diff --git a/luci-app-passwall/luasrc/passwall/api.lua b/luci-app-passwall/luasrc/passwall/api.lua
index 303d37d1f..81b49d408 100644
--- a/luci-app-passwall/luasrc/passwall/api.lua
+++ b/luci-app-passwall/luasrc/passwall/api.lua
@@ -938,7 +938,7 @@ function to_move(app_name,file)
 end
 
 function get_version()
-	return sys.exec("echo -n $(opkg info luci-app-passwall |grep 'Version'|awk '{print $2}')")
+	return sys.exec("echo -n $(opkg list-installed luci-app-passwall |awk '{print $3}')")
 end
 
 function to_check_self()