diff --git a/kernel.mk b/kernel.mk
index 56fcde79ef552cf7816d12b48202bbe0a1564870..2995eb78a12745b88f22053cac859e6f1e4cd453 100644
--- a/kernel.mk
+++ b/kernel.mk
@@ -67,12 +67,12 @@ HDF_PATCH_FILE := $(DEVICE_PATCH_DIR)/hdf.patch
 SMALL_PATCH_FILE := $(DEVICE_PATCH_DIR)/$(DEVICE_NAME)_$(BUILD_TYPE).patch
 KERNEL_IMAGE_FILE := $(KERNEL_SRC_TMP_PATH)/arch/arm/boot/uImage
 DEFCONFIG_FILE := $(DEVICE_NAME)_$(BUILD_TYPE)_defconfig
-export HDF_PROJECT_ROOT=$(OHOS_BUILD_HOME)/
 
 $(KERNEL_IMAGE_FILE):
 	$(hide) echo "build kernel..."
 	$(hide) rm -rf $(KERNEL_SRC_TMP_PATH);mkdir -p $(KERNEL_SRC_TMP_PATH);cp -arfL $(KERNEL_SRC_PATH)/* $(KERNEL_SRC_TMP_PATH)/
-	$(hide) cd $(KERNEL_SRC_TMP_PATH) && patch -p1 < $(HDF_PATCH_FILE) && patch -p1 < $(DEVICE_PATCH_FILE)
+	$(hide) $(OHOS_BUILD_HOME)/drivers/adapter/khdf/linux/patch_hdf.sh $(OHOS_BUILD_HOME) $(KERNEL_SRC_TMP_PATH) $(HDF_PATCH_FILE)
+	$(hide) cd $(KERNEL_SRC_TMP_PATH) && patch -p1 < $(DEVICE_PATCH_FILE)
 ifneq ($(findstring $(BUILD_TYPE), small),)
 	$(hide) cd $(KERNEL_SRC_TMP_PATH) && patch -p1 < $(SMALL_PATCH_FILE)
 endif