diff --git a/Makefile b/Makefile
index 6b772e9..de1f258 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ all: build
 
 prepare:
 	git submodule update --init --remote
-	go env -w GOPROXY=https://goproxy.io,direct
+	go env -w GOPROXY=https://goproxy.cn,direct
 	$(MAKE) -C JOJ3
 	cp JOJ3/build/joj3 JOJ3/build/repo-health-checker bin/
 	ls -lha bin