refactor

@@ -20,8 +20,6 @@ public class RedisLock {
     private static final Long RELEASE_SUCCESS = 1L;
 
     private static final String ACQUIRE_SUCCESS = "OK";
-    private static final String SET_IF_NOT_EXIST = "NX";
-    private static final String SET_WITH_EXPIRE_TIME = "PX";
 
     @Redis("gwNoSyncRedis")
     private YHRedisTemplate redis;
@@ -31,11 +29,11 @@ public class RedisLock {
 
     public boolean acquire(RedisKeyBuilder keyBuilder, String value, final long timeout, final TimeUnit unit) {
         try {
-            String script = "return redis.call('set', KEYS[1],ARGV[1],ARGV[2],ARGV[3],ARGV[4])";
-            RedisScript<String> redisScript = new DefaultRedisScript(script, String.class);
+            String script = "return redis.call('SET', KEYS[1], ARGV[1], 'NX', 'PX', ARGV[2]) ";
+            RedisScript<String> redisScript = new DefaultRedisScript<>(script, String.class);
             String key = keyBuilder.getKey();
             String result = redis.getStringRedisTemplate().execute(redisScript, Lists.newArrayList(key),
-                    value, SET_IF_NOT_EXIST, SET_WITH_EXPIRE_TIME, unit.toMillis(timeout));
+                    value, String.valueOf(unit.toMillis(timeout)));
             return ACQUIRE_SUCCESS.equals(result);
         } catch (Exception e) {
             return false;