添加模拟器序列号检查。

ruoyi-sim/src/main/java/com/ruoyi/sim/service/impl/CommSendService.java

@@ -291,7 +291,6 @@ public class CommSendService {
         if (StringUtils.isBlank(s.getSimType()) || StringUtils.isBlank(s.getSimNum())) {
             l.warn("sim error data {}", s);
             return AjaxResult.error("模拟器数据错误。");
-            ;
         }
         //
         SimMsg smS = commBuildService.buildSendMsgReadSimType(s.getSimNum());