diff --git a/target/sdk/Makefile b/target/sdk/Makefile
index b63493de1f..6caddaf046 100644
--- a/target/sdk/Makefile
+++ b/target/sdk/Makefile
@@ -156,11 +156,11 @@ $(BIN_DIR)/$(SDK_NAME).tar.xz: clean
 
 	-rm -f $(SDK_BUILD_DIR)/feeds.conf.default
 	$(if $(BASE_FEED),echo "$(BASE_FEED)" > $(SDK_BUILD_DIR)/feeds.conf.default)
-	cat $(TOPDIR)/feeds.conf.default >> $(SDK_BUILD_DIR)/feeds.conf.default
-	$(if $(OPDE_PYTHON), \
-		LC_ALL=C.UTF-8 LANG=C.UTF-8 $(OPDE_PYTHON) $(OPDE_BUILDER) -s $(TOPDIR) @hack-sdk $(SDK_BUILD_DIR), \
-	        echo "env 'OPDE_PYTHON' missing... skip to hack sdk" \
-	)
+	if [ -f $(TOPDIR)/feeds.conf ]; then \
+		cat $(TOPDIR)/feeds.conf >> $(SDK_BUILD_DIR)/feeds.conf.default; \
+	else \
+		cat $(TOPDIR)/feeds.conf.default >> $(SDK_BUILD_DIR)/feeds.conf.default; \
+	fi
 	$(SED) 's,^# REVISION:=.*,REVISION:=$(REVISION),g' $(SDK_BUILD_DIR)/include/version.mk
 	$(SED) 's,^# SOURCE_DATE_EPOCH:=.*,SOURCE_DATE_EPOCH:=$(SOURCE_DATE_EPOCH),g' $(SDK_BUILD_DIR)/include/version.mk
 	$(SED) '/LINUX_VERMAGIC:=/ { s,unknown,$(LINUX_VERMAGIC),g }' $(SDK_BUILD_DIR)/include/kernel.mk