diff --git a/lite/tools/build.sh b/lite/tools/build.sh
index e28dd6c53e53c477e56e044ada926b4056f1e4e1..4c74f75c91c7931ffba060eb9180d858bc7d54a7 100755
--- a/lite/tools/build.sh
+++ b/lite/tools/build.sh
@@ -360,6 +360,7 @@ function make_x86 {
             -DWITH_GPU=OFF \
             -DLITE_WITH_PYTHON=${BUILD_PYTHON} \
             -DLITE_BUILD_EXTRA=ON \
+            -DCMAKE_BUILD_TYPE=Release \
             -DLITE_WITH_XPU=$BUID_XPU \
             -DXPU_SDK_ROOT=$XPU_SDK_ROOT