diff --git a/ShadowsocksX-NG/LaunchAgentUtils.swift b/ShadowsocksX-NG/LaunchAgentUtils.swift
index a068fed..5eac669 100644
--- a/ShadowsocksX-NG/LaunchAgentUtils.swift
+++ b/ShadowsocksX-NG/LaunchAgentUtils.swift
@@ -32,7 +32,7 @@ func generateSSLocalLauchAgentPlist() -> Bool {
     
     let enableUdpRelay = NSUserDefaults.standardUserDefaults().boolForKey("LocalSocks5.EnableUDPRelay")
     
-    var arguments = [sslocalPath, "-c", "ss-local-config.json"]
+    var arguments = [sslocalPath, "-v", "-c", "ss-local-config.json"]
     if enableUdpRelay {
         arguments.append("-u")
     }