diff --git a/Jenkinsfile b/Jenkinsfile
index c26959f..feb8847 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -58,12 +58,12 @@ node('test')
 		//step
 		//{
 		sh label: 'copy_config', script: 'cp owrt_build_script/configs/tl_wr841_v11_config openwrt/.config'
-		sh label: 'build', script: 'cd openwrt; make -j13'
+		sh label: 'build_v11', script: 'cd openwrt; make oldconfig; make -j13'
 		//}
 		//step
 		//{
 		sh label: 'copy_config', script: 'cp owrt_build_script/configs/tl_wr841_v12_config openwrt/.config'
-		sh label: 'build_v12', script: 'cd openwrt; make -j13'
+		sh label: 'build_v12', script: 'cd openwrt; make oldconfig; make -j13'
 		//}
    }