diff --git a/Makefile b/Makefile
index d851820..a064343 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ IS_DEBUG := DEBUG
 #如果是, 就取GUI，否则就是空
 IS_GUI :=
 
-VERSION := 0.0.3.3
+VERSION := 0.0.3.4
 CONFIG	 := ./drcomrc
 ifneq "$(IS_GUI)" ""
 	RES := resource
diff --git a/main_cli.c b/main_cli.c
index 6d0b6f6..c60ad16 100644
--- a/main_cli.c
+++ b/main_cli.c
@@ -99,7 +99,7 @@ int main(int argc, char **argv)
 #endif
 
 	if (islogoff) {
-		eaplogoff();
+		try_smart_logoff();
 		return 0;
 	}
 
diff --git a/wrap_eapol.c b/wrap_eapol.c
index da09e8f..b64c71c 100644
--- a/wrap_eapol.c
+++ b/wrap_eapol.c
@@ -10,7 +10,7 @@ extern int try_smart_login(char const *uname, char const *pwd)
     if (0 >= getall_ifs(ifs, &ifs_max)) return -3;
 	int i;
     for (i = 0; i < ifs_max; ++i) {
-        _M("%d. try interface (%s) to login\n", i,
+        _M("%d. try interface (%s) to login...\n", i,
 #ifdef LINUX
                 ifs[i].name
 #elif defined(WINDOWS)
@@ -30,3 +30,23 @@ extern int try_smart_login(char const *uname, char const *pwd)
     }
 	return ret;
 }
+
+extern void try_smart_logoff(void)
+{
+    iflist_t ifs[IFS_MAX];
+    int ifs_max = IFS_MAX;
+	int ret = -3;
+    if (0 >= getall_ifs(ifs, &ifs_max)) return;
+	int i;
+    for (i = 0; i < ifs_max; ++i) {
+        _M("%d. try interface (%s) to logoff...\n", i,
+#ifdef LINUX
+                ifs[i].name
+#elif defined(WINDOWS)
+                ifs[i].desc
+#endif
+          );
+        setifname(ifs[i].name);
+		eaplogoff();
+	}
+}
diff --git a/wrap_eapol.h b/wrap_eapol.h
index afe75fe..ee8368c 100644
--- a/wrap_eapol.h
+++ b/wrap_eapol.h
@@ -8,5 +8,9 @@
  * 自动选择网卡登录
  */
 extern int try_smart_login(char const *uname, char const *pwd);
+/*
+ * 自动选择网卡离线
+ */
+extern void try_smart_logoff(void);
 
 #endif