diff --git a/src/AbstractRedisConnection.php b/src/AbstractRedisConnection.php
index 9e4d053..796130a 100644
--- a/src/AbstractRedisConnection.php
+++ b/src/AbstractRedisConnection.php
@@ -17,7 +17,52 @@
 /**
  * Class AbstractRedisConnection
  *
- * @package Swoft\Redis
+ * @link https://wiki.swoole.com/wiki/page/590.html
+ * @link https://github.com/phpredis/phpredis
+ * @package Swoft\Redis 
+ *
+ * set
+ * @method int sAdd($key, $value1, $value2 = null, $valueN = null)
+ * @method array|bool scan(&$iterator, $pattern = null, $count = 0)
+ * @method int sCard($key)
+ * @method array sDiff($key1, $key2, $keyN = null)
+ * @method array sInter($key1, $key2, $keyN = null)
+ * @method int sInterStore($dstKey, $key1, $key2, $keyN = null)
+ * @method int sDiffStore($dstKey, $key1, $key2, $keyN = null)
+ * @method array sMembers($key)
+ * @method bool sMove($srcKey, $dstKey, $member)
+ * @method bool sPop($key)
+ * @method string|array sRandMember($key, $count = null)
+ * @method int sRem($key, $member1, $member2 = null, $memberN = null)
+ * @method array sUnion($key1, $key2, $keyN = null)
+ * @method int sUnionStore($dstKey, $key1, $key2, $keyN = null)
+ * sort
+ * @method int zAdd($key, $score1, $value1, $score2 = null, $value2 = null, $scoreN = null, $valueN = null)
+ * @method array zRange($key, $start, $end, $withscores = null)
+ * @method int zRem($key, $member1, $member2 = null, $memberN = null)
+ * @method array zRevRange($key, $start, $end, $withscore = null)
+ * @method array zRangeByScore($key, $start, $end, array $options = array())
+ * @method array zRangeByLex($key, $min, $max, $offset = null, $limit = null)
+ * @method int zCount($key, $start, $end)
+ * @method int zRemRangeByScore($key, $start, $end)
+ * @method int zRemRangeByRank($key, $start, $end)
+ * @method int zCard($key)
+ * @method float zScore($key, $member)
+ * @method int zRank($key, $member)
+ * @method float zIncrBy($key, $value, $member)
+ * @method int zUnion($Output, $ZSetKeys, array $Weights = null, $aggregateFunction = 'SUM')
+ * @method int zInter($Output, $ZSetKeys, array $Weights = null, $aggregateFunction = 'SUM')
+ * pub/sub
+ * @method int publish($channel, $message)
+ * @method string|array psubscribe($patterns, $callback)
+ * @method string|array subscribe($channels, $callback)
+ * @method array|int pubsub($keyword, $argument)
+ * script
+ * @method mixed eval($script, $args = array(), $numKeys = 0)
+ * @method mixed evalSha($scriptSha, $args = array(), $numKeys = 0)
+ * @method mixed script($command, $script)
+ * @method string getLastError()
+ * @method bool clearLastError()
  */
 abstract class AbstractRedisConnection extends AbstractConnection
 {
diff --git a/src/Redis.php b/src/Redis.php
index 0c9cba5..5b7dc46 100644
--- a/src/Redis.php
+++ b/src/Redis.php
@@ -20,87 +20,7 @@
 use Swoft\Redis\Pool\RedisPool;
 
 /**
- * Redis
- * key and string
- * @method bool setex($key, $ttl, $value)
- * @method bool setnx($key, $value)
- * @method int append($key, $value)
- * @method int decr($key)
- * @method int decrBy($key, $value)
- * @method string getRange($key, $start, $end)
- * @method int incr($key)
- * @method int incrBy($key, $value)
- * @method float incrByFloat($key, $increment)
- * @method int strlen($key)
- * @method bool mset(array $array)
- * @method int ttl($key)
- * @method int expire($key, $seconds)
- * @method int pttl($key)
- * @method int persist($key)
- * hash
- * @method int hSet($key, $hashKey, $value)
- * @method bool hSetNx($key, $hashKey, $value)
- * @method string hGet($key, $hashKey)
- * @method int hLen($key)
- * @method int hDel($key, $hashKey1, $hashKey2 = null, $hashKeyN = null)
- * @method array hKeys($key)
- * @method array hVals($key)
- * @method array hGetAll($key)
- * @method bool hExists($key, $hashKey)
- * @method bool hIncrBy($key, $hashKey, $value)
- * @method bool hIncrByFloat($key, $field, $increment)
- * @method bool hMset($key, $hashKeys)
- * list
- * @method array brPop(array $keys, $timeout)
- * @method array blPop(array $keys, $timeout)
- * @method int lLen($key)
- * @method int lPush($key, $value1, $value2 = null, $valueN = null)
- * @method string lPop($key)
- * @method array lRange($key, $start, $end)
- * @method int lRem($key, $value, $count)
- * @method bool lSet($key, $index, $value)
- * @method int rPush($key, $value1, $value2 = null, $valueN = null)
- * @method string rPop($key)
- * set
- * @method int sAdd($key, $value1, $value2 = null, $valueN = null)
- * @method array|bool scan(&$iterator, $pattern = null, $count = 0)
- * @method int sCard($key)
- * @method array sDiff($key1, $key2, $keyN = null)
- * @method array sInter($key1, $key2, $keyN = null)
- * @method int sInterStore($dstKey, $key1, $key2, $keyN = null)
- * @method int sDiffStore($dstKey, $key1, $key2, $keyN = null)
- * @method array sMembers($key)
- * @method bool sMove($srcKey, $dstKey, $member)
- * @method bool sPop($key)
- * @method string|array sRandMember($key, $count = null)
- * @method int sRem($key, $member1, $member2 = null, $memberN = null)
- * @method array sUnion($key1, $key2, $keyN = null)
- * @method int sUnionStore($dstKey, $key1, $key2, $keyN = null)
- * sort
- * @method int zAdd($key, $score1, $value1, $score2 = null, $value2 = null, $scoreN = null, $valueN = null)
- * @method array zRange($key, $start, $end, $withscores = null)
- * @method int zRem($key, $member1, $member2 = null, $memberN = null)
- * @method array zRevRange($key, $start, $end, $withscore = null)
- * @method array zRangeByScore($key, $start, $end, array $options = array())
- * @method array zRangeByLex($key, $min, $max, $offset = null, $limit = null)
- * @method int zCount($key, $start, $end)
- * @method int zRemRangeByScore($key, $start, $end)
- * @method int zRemRangeByRank($key, $start, $end)
- * @method int zCard($key)
- * @method float zScore($key, $member)
- * @method int zRank($key, $member)
- * @method float zIncrBy($key, $value, $member)
- * @method int zUnion($Output, $ZSetKeys, array $Weights = null, $aggregateFunction = 'SUM')
- * @method int zInter($Output, $ZSetKeys, array $Weights = null, $aggregateFunction = 'SUM')
- * pub/sub
- * @method int publish($channel, $message)
- * @method string|array psubscribe($patterns, $callback)
- * @method string|array subscribe($channels, $callback)
- * @method array|int pubsub($keyword, $argument)
- * script
- * @method mixed eval($script, $args = array(), $numKeys = 0)
- * @method mixed evalSha($scriptSha, $args = array(), $numKeys = 0)
- * @method mixed script($command, $script)
+ * Psr 16 implement by Redis 
  * @method string getLastError()
  * @method bool clearLastError()
  */
@@ -134,14 +54,14 @@ public function get($key, $default = null)
      *
      * @param string $key
      * @param mixed  $value
-     * @param int    $ttl
+     * @param int    $ttl unit is seconds
      *
      * @return bool
      */
     public function set($key, $value, $ttl = null): bool
     {
         $ttl    = $this->getTtl($ttl);
-        $params = ($ttl === 0) ? [$key, $value] : [$key, $value, $ttl];
+        $params = ($ttl <= 0) ? [$key, $value] : [$key, $value, $ttl];
 
         return $this->call('set', $params);
     }
@@ -319,7 +239,7 @@ public function __call($method, $arguments)
      *
      * @return mixed
      */
-    private function call(string $method, array $params)
+    public function call(string $method, array $params)
     {
         /* @var PoolInterface $connectPool */
         $connectPool = App::getPool($this->poolName);