diff --git a/src/org/redkale/convert/json/JsonConvert.java b/src/org/redkale/convert/json/JsonConvert.java
index 03f51e0ef..a0eb218b3 100644
--- a/src/org/redkale/convert/json/JsonConvert.java
+++ b/src/org/redkale/convert/json/JsonConvert.java
@@ -160,7 +160,7 @@ public final class JsonConvert extends TextConvert<JsonReader, JsonWriter> {
         if (value == null) {
             new JsonStreamWriter(tiny, out).writeNull();
         } else {
-            factory.loadEncoder(value.getClass()).convertTo(new JsonStreamWriter(tiny, out), value);
+            convertTo(out, value.getClass(), value);
         }
     }
 
@@ -169,7 +169,15 @@ public final class JsonConvert extends TextConvert<JsonReader, JsonWriter> {
         if (value == null) {
             new JsonStreamWriter(tiny, out).writeNull();
         } else {
-            factory.loadEncoder(type).convertTo(new JsonStreamWriter(tiny, out), value);
+            final JsonWriter writer = writerPool.get().tiny(tiny);
+            factory.loadEncoder(type).convertTo(writer, value);
+            byte[] bs = writer.toBytes();
+            writerPool.accept(writer);
+            try {
+                out.write(bs);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
         }
     }
 
@@ -177,7 +185,15 @@ public final class JsonConvert extends TextConvert<JsonReader, JsonWriter> {
         if (values == null) {
             new JsonStreamWriter(tiny, out).writeNull();
         } else {
-            ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(new JsonStreamWriter(tiny, out), values);
+            final JsonWriter writer = writerPool.get().tiny(tiny);
+            ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(writer, values);
+            byte[] bs = writer.toBytes();
+            writerPool.accept(writer);
+            try {
+                out.write(bs);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
         }
     }
 
diff --git a/src/org/redkale/convert/json/JsonWriter.java b/src/org/redkale/convert/json/JsonWriter.java
index 74fc10576..914ead004 100644
--- a/src/org/redkale/convert/json/JsonWriter.java
+++ b/src/org/redkale/convert/json/JsonWriter.java
@@ -59,6 +59,7 @@ public class JsonWriter extends Writer {
      * 返回指定至少指定长度的缓冲区
      *
      * @param len
+     *
      * @return
      */
     private char[] expand(int len) {
@@ -108,6 +109,10 @@ public class JsonWriter extends Writer {
         return new ByteBuffer[]{ByteBuffer.wrap(Utility.encodeUTF8(content, 0, count))};
     }
 
+    public byte[] toBytes() {
+        return Utility.encodeUTF8(content, 0, count);
+    }
+
     public int count() {
         return this.count;
     }