diff --git a/plugins/php/versions/common/redis.sh b/plugins/php/versions/common/redis.sh
index 97511276e..18977503b 100755
--- a/plugins/php/versions/common/redis.sh
+++ b/plugins/php/versions/common/redis.sh
@@ -27,7 +27,7 @@ fi
 
 
 NON_ZTS_FILENAME=`ls $serverPath/php/${version}/lib/php/extensions | grep no-debug-non-zts`
-extDir=$serverPath/php/${version}/lib/php/extensions/${NON_ZTS_FILENAME}/
+extFile=$serverPath/php/${version}/lib/php/extensions/${NON_ZTS_FILENAME}/${LIBNAME}.so
 
 if [ "$sysName" == "Darwin" ];then
 	BAK='_bak'
@@ -37,13 +37,13 @@ fi
 
 Install_lib()
 {
-	isInstall=`cat $serverPath/php/$version/etc/php.ini|grep "${LIBNAME}.so"`
+	isInstall=`cat $serverPath/php/${version}/etc/php.ini|grep "${LIBNAME}.so"`
 	if [ "${isInstall}" != "" ];then
 		echo "php-$version 已安装${LIBNAME},请选择其它版本!"
 		return
 	fi
 	
-	extFile=$extDir${LIBNAME}.so
+	
 	if [ ! -f "$extFile" ];then
 
 		php_lib=$sourcePath/php_lib
@@ -80,8 +80,7 @@ Uninstall_lib()
 		echo "php-$version 未安装,请选择其它版本!"
 		return
 	fi
-	
-	extFile=$extDir${LIBNAME}.so
+
 	if [ ! -f "$extFile" ];then
 		echo "php-$version 未安装${LIBNAME},请选择其它版本!"
 		echo "php-$version not install memcache, Plese select other version!"