修改http监测，自定义域为空的bug

src/main/java/com/nis/web/service/configuration/WebsiteCfgService.java

@@ -473,7 +473,9 @@ public class WebsiteCfgService extends CrudService<WebsiteCfgDao,CfgIndexInfo> {
 						}
 					}
 				}
-				maatCfg.setUserRegion(userRegion);
+				if(!StringUtil.isEmpty(userRegion)){
+					maatCfg.setUserRegion(userRegion);
+				}
 			}
 			configCompileList.add(maatCfg);
 			maatBean.setConfigCompileList(configCompileList);