diff --git a/execute.go b/execute.go
index 7c5b1e6..8c334d3 100644
--- a/execute.go
+++ b/execute.go
@@ -9,6 +9,7 @@ package command
 
 import (
 	"errors"
+	"os"
 	"os/exec"
 	"time"
 
@@ -32,6 +33,21 @@ func Execute(workDir string, command string, param []string) define.Result {
 	defer func() {
 		result.FinishTime = time.Now().UnixNano()
 	}()
+	var (
+		fileInfo os.FileInfo
+	)
+	if fileInfo, result.Error = os.Stat(workDir); nil != result.Error {
+		if !os.IsExist(result.Error) {
+			return result
+		}
+		// 目录已存在
+		result.Error = nil
+	}
+
+	if !fileInfo.IsDir() {
+		result.Error = errors.New(workDir + " 工作目录不存在")
+	}
+
 	if result.CmdPath, result.Error = Check(command); nil != result.Error {
 		return result
 	}