diff --git a/src/com/wentch/redkale/convert/json/JsonConvert.java b/src/com/wentch/redkale/convert/json/JsonConvert.java
index ae5ebffa8..d965935e3 100644
--- a/src/com/wentch/redkale/convert/json/JsonConvert.java
+++ b/src/com/wentch/redkale/convert/json/JsonConvert.java
@@ -16,7 +16,7 @@ import java.lang.reflect.*;
 @SuppressWarnings("unchecked")
 public final class JsonConvert extends Convert<JsonReader, JsonWriter> {
 
-    public static final Type TYPE_MAP_STRING_STRING = new TypeToken<java.util.Map<String, String>>() {
+    public static final Type TYPE_MAP_STRING_STRING = new TypeToken<java.util.LinkedHashMap<String, String>>() {
     }.getType();
 
     private static final ObjectPool<JsonReader> readerPool = JsonReader.createPool(Integer.getInteger("convert.json.pool.size", 16));