diff --git a/execute.go b/execute.go
index 83671f3..13abecf 100644
--- a/execute.go
+++ b/execute.go
@@ -44,7 +44,7 @@ func Execute(workDir string, command string, param []string) define.Result {
 	var (
 		fileInfo os.FileInfo
 	)
-	if fileInfo, result.Error = os.Stat(workDir); nil != result.Error {
+	if fileInfo, result.Error = os.Stat(result.WorkDir); nil != result.Error {
 		if !os.IsExist(result.Error) {
 			return result
 		}
@@ -53,14 +53,14 @@ func Execute(workDir string, command string, param []string) define.Result {
 	}
 
 	if !fileInfo.IsDir() {
-		result.Error = errors.New(workDir + " 工作目录不存在")
+		result.Error = errors.New(result.WorkDir + " 工作目录不存在")
 	}
 
 	if result.CmdPath, result.Error = Check(command); nil != result.Error {
 		return result
 	}
 	cmdInstance := exec.Command(command, param...)
-	cmdInstance.Dir = workDir
+	cmdInstance.Dir = result.WorkDir
 	result.Output, result.Error = cmdInstance.CombinedOutput()
 	return result
 }