diff --git a/APP_Framework/Framework/knowing/kpu/Kconfig b/APP_Framework/Framework/knowing/kpu/Kconfig
index 313de9393..64b89bc00 100644
--- a/APP_Framework/Framework/knowing/kpu/Kconfig
+++ b/APP_Framework/Framework/knowing/kpu/Kconfig
@@ -1,6 +1,6 @@
 menuconfig USING_KPU_PROCESSING
     bool "kpu model processing"
-    default y
+    default n
 if USING_KPU_PROCESSING
         source "$APP_DIR/Framework/knowing/kpu/yolov2/Kconfig"
         source "$APP_DIR/Framework/knowing/kpu/yolov2_json/Kconfig"
diff --git a/APP_Framework/Framework/knowing/kpu/Makefile b/APP_Framework/Framework/knowing/kpu/Makefile
index ff538d7ef..3f713a7f8 100644
--- a/APP_Framework/Framework/knowing/kpu/Makefile
+++ b/APP_Framework/Framework/knowing/kpu/Makefile
@@ -1,3 +1,7 @@
-SRC_DIR := k210_yolov2_detect_procedure yolov2 yolov2_json
+SRC_DIR := 
+
+ifeq ($(CONFIG_USING_KPU_PROCESSING),y)
+	SRC_DIR += k210_yolov2_detect_procedure yolov2 yolov2_json
+endif
 
 include $(KERNEL_ROOT)/compiler.mk