diff --git a/interfaces/innerkits/appverify/include/util/hap_signing_block_utils.h b/interfaces/innerkits/appverify/include/util/hap_signing_block_utils.h
index 8b3d156a9a2889caf4cd1afc210a7adfcdc11361..c9fe0c71444105842cd10a981e58a4a509d298f1 100644
--- a/interfaces/innerkits/appverify/include/util/hap_signing_block_utils.h
+++ b/interfaces/innerkits/appverify/include/util/hap_signing_block_utils.h
@@ -15,6 +15,7 @@
 #ifndef HAP_SIGNING_BLOCK_UTILS_H
 #define HAP_SIGNING_BLOCK_UTILS_H
 
+#include <unordered_map>
 #include <vector>
 
 #include "common/data_source.h"
@@ -32,6 +33,21 @@ namespace Security {
 namespace Verify {
 constexpr int32_t ZIP_CHUNK_DIGEST_PRIFIX_LEN = 5;
 
+const std::unordered_map<int32_t, std::string> algorithmNameMap = {
+    { ALGORITHM_SHA256_WITH_RSA_PSS, "SHA256_WITH_RSA_PSS" },
+    { ALGORITHM_SHA384_WITH_RSA_PSS, "SHA384_WITH_RSA_PSS" },
+    { ALGORITHM_SHA512_WITH_RSA_PSS, "SHA512_WITH_RSA_PSS" },
+    { ALGORITHM_SHA256_WITH_RSA_PKCS1_V1_5, "SHA256_WITH_RSA_PKCS1_V1_5" },
+    { ALGORITHM_SHA384_WITH_RSA_PKCS1_V1_5, "SHA384_WITH_RSA_PKCS1_V1_5" },
+    { ALGORITHM_SHA512_WITH_RSA_PKCS1_V1_5, "SHA512_WITH_RSA_PKCS1_V1_5" },
+    { ALGORITHM_SHA256_WITH_ECDSA, "SHA256_WITH_ECDSA" },
+    { ALGORITHM_SHA384_WITH_ECDSA, "SHA384_WITH_ECDSA" },
+    { ALGORITHM_SHA512_WITH_ECDSA, "SHA512_WITH_ECDSA" },
+    { ALGORITHM_SHA256_WITH_DSA, "SHA256_WITH_DSA" },
+    { ALGORITHM_SHA384_WITH_DSA, "SHA384_WITH_DSA" },
+    { ALGORITHM_SHA512_WITH_DSA, "SHA512_WITH_DSA" },
+};
+
 enum HapBlobType {
     HAP_SIGN_BLOB = 0x20000000,
     PROOF_ROTATION_BLOB = 0x20000001,
diff --git a/interfaces/innerkits/appverify/src/util/hap_signing_block_utils.cpp b/interfaces/innerkits/appverify/src/util/hap_signing_block_utils.cpp
index 5bfcd366b138389c158c77d35e0f4818b78e83dd..56c339fa9c54ddab0ba31406b1549d13221ad35c 100644
--- a/interfaces/innerkits/appverify/src/util/hap_signing_block_utils.cpp
+++ b/interfaces/innerkits/appverify/src/util/hap_signing_block_utils.cpp
@@ -434,6 +434,13 @@ bool HapSigningBlockUtils::VerifyHapIntegrity(
     HapByteBufferDataSource eocd(signInfo.hapEocd);
     DataSource* content[ZIP_BLOCKS_NUM_NEED_DIGEST] = { &contentsZip, &centralDir, &eocd };
     int32_t nId = HapVerifyOpensslUtils::GetDigestAlgorithmId(digestInfo.digestAlgorithm);
+    // print signature algorithm name
+    auto algorithmItem = algorithmNameMap.find(digestInfo.digestAlgorithm);
+    if (algorithmItem == algorithmNameMap.end()) {
+        HAPVERIFY_LOG_DEBUG(LABEL, "algorithmName not find");
+    } else {
+        HAPVERIFY_LOG_DEBUG(LABEL, "digestAlgorithm is %{private}s", algorithmItem->second.c_str());
+    }
     DigestParameter digestParam = GetDigestParameter(nId);
     HapByteBuffer chunkDigest;
     if (!ComputeDigestsForEachChunk(digestParam, content, ZIP_BLOCKS_NUM_NEED_DIGEST, chunkDigest)) {