diff --git a/src/org/redkale/convert/ArrayDecoder.java b/src/org/redkale/convert/ArrayDecoder.java
index 4af0253e1..940bedd50 100644
--- a/src/org/redkale/convert/ArrayDecoder.java
+++ b/src/org/redkale/convert/ArrayDecoder.java
@@ -91,6 +91,7 @@ public class ArrayDecoder<T> implements Decodeable<Reader, T[]> {
             int startPosition = in.position();
             while (hasNext(in, member, startPosition, contentLength, first)) {
                 Reader itemReader = getItemReader(in, member, first);
+                if (itemReader == null) break;
                 result.add(readMemberValue(itemReader, member, first));
                 first = false;
             }
diff --git a/src/org/redkale/convert/CollectionDecoder.java b/src/org/redkale/convert/CollectionDecoder.java
index ad87fb639..2bb36bbf3 100644
--- a/src/org/redkale/convert/CollectionDecoder.java
+++ b/src/org/redkale/convert/CollectionDecoder.java
@@ -91,6 +91,7 @@ public class CollectionDecoder<T> implements Decodeable<Reader, Collection<T>> {
             int startPosition = in.position();
             while (hasNext(in, member, startPosition, contentLength, first)) {
                 Reader itemReader = getItemReader(in, member, first);
+                if (itemReader == null) break;
                 result.add(readMemberValue(itemReader, member, first));
                 first = false;
             }
diff --git a/src/org/redkale/convert/MapDecoder.java b/src/org/redkale/convert/MapDecoder.java
index fccf625d9..e5d6fb552 100644
--- a/src/org/redkale/convert/MapDecoder.java
+++ b/src/org/redkale/convert/MapDecoder.java
@@ -104,6 +104,7 @@ public class MapDecoder<K, V> implements Decodeable<Reader, Map<K, V>> {
             int startPosition = in.position();
             while (hasNext(in, member, startPosition, contentLength, first)) {
                 Reader entryReader = getEntryReader(in, member, first);
+                if (entryReader == null) break;
                 K key = readKeyMember(entryReader, member, first);
                 entryReader.readBlank();
                 V value = readValueMember(entryReader, member, first);
diff --git a/src/org/redkale/convert/StreamDecoder.java b/src/org/redkale/convert/StreamDecoder.java
index 8126bbd85..7c07c4b02 100644
--- a/src/org/redkale/convert/StreamDecoder.java
+++ b/src/org/redkale/convert/StreamDecoder.java
@@ -87,6 +87,7 @@ public class StreamDecoder<T> implements Decodeable<Reader, Stream<T>> {
             int startPosition = in.position();
             while (hasNext(in, member, startPosition, contentLength, first)) {
                 Reader itemReader = getItemReader(in, member, first);
+                if (itemReader == null) break;
                 result.add(readMemberValue(itemReader, member, first));
                 first = false;
             }