diff --git a/pay-java-common/src/main/java/com/egzosn/pay/common/http/ClientHttpRequest.java b/pay-java-common/src/main/java/com/egzosn/pay/common/http/ClientHttpRequest.java
index 29b7eae..85ecb23 100644
--- a/pay-java-common/src/main/java/com/egzosn/pay/common/http/ClientHttpRequest.java
+++ b/pay-java-common/src/main/java/com/egzosn/pay/common/http/ClientHttpRequest.java
@@ -134,8 +134,12 @@ public class ClientHttpRequest<T> extends HttpEntityEnclosingRequestBase impleme
             responseType = (Class<T>) String.class;
         }
 
-
-        String[] value = entity.getContentType().getValue().split(";");
+        String[] value = null;
+        if (null == entity.getContentType()){
+            value = new String[]{"application/x-www-form-urlencoded"};
+        }else {
+            value = entity.getContentType().getValue().split(";");
+        }
 
         if (ContentType.APPLICATION_OCTET_STREAM.getMimeType().equals(value[0])){
 
@@ -160,7 +164,6 @@ public class ClientHttpRequest<T> extends HttpEntityEnclosingRequestBase impleme
             charset = value[1].substring(value[1].indexOf("=") + 1);
         }
         String result = EntityUtils.toString(entity, charset);
-
         if (responseType.isAssignableFrom(String.class)){
             return (T)result;
         }
diff --git a/pay-java-common/src/main/java/com/egzosn/pay/common/util/XML.java b/pay-java-common/src/main/java/com/egzosn/pay/common/util/XML.java
index 214610b..c3a565a 100644
--- a/pay-java-common/src/main/java/com/egzosn/pay/common/util/XML.java
+++ b/pay-java-common/src/main/java/com/egzosn/pay/common/util/XML.java
@@ -85,12 +85,12 @@ public class XML {
             while (it.hasNext()) {
                 Element e = (Element) it.next();
                 String k = e.getName();
-                String v = "";
+                Object v = "";
                 List children = e.getChildren();
                 if (children.isEmpty()) {
                     v = e.getTextNormalize();
                 } else {
-                    v = getChildrenText(children);
+                    v = getChildren(children);
                 }
                 m.put(k, v);
             }
@@ -129,6 +129,32 @@ public class XML {
         return sb.toString();
     }
 
+    /**
+     * 获取子结点的xml
+     *
+     * @param children 集合
+     * @return String 子结点的xml
+     */
+    public static Object getChildren(List children) {
+        JSONObject json = new JSONObject();
+        if (!children.isEmpty()) {
+            Iterator it = children.iterator();
+            while (it.hasNext()) {
+                Element e = (Element) it.next();
+                String name = e.getName();
+                String value = e.getTextNormalize();
+                List list = e.getChildren();
+                if (!list.isEmpty()) {
+                    json.put(name, getChildren(list));
+                }else {
+                    json.put(name, value);
+                }
+            }
+        }
+
+        return json;
+    }
+
     /**
      * 将请求参数转换为xml格式的string
      * @param parameters 请求参数