diff --git a/app/src/main/java/net/xuyezo/main/ServHandler.java b/app/src/main/java/net/xuyezo/main/ServHandler.java
index 5798fef..81e1c51 100644
--- a/app/src/main/java/net/xuyezo/main/ServHandler.java
+++ b/app/src/main/java/net/xuyezo/main/ServHandler.java
@@ -42,9 +42,10 @@ public class ServHandler implements HttpHandler {
     	
         // handle the request
         String response = outObject.toString();
-        exchange.sendResponseHeaders(200, response.length());
+        byte[] bytes =  response.getBytes();
+        exchange.sendResponseHeaders(200, bytes.length);
         OutputStream os = exchange.getResponseBody();
-        os.write(response.getBytes());
+        os.write(bytes);
         os.close();
     }
 }
\ No newline at end of file