From 46ed5d12c11224a04289714c8c4edf0208bd466a Mon Sep 17 00:00:00 2001
From: Tony <i@tony.wiki>
Date: Tue, 27 Aug 2019 10:36:40 +0800
Subject: [PATCH] fix gopath

---
 tool/kratos-protoc/protoc.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tool/kratos-protoc/protoc.go b/tool/kratos-protoc/protoc.go
index af96ad91b..75e25a737 100644
--- a/tool/kratos-protoc/protoc.go
+++ b/tool/kratos-protoc/protoc.go
@@ -145,7 +145,7 @@ func latestKratos() (string, error) {
 
 func gopath() (gp string) {
 	gopaths := strings.Split(os.Getenv("GOPATH"), ":")
-	if len(gopaths) == 1 {
+	if len(gopaths) == 1 && gopaths[0] != "" {
 		return gopaths[0]
 	}
 	pwd, err := os.Getwd()
@@ -157,6 +157,9 @@ func gopath() (gp string) {
 		return
 	}
 	for _, gopath := range gopaths {
+		if gopath == "" {
+			continue
+		}
 		absgp, err := filepath.Abs(gopath)
 		if err != nil {
 			return