修改文案。

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

@@ -257,7 +257,7 @@ public class CommCheckService {
                 default -> throw new IllegalStateException("Unexpected value: " + targetSimType);
             }
         }
-        return AjaxResult.error("失败,检查一个模拟器[" + sim.getSimNum() + "]型号或序列号执行错误！");
+        return AjaxResult.error("失败,检查一个模拟器[" + sim.getSimNum() + "]型号或序列号执行错误！<br/>请检查模拟器线缆连接情况和连接模拟器型号！");
     }
 
     /**