处理源未知异常、检测结果最大误差回显

frontend/src/views/home/components/preTest.vue

@@ -259,6 +259,13 @@ watch(webMsgSend, function (newValue, oldValue) {
               type: 'error',
               log: '源连接失败!',
             }];
+          } else if (newValue.code == -1) {
+            step1.value = 'error'
+            ts.value = 'error'
+            step1InitLog.value = [{
+              type: 'error',
+              log: '源未知异常!',
+            }];
           }
           break;