diff --git a/conf/wide.go b/conf/wide.go
index 9c735b5..ce361a8 100644
--- a/conf/wide.go
+++ b/conf/wide.go
@@ -83,7 +83,7 @@ func FixedTimeCheckEnv() {
 				os.Exit(-1)
 			}
 
-			gocode := Wide.GetGocode()
+			gocode := Wide.GetExecutableInGOBIN("gocode")
 			cmd := exec.Command(gocode, "close")
 			_, err := cmd.Output()
 			if nil != err {
@@ -91,7 +91,7 @@ func FixedTimeCheckEnv() {
 				glog.Warningf("Not found gocode [%s]", gocode)
 			}
 
-			ide_stub := Wide.GetIDEStub()
+			ide_stub := Wide.GetExecutableInGOBIN("ide_stub")
 			cmd = exec.Command(ide_stub, "version")
 			_, err = cmd.Output()
 			if nil != err {
@@ -149,40 +149,40 @@ func (*conf) GetUser(username string) *User {
 	return nil
 }
 
-// 获取 gocode 路径.
-func (*conf) GetGocode() string {
-	return getGOBIN() + "gocode"
-}
-
-// 获取 ide_stub 路径.
-func (*conf) GetIDEStub() string {
-	return getGOBIN() + "ide_stub"
-}
-
-// 获取 GOBIN 路径，末尾带路径分隔符.
-func getGOBIN() string {
-	// $GOBIN/
-	ret := os.Getenv("GOBIN")
-	if "" != ret {
-		return ret + PathSeparator
+// 获取 GOBIN 中 executable 指定的文件路径.
+//
+// 函数内部会判断操作系统，如果是 Windows 则在 executable 实参后加入 .exe 后缀.
+func (*conf) GetExecutableInGOBIN(executable string) string {
+	if util.OS.IsWindows() {
+		executable += ".exe"
 	}
 
-	// $GOPATH/bin/$GOOS_$GOARCH/
-	ret = os.Getenv("GOPATH") + PathSeparator + "bin" + PathSeparator +
-		os.Getenv("GOOS") + "_" + os.Getenv("GOARCH")
-	if isExist(ret) {
-		return ret + PathSeparator
+	gopaths := strings.Split(os.Getenv("GOPATH"), PathListSeparator)
+
+	for _, gopath := range gopaths {
+		// $GOPATH/bin/$GOOS_$GOARCH/executable
+		ret := gopath + PathSeparator + "bin" + PathSeparator +
+			os.Getenv("GOOS") + "_" + os.Getenv("GOARCH") + PathSeparator + executable
+		if isExist(ret) {
+			return ret
+		}
+
+		// $GOPATH/bin/{runtime.GOOS}_{runtime.GOARCH}/executable
+		ret = gopath + PathSeparator + "bin" + PathSeparator +
+			runtime.GOOS + "_" + runtime.GOARCH + PathSeparator + executable
+		if isExist(ret) {
+			return ret
+		}
+
+		// $GOPATH/bin/executable
+		ret = gopath + PathSeparator + "bin" + PathSeparator + executable
+		if isExist(ret) {
+			return ret
+		}
 	}
 
-	// $GOPATH/bin/{runtime.GOOS}_{runtime.GOARCH}/
-	ret = os.Getenv("GOPATH") + PathSeparator + "bin" + PathSeparator +
-		runtime.GOOS + "_" + runtime.GOARCH
-	if isExist(ret) {
-		return ret + PathSeparator
-	}
-
-	// $GOPATH/bin/
-	return os.Getenv("GOPATH") + PathSeparator + "bin" + PathSeparator
+	// $GOBIN/executable
+	return os.Getenv("GOBIN") + PathSeparator + executable
 }
 
 // 保存 Wide 配置.
diff --git a/editor/editors.go b/editor/editors.go
index c22be21..85514b0 100644
--- a/editor/editors.go
+++ b/editor/editors.go
@@ -56,7 +56,7 @@ func WSHandler(w http.ResponseWriter, r *http.Request) {
 
 		// glog.Infof("offset: %d", offset)
 
-		gocode := conf.Wide.GetGocode()
+		gocode := conf.Wide.GetExecutableInGOBIN("gocode")
 		argv := []string{"-f=json", "autocomplete", strconv.Itoa(offset)}
 
 		var output bytes.Buffer
@@ -135,7 +135,7 @@ func AutocompleteHandler(w http.ResponseWriter, r *http.Request) {
 	glog.V(5).Infof("gocode set lib-path %s", libPath)
 
 	// FIXME: 使用 gocode set lib-path 在多工作空间环境下肯定是有问题的，需要考虑其他实现方式
-	gocode := conf.Wide.GetGocode()
+	gocode := conf.Wide.GetExecutableInGOBIN("gocode")
 	argv := []string{"set", "lib-path", libPath}
 	exec.Command(gocode, argv...).Run()
 
@@ -207,7 +207,7 @@ func GetExprInfoHandler(w http.ResponseWriter, r *http.Request) {
 	// glog.Infof("offset [%d]", offset)
 
 	// TODO: 目前是调用 liteide_stub 工具来查找声明，后续需要重新实现
-	ide_stub := conf.Wide.GetIDEStub()
+	ide_stub := conf.Wide.GetExecutableInGOBIN("ide_stub")
 	argv := []string{"type", "-cursor", filename + ":" + strconv.Itoa(offset), "-info", "."}
 	cmd := exec.Command(ide_stub, argv...)
 	cmd.Dir = curDir
@@ -281,7 +281,7 @@ func FindDeclarationHandler(w http.ResponseWriter, r *http.Request) {
 	// glog.Infof("offset [%d]", offset)
 
 	// TODO: 目前是调用 liteide_stub 工具来查找声明，后续需要重新实现
-	ide_stub := conf.Wide.GetIDEStub()
+	ide_stub := conf.Wide.GetExecutableInGOBIN("ide_stub")
 	argv := []string{"type", "-cursor", filename + ":" + strconv.Itoa(offset), "-def", "."}
 	cmd := exec.Command(ide_stub, argv...)
 	cmd.Dir = curDir
@@ -363,7 +363,7 @@ func FindUsagesHandler(w http.ResponseWriter, r *http.Request) {
 	// glog.Infof("offset [%d]", offset)
 
 	// TODO: 目前是调用 liteide_stub 工具来查找使用，后续需要重新实现
-	ide_stub := conf.Wide.GetIDEStub()
+	ide_stub := conf.Wide.GetExecutableInGOBIN("ide_stub")
 	argv := []string{"type", "-cursor", filename + ":" + strconv.Itoa(offset), "-use", "."}
 	cmd := exec.Command(ide_stub, argv...)
 	cmd.Dir = curDir
diff --git a/output/outputs.go b/output/outputs.go
index 8017307..c1038ed 100644
--- a/output/outputs.go
+++ b/output/outputs.go
@@ -225,7 +225,7 @@ func BuildHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	suffix := ""
-	if "windows" == runtime.GOOS {
+	if util.OS.IsWindows() {
 		suffix = ".exe"
 	}
 	executable := "main" + suffix
diff --git a/util/os.go b/util/os.go
new file mode 100644
index 0000000..7350aeb
--- /dev/null
+++ b/util/os.go
@@ -0,0 +1,15 @@
+package util
+
+import (
+	"runtime"
+)
+
+type myos struct{}
+
+// 操作系统工具.
+var OS = myos{}
+
+// 判断是否是 Windows 操作系统.
+func (*myos) IsWindows() bool {
+	return "windows" == runtime.GOOS
+}