED_FAIL_0_CONSUMED_BEFORE_EXACT_HARDWARE_ADAPTER_RETRY
 EOF