diff --git a/build.sh b/build.sh
index f960167c..72eff05b 100755
--- a/build.sh
+++ b/build.sh
@@ -1,11 +1,11 @@
 #!/bin/bash
 #try to connect to google to determine whether user need to use proxy
-curl www.google.com -o /dev/null --connect-timeout 5
+curl www.google.com -o /dev/null --connect-timeout 5 2 > /dev/null
 if [ $? == 0 ]
 then
-    echo "connect to google.com successed"
+    echo "Successfully connected to Google, no need to use Go proxy"
     CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o server .
 else
-    echo "connect to google.com failed"
+    echo "Google is blocked, Go proxy is enabled: GOPROXY=https://goproxy.cn,direct"
     CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GOPROXY=https://goproxy.cn,direct go build -ldflags="-w -s" -o server .
-fi
\ No newline at end of file
+fi