Merge branch 'master' of https://github.com/xuxueli/xxl-job

xxl-job-core/src/main/java/com/xxl/job/core/util/XxlJobRemotingUtil.java

             String requestBody = BasicJson.toJson(requestObj);
 
             DataOutputStream dataOutputStream = new DataOutputStream(connection.getOutputStream());
-            dataOutputStream.writeBytes(requestBody);
+            dataOutputStream.write(requestBody.getBytes("UTF-8"));
             dataOutputStream.flush();
             dataOutputStream.close();