diff --git a/src/MaaCore/Config/ResourceLoader.cpp b/src/MaaCore/Config/ResourceLoader.cpp
index 327c8a558f..08783a2fb5 100644
--- a/src/MaaCore/Config/ResourceLoader.cpp
+++ b/src/MaaCore/Config/ResourceLoader.cpp
@@ -83,6 +83,8 @@ bool asst::ResourceLoader::load(const std::filesystem::path& path)
         return false;
     }
 
+    std::unique_lock<std::mutex> lock(m_entry_mutex);
+
 #define LoadResourceAndCheckRet(Config, Filename)                 \
     {                                                             \
         auto full_path = path / Filename;                         \
diff --git a/src/MaaCore/Config/ResourceLoader.h b/src/MaaCore/Config/ResourceLoader.h
index b33aad80de..010737797b 100644
--- a/src/MaaCore/Config/ResourceLoader.h
+++ b/src/MaaCore/Config/ResourceLoader.h
@@ -56,6 +56,7 @@ namespace asst
 
     private:
         bool m_loaded = false;
+        std::mutex m_entry_mutex;
 
         // only for async load
         bool m_load_thread_exit = false;