diff --git a/build/demo/Makefile b/build/demo/Makefile
index 1feb053..9d2ccca 100755
--- a/build/demo/Makefile
+++ b/build/demo/Makefile
@@ -28,7 +28,6 @@ include_dir=-I/usr/local/Ascend/ascend-toolkit/latest/aarch64-linux/include \
 LIBS= -L $(DEPEND_DIR) -lvpt_det_vdec -lsycheck -lface_det_vdec -lhs_tri_process -lhs_truck_process -lhs_motor_process -lphone_motor_det -lhcp_vdec -lmotor_rainshed_vdec -ltraffic_light_vdec -lvehicle_pose_vdec -lroad_seg_vdec -lroad_3clsseg_vdec -latlaslic -lvpt_ascend\
 		-L $(OPENCV_ROOT)/lib -lopencv_world\
 		-L $(JSON_ROOT)/lib -ljsoncpp \
-		-L $(FFMPEG_ROOT)/lib -lavformat -lavcodec -lswscale -lavutil -lavfilter -lswresample -lavdevice -lx264\
 		-L $(RABBITMQ_CLIENT_ROOT)/lib/aarch64-linux-gnu -lrabbitmq \
 		-L/usr/local/Ascend/ascend-toolkit/latest/runtime/lib64 -lacl_dvpp -lascendcl \