diff --git a/mace/examples/android/build.sh b/mace/examples/android/build.sh
index 4bbb177d406df158ad839c59ba122bf0c082df68..c1bf9cbbc0627e38f876449dc5d8e92e7ae0f6a7 100755
--- a/mace/examples/android/build.sh
+++ b/mace/examples/android/build.sh
@@ -56,7 +56,7 @@ python tools/converter.py convert --config=mace/examples/android/mobilenet.yml -
 cp -rf builds/mobilenet/include/mace/public/*.h $INCLUDE_DIR
 cp -rf builds/mobilenet/model $LIBRARY_DIR
 
-bazel build --config android --config optimization $BAZEL_LIBMACE_TARGET --define neon=true --define openmp=true --define opencl=true --cpu=$TARGET_ABI
+bazel build --config android --config optimization $BAZEL_LIBMACE_TARGET --define neon=true --define openmp=true --define opencl=true --define quantize=true --cpu=$TARGET_ABI
 cp -rf mace/public/*.h $INCLUDE_DIR
 cp -rf $BAZEL_GEN_LIBMACE_PATH $LIBMACE_DIR
 
diff --git a/mace/examples/android/macelibrary/src/main/cpp/image_classify.cc b/mace/examples/android/macelibrary/src/main/cpp/image_classify.cc
index b414782a8462cee1bf596a9cae00718b30ff9844..f27519b634806d2ac5f0d8e72fe5a22d8387403d 100755
--- a/mace/examples/android/macelibrary/src/main/cpp/image_classify.cc
+++ b/mace/examples/android/macelibrary/src/main/cpp/image_classify.cc
@@ -68,6 +68,7 @@ mace::DeviceType ParseDeviceType(const std::string &device) {
 }
 
 MaceContext& GetMaceContext() {
+  // TODO(yejianwu): In multi-dlopen process, this step may cause memory leak.
   static auto *mace_context = new MaceContext;
 
   return *mace_context;