diff --git a/android-jdk6-redkale/src/org/redkale/convert/ArrayEncoder.java b/android-jdk6-redkale/src/org/redkale/convert/ArrayEncoder.java
index d3e7f90a6..7d81386cd 100644
--- a/android-jdk6-redkale/src/org/redkale/convert/ArrayEncoder.java
+++ b/android-jdk6-redkale/src/org/redkale/convert/ArrayEncoder.java
@@ -45,6 +45,7 @@ public final class ArrayEncoder<T> implements Encodeable<Writer, T[]> {
     @Override
     public void convertTo(Writer out, T[] value) {
         if (value == null) {
+            out.wirteClassName(null);
             out.writeNull();
             return;
         }