String url = this.filtersrvController.getFiltersrvConfig().getFilterClassRepertoryUrl();
url += "/";
url += filterClassInfo.getClassName();
url += ".java";
HttpResult result = HttpTinyClient.httpGet(url, null, null, "UTF-8", 5000);
if (200 == result.code) {
String responseStr = result.content;
byte[] filterSourceBinary = responseStr.getBytes("UTF-8");
int classCRC = UtilAll.crc32(responseStr.getBytes("UTF-8"));
if (classCRC != filterClassInfo.getClassCRC()) {