diff --git a/src/org/ntlab/radishforandroidstudio/framework/network/HttpAsyncConnection.java b/src/org/ntlab/radishforandroidstudio/framework/network/HttpAsyncConnection.java
index ce58f6e..2faeae2 100644
--- a/src/org/ntlab/radishforandroidstudio/framework/network/HttpAsyncConnection.java
+++ b/src/org/ntlab/radishforandroidstudio/framework/network/HttpAsyncConnection.java
@@ -6,6 +6,7 @@
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
+import java.io.OutputStreamWriter;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.util.ArrayList;
@@ -17,7 +18,10 @@
 	private String queryParams = "";
 	private String pathParams = "";
 	private String formParams = "";
+	private String Json = "";
 	private int responseCode;
+	private ArrayList<String> keys = new ArrayList<>();
+	private ArrayList<String> values = new ArrayList<>();
 
 	private String method;
 	private static String clientSessionID = null;
@@ -50,6 +54,11 @@
 		this.method = method;
 	}
 
+	public void setRequestPropertie(String key, String value) {
+		keys.add(key);
+		values.add(value);
+	}
+
 	// request
 	public void doAnything() {
 		try {
@@ -62,10 +71,20 @@
 			}
 			conn.setReadTimeout(10000 /* milliseconds */);
 			conn.setConnectTimeout(15000 /* milliseconds */);
-			conn.addRequestProperty("Content-type", "application/json");
+			addRequestProperties(keys, values);
 			// POST or GET or PUT or DELETE
 			conn.setRequestMethod(method);
-
+			if (Json.length() > 0) {
+				conn.setDoOutput(true);
+				if (clientSessionID != null) {
+					conn.setRequestProperty("Cookie", clientSessionID);
+				}
+				OutputStreamWriter out = new OutputStreamWriter(conn.getOutputStream());
+				out.write(Json);
+				out.flush();
+				out.close();
+				Json = "";
+			}
 			if (formParams.length() > 0) {
 				conn.setDoOutput(true);
 				if (clientSessionID != null) {
@@ -171,9 +190,12 @@
 		pathParams += "/" + param;
 	}
 
-	private void addRequestProperties(ArrayList<String> key, ArrayList<String> value) {
-		for (int i = 0; i < key.size(); i++) {
-			conn.addRequestProperty(key.get(i), value.get(i));
+	private void addRequestProperties(ArrayList<String> keys, ArrayList<String> values) {
+		if (keys.size() == 0) {
+			conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
+		}
+		for (int i = 0; i < keys.size(); i++) {
+			conn.addRequestProperty(keys.get(i), values.get(i));
 		}
 	}
 }