diff --git a/cmd/ps.go b/cmd/ps.go
index 23cfa47..388bc68 100644
--- a/cmd/ps.go
+++ b/cmd/ps.go
@@ -105,7 +105,7 @@ func getSrvStatus(srv string) PsTable {
 func getCurrentVersion(srv string) string {
 	var data map[string]string
 
-	execbin := filepath.Join(env.MeshEnv.Prefix + srv)
+	execbin := filepath.Join(env.MeshEnv.Prefix, srv)
 	cmd := exec.Command(execbin, "--json") // 替换为适合操作系统的命令
 	output, err := cmd.Output()
 	fmt.Println(string(output), err)