minor improvements

src/main/java/org/redisson/RedissonMap.java

@@ -290,7 +290,7 @@ public class RedissonMap<K, V> extends RedissonExpirable implements RMap<K, V> {
         Promise<V> promise = connectionManager.getGroup().next().newPromise();
         RedisAsyncConnection<Object, V> async = connection.getAsync();
         putAsync(key, value, promise, async);
-        promise.addListener(connectionManager.createReleaseReadListener(connection));
+        promise.addListener(connectionManager.createReleaseWriteListener(connection));
         return promise;
     }
 

src/main/java/org/redisson/RedissonSortedSet.java

@@ -498,9 +498,6 @@ public class RedissonSortedSet<V> extends RedissonObject implements RSortedSet<V
                     if (BigDecimal.valueOf(leftScore).add(BigDecimal.valueOf(inc)).compareTo(BigDecimal.valueOf(rightScore)) >= 0) {
                       // TODO check strange behavior
 //                    if (leftScore + inc >= rightScore) {
-                        if (inc == 0) {
-                            inc = 0.1;
-                        }
                         score = BigDecimal.valueOf(leftScore).add(BigDecimal.valueOf(inc).divide(BigDecimal.TEN)).doubleValue();
                     } else {
                         score = BigDecimal.valueOf(leftScore).add(BigDecimal.valueOf(inc)).doubleValue();