diff --git a/Makefile b/Makefile
index ddf0068..4ea0834 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-GO ?= go
+GO ?= TZ=PRC go
 GOFMT ?= gofmt "-s"
 GO_VERSION=$(shell $(GO) version | cut -c 14- | cut -d' ' -f1 | cut -d'.' -f2)
 PACKAGES ?= $(shell $(GO) list ./...)