diff --git a/ShadowsocksX-NG/LaunchAgentUtils.swift b/ShadowsocksX-NG/LaunchAgentUtils.swift
index 9b410aa..0ef1af9 100644
--- a/ShadowsocksX-NG/LaunchAgentUtils.swift
+++ b/ShadowsocksX-NG/LaunchAgentUtils.swift
@@ -11,7 +11,7 @@ import Foundation
 let SS_LOCAL_VERSION = "3.1.3"
 let KCPTUN_CLIENT_VERSION = "v20170718"
 let PRIVOXY_VERSION = "3.0.26.static"
-let SIMPLE_OBFS_VERSION = "0.0.5"
+let SIMPLE_OBFS_VERSION = "0.0.5_1"
 let APP_SUPPORT_DIR = "/Library/Application Support/ShadowsocksX-NG/"
 let LAUNCH_AGENT_DIR = "/Library/LaunchAgents/"
 let LAUNCH_AGENT_CONF_SSLOCAL_NAME = "com.qiuyuzhou.shadowsocksX-NG.local.plist"
diff --git a/ShadowsocksX-NG/simple-obfs/install_simple_obfs.sh b/ShadowsocksX-NG/simple-obfs/install_simple_obfs.sh
index 4546061..5ea3aa6 100644
--- a/ShadowsocksX-NG/simple-obfs/install_simple_obfs.sh
+++ b/ShadowsocksX-NG/simple-obfs/install_simple_obfs.sh
@@ -5,7 +5,7 @@ FILE_DIR=`dirname "${BASH_SOURCE[0]}"`
 cd "$FILE_DIR"
 
 NGDir="$HOME/Library/Application Support/ShadowsocksX-NG"
-TargetDir="$NGDir/simple-obfs-0.0.5"
+TargetDir="$NGDir/simple-obfs-0.0.5_1"
 PluginDir="$NGDir/plugins"
 
 echo ngdir: ${NGDir}
@@ -16,5 +16,6 @@ mkdir -p "$PluginDir"
 cp -f obfs-local "$TargetDir"
 
 ln -sfh "$TargetDir/obfs-local" "$PluginDir/simple-obfs"
+ln -sfh "$TargetDir/obfs-local" "$PluginDir/obfs-local"
 
 echo done