diff --git a/src/org/redkale/convert/ArrayDecoder.java b/src/org/redkale/convert/ArrayDecoder.java
index e0e0f026f..19ed88547 100644
--- a/src/org/redkale/convert/ArrayDecoder.java
+++ b/src/org/redkale/convert/ArrayDecoder.java
@@ -119,6 +119,7 @@ public class ArrayDecoder<T> implements Decodeable<Reader, T[]> {
     }
 
     protected T readMemberValue(Reader in, DeMember member, Decodeable<Reader, T> decoder, boolean first) {
+        if (in == null) return null;
         return decoder.convertFrom(in);
     }
 
diff --git a/src/org/redkale/convert/CollectionDecoder.java b/src/org/redkale/convert/CollectionDecoder.java
index 0e432a0b6..a67feccdd 100644
--- a/src/org/redkale/convert/CollectionDecoder.java
+++ b/src/org/redkale/convert/CollectionDecoder.java
@@ -129,6 +129,7 @@ public class CollectionDecoder<T> implements Decodeable<Reader, Collection<T>> {
     }
 
     protected T readMemberValue(Reader in, DeMember member, Decodeable<Reader, T> decoder, boolean first) {
+        if (in == null) return null;
         return decoder.convertFrom(in);
     }