diff --git a/android/sdk/src/main/jni/include/loader/adr_loader.h b/android/sdk/src/main/jni/include/loader/adr_loader.h
index 79e0df3d8f9..8090d66ee4b 100644
--- a/android/sdk/src/main/jni/include/loader/adr_loader.h
+++ b/android/sdk/src/main/jni/include/loader/adr_loader.h
@@ -108,4 +108,5 @@ class ADRLoader : public hippy::base::UriLoader {
   std::shared_ptr<JavaRef> bridge_;
   std::weak_ptr<WorkerTaskRunner> runner_;
   std::unordered_map<int64_t, std::function<void(u8string)>> request_map_;
+  std::mutex mutex_;
 };
diff --git a/android/sdk/src/main/jni/src/loader/adr_loader.cc b/android/sdk/src/main/jni/src/loader/adr_loader.cc
index 553a267e8dc..ad677d1c1ce 100644
--- a/android/sdk/src/main/jni/src/loader/adr_loader.cc
+++ b/android/sdk/src/main/jni/src/loader/adr_loader.cc
@@ -255,11 +255,13 @@ REGISTER_JNI("com/tencent/mtt/hippy/bridge/HippyBridgeImpl", // NOLINT(cert-err5
              OnResourceReady)
 
 std::function<void(u8string)> ADRLoader::GetRequestCB(int64_t request_id) {
+  std::lock_guard<std::mutex> lock(mutex_);
   auto it = request_map_.find(request_id);
   return it != request_map_.end() ? it->second : nullptr;
 }
 
 int64_t ADRLoader::SetRequestCB(const std::function<void(u8string)>& cb) {
+  std::lock_guard<std::mutex> lock(mutex_);
   int64_t id = global_request_id.fetch_add(1);
   request_map_.insert({id, cb});
   return id;