diff --git a/security/zzg_linux.go b/security/zzg_linux.go
index 835002e..301e0e9 100644
--- a/security/zzg_linux.go
+++ b/security/zzg_linux.go
@@ -1,3 +1,5 @@
+// +build linux
+
 /*
  * Copyright (c) 2000-2018, 达梦数据库有限公司.
  * All rights reserved.
diff --git a/security/zzg_mac.go b/security/zzg_mac.go
index 835002e..350235d 100644
--- a/security/zzg_mac.go
+++ b/security/zzg_mac.go
@@ -1,3 +1,5 @@
+// +build darwin
+
 /*
  * Copyright (c) 2000-2018, 达梦数据库有限公司.
  * All rights reserved.
diff --git a/security/zzh_windows.go b/security/zzh_windows.go
index 2fa6861..bc4b7f1 100644
--- a/security/zzh_windows.go
+++ b/security/zzh_windows.go
@@ -1,3 +1,5 @@
+// +build windows
+
 /*
  * Copyright (c) 2000-2018, 达梦数据库有限公司.
  * All rights reserved.