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 d5c44b040f07880aaec2d2cef25af943d1a84e5e..b91679b1049f68680acde2a6acefd8c305f3901c 100644
--- a/interfaces/innerkits/appverify/include/util/hap_signing_block_utils.h
+++ b/interfaces/innerkits/appverify/include/util/hap_signing_block_utils.h
@@ -117,6 +117,7 @@ private:
     static bool ParseSignBlockHead(HapSignBlockHead& hapSignBlockHead, HapByteBuffer& hapBlockHead);
     static bool ParseSubSignBlockHead(HapSubSignBlockHead& subSignBlockHead, HapByteBuffer& hapBlockHead);
     static bool CheckSignBlockHead(const HapSignBlockHead& hapSignBlockHead);
+    static bool HapVerifyParallelizationSupported();
 };
 } // namespace Verify
 } // namespace Security
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 693c4f35b6f08c63df9168f49366eeb9e223b435..5e1cbade57df87a12dcfd0fd647b6d926c96859c 100644
--- a/interfaces/innerkits/appverify/src/util/hap_signing_block_utils.cpp
+++ b/interfaces/innerkits/appverify/src/util/hap_signing_block_utils.cpp
@@ -17,6 +17,7 @@
 
 #include <atomic>
 #include <climits>
+#include <parameters.h>
 #include <thread>
 #include <vector>
 
@@ -451,7 +452,7 @@ bool HapSigningBlockUtils::VerifyHapIntegrity(
     chunkDigest.SetCapacity(sumOfChunksLen);
     chunkDigest.PutByte(0, ZIP_FIRST_LEVEL_CHUNK_PREFIX);
     chunkDigest.PutInt32(1, chunkCount);
-    if (contentsZipSize <= SMALL_FILE_SIZE) {
+    if (!HapVerifyParallelizationSupported() || contentsZipSize <= SMALL_FILE_SIZE) {
         // No parallel for small size <= 2MB.
         int32_t offset = ZIP_CHUNK_DIGEST_PRIFIX_LEN;
         if (!ComputeDigestsForDataSourceArray(digestParam, content, ZIP_BLOCKS_NUM_NEED_DIGEST, chunkDigest, offset)) {
@@ -662,6 +663,11 @@ bool HapSigningBlockUtils::InitDigestPrefix(const DigestParameter& digestParam,
     }
     return true;
 }
+
+bool HapSigningBlockUtils::HapVerifyParallelizationSupported()
+{
+    return OHOS::system::GetBoolParameter("const.appverify.hap_verify_parallel", false);
+}
 } // namespace Verify
 } // namespace Security
 } // namespace OHOS