diff --git a/utils/src/code_sign_block.cpp b/utils/src/code_sign_block.cpp
index d1b8e242ed17f702af4da64fcd902e5ffe4ecf22..6d5587f4b43884741b7ddff1c72e7b6dbbed090a 100644
--- a/utils/src/code_sign_block.cpp
+++ b/utils/src/code_sign_block.cpp
@@ -186,8 +186,8 @@ int32_t CodeSignBlock::ParseNativeLibSignInfo(const EntryMap &entryMap)
 
 int32_t CodeSignBlock::ParseHapSignInfo(const std::string &path)
 {
-    std::lock_guard<std::mutex> guard(signMapMutex_);
     auto hapInfo = GetHapSignInfo();
+    std::lock_guard<std::mutex> guard(signMapMutex_);
     signMap_.emplace(path, reinterpret_cast<uintptr_t>(&hapInfo->signInfo));
     return CS_SUCCESS;
 }