diff --git a/frontend/src/views/home/components/preTest.vue b/frontend/src/views/home/components/preTest.vue
index 34df0b9..b7a0ae6 100644
--- a/frontend/src/views/home/components/preTest.vue
+++ b/frontend/src/views/home/components/preTest.vue
@@ -4,7 +4,7 @@
       <el-tab-pane label="预检测项目">
         <div class="form-grid">
           <el-checkbox v-for="(item, index) in detectionOptions" v-model="item.selected" :key="index"
-            :label="item.name"></el-checkbox>
+                       :label="item.name"></el-checkbox>
           <!-- disabled="true" -->
         </div>
       </el-tab-pane>
@@ -14,11 +14,11 @@
       <div class="dialog-left">
         <el-steps direction="vertical" :active="activeIndex" :process-status="currentStepStatus"
                   finish-status="success">
-          <el-step :status="step1" title="源通讯校验" />
-          <el-step :status="step2" title="设备通讯校验" />
-          <el-step :status="step3" title="协议校验" />
-          <el-step :status="step4" title="相序校验" />
-          <el-step :status="step5" title="检测完成" />
+          <el-step :status="step1" title="源通讯校验"/>
+          <el-step :status="step2" title="设备通讯校验"/>
+          <el-step :status="step3" title="协议校验"/>
+          <el-step :status="step4" title="相序校验"/>
+          <el-step :status="step5" title="检测完成"/>
         </el-steps>
       </div>
       <div class="dialog-right">
@@ -26,32 +26,32 @@
           <el-collapse-item title="源通讯校验" name="1">
             <div class="div-log">
               <p v-for="(item, index) in step1InitLog" :key="index"
-                :style="{ color: item.type === 'error' ? '#F56C6C' : 'var(--el-text-color-regular)' }">
-                {{ item.log }} <br />
+                 :style="{ color: item.type === 'error' ? '#F56C6C' : 'var(--el-text-color-regular)' }">
+                {{ item.log }} <br/>
               </p>
             </div>
           </el-collapse-item>
           <el-collapse-item title="设备通讯校验" name="2">
             <div class="div-log">
               <p v-for="(item, index) in step2InitLog" :key="index"
-                :style="{ color: item.type === 'error' ? '#F56C6C' : 'var(--el-text-color-regular)' }">
-                {{ item.log }} <br />
+                 :style="{ color: item.type === 'error' ? '#F56C6C' : 'var(--el-text-color-regular)' }">
+                {{ item.log }} <br/>
               </p>
             </div>
           </el-collapse-item>
           <el-collapse-item title="协议校验" name="3">
             <div class="div-log">
               <p v-for="(item, index) in step3InitLog" :key="index"
-                :style="{ color: item.type === 'error' ? '#F56C6C' : 'var(--el-text-color-regular)' }">
-                {{ item.log }} <br />
+                 :style="{ color: item.type === 'error' ? '#F56C6C' : 'var(--el-text-color-regular)' }">
+                {{ item.log }} <br/>
               </p>
             </div>
           </el-collapse-item>
           <el-collapse-item title="相序校验" name="4">
             <div class="div-log">
               <p v-for="(item, index) in step4InitLog" :key="index"
-                :style="{ color: item.type === 'error' ? '#F56C6C' : 'var(--el-text-color-regular)' }">
-                {{ item.log }} <br />
+                 :style="{ color: item.type === 'error' ? '#F56C6C' : 'var(--el-text-color-regular)' }">
+                {{ item.log }} <br/>
               </p>
             </div>
           </el-collapse-item>
@@ -62,8 +62,9 @@
 
 </template>
 <script lang="tsx" setup name="preTest">
-import {ElMessage} from "element-plus";
-import { defineExpose } from 'vue';
+import {ElMessage, ElMessageBox} from "element-plus";
+import {defineExpose} from 'vue';
+
 const step1InitLog = ref([
   {
     type: 'info',
@@ -222,21 +223,18 @@ const props = defineProps({
 })
 
 
-
-
-
 const testStatus = toRef(props, 'testStatus');
 const webMsgSend = toRef(props, 'webMsgSend');
 const ts = ref('');
 
-watch(webMsgSend,function (newValue,oldValue){
- // console.log(newValue)
+watch(webMsgSend, function (newValue, oldValue) {
+  // console.log(newValue)
 
-  switch (newValue.requestId){
+  switch (newValue.requestId) {
     case 'yjc_ytxjy':
-      switch (newValue.operateCode){
+      switch (newValue.operateCode) {
         case 'INIT_GATHER':
-          if(newValue.code == 10200) {
+          if (newValue.code == 10200) {
             step1InitLog.value.push({
               type: 'info',
               log: '源初始化成功!',
@@ -244,17 +242,17 @@ watch(webMsgSend,function (newValue,oldValue){
             activeIndex.value = 1
             step1.value = 'success'
             step2.value = 'process'
-          }else if(newValue.code == 10201){
+          } else if (newValue.code == 10201) {
             step1.value = 'process'
             step1InitLog.value = [{
               type: 'wait',
               log: '正在进行源初始化!',
             }];
-          }else if(newValue.code == 10552){
+          } else if (newValue.code == 10552) {
             ElMessage.error(newValue.code)
             step1.value = 'error'
             ts.value = 'error'
-          }else if(newValue.code == 10523){
+          } else if (newValue.code == 10523) {
             step1.value = 'error'
             ts.value = 'error'
             step1InitLog.value = [{
@@ -265,8 +263,6 @@ watch(webMsgSend,function (newValue,oldValue){
           break;
 
 
-
-
       }
       break;
     case 'yjc_sbtxjy':
@@ -276,7 +272,7 @@ watch(webMsgSend,function (newValue,oldValue){
           if (newValue.code == 10200) {
             step2InitLog.value.push({
               type: 'info',
-              log: newValue.data+'设备通讯校验成功!',
+              log: newValue.data + '设备通讯校验成功!',
             })
 
           } else if (newValue.code == 10201) {
@@ -288,14 +284,14 @@ watch(webMsgSend,function (newValue,oldValue){
           } else if (newValue.code == 10550) {
             step2InitLog.value.push({
               type: 'error',
-              log: newValue.data+'设备连接异常!',
+              log: newValue.data + '设备连接异常!',
             })
             step2.value = 'error'
             ts.value = 'error'
-          }else if (newValue.code == 10551) {
+          } else if (newValue.code == 10551) {
             step2InitLog.value.push({
               type: 'error',
-              log: newValue.data+'设备触发报告异常!',
+              log: newValue.data + '设备触发报告异常!',
             })
             step2.value = 'error'
             ts.value = 'error'
@@ -322,7 +318,7 @@ watch(webMsgSend,function (newValue,oldValue){
           if (newValue.code == 10200) {
             step3InitLog.value.push({
               type: 'info',
-              log: '统计数据协议校验:'+newValue.data+'通讯协议校验成功!',
+              log: '统计数据协议校验:' + newValue.data + '通讯协议校验成功!',
             })
 
           } else if (newValue.code == 10201) {
@@ -334,18 +330,18 @@ watch(webMsgSend,function (newValue,oldValue){
           } else if (newValue.code == 10550) {
             step3InitLog.value.push({
               type: 'error',
-              log: newValue.data+'设备连接异常!',
+              log: newValue.data + '设备连接异常!',
             })
             step3.value = 'error'
             ts.value = 'error'
-          }else if (newValue.code == 10551) {
+          } else if (newValue.code == 10551) {
             step3InitLog.value.push({
               type: 'error',
-              log: newValue.data+'设备触发报告异常!',
+              log: newValue.data + '设备触发报告异常!',
             })
             step3.value = 'error'
             ts.value = 'error'
-          }else if (newValue.code == 10552) {
+          } else if (newValue.code == 10552) {
             step3.value = 'error'
             //ElMessage.error("存在已经初始化步骤,已经自动关闭,请重新发起检测！")
             step3InitLog.value = [{
@@ -359,7 +355,7 @@ watch(webMsgSend,function (newValue,oldValue){
           if (newValue.code == 10200) {
             step3InitLog.value.push({
               type: 'info',
-              log: '实时数据协议校验:'+newValue.data+'通讯协议校验成功!',
+              log: '实时数据协议校验:' + newValue.data + '通讯协议校验成功!',
             })
 
           } else if (newValue.code == 10201) {
@@ -368,17 +364,17 @@ watch(webMsgSend,function (newValue,oldValue){
               type: 'wait',
               log: '正在进行通讯协议校验.....',
             }];
-          }else if (newValue.code == 10550) {
+          } else if (newValue.code == 10550) {
             step3InitLog.value.push({
               type: 'error',
-              log: newValue.data+'设备连接异常!',
+              log: newValue.data + '设备连接异常!',
             })
             step3.value = 'error'
             ts.value = 'error'
-          }else if (newValue.code == 10551) {
+          } else if (newValue.code == 10551) {
             step3InitLog.value.push({
               type: 'error',
-              log: newValue.data+'设备触发报告异常!',
+              log: newValue.data + '设备触发报告异常!',
             })
             step3.value = 'error'
             ts.value = 'error'
@@ -396,22 +392,22 @@ watch(webMsgSend,function (newValue,oldValue){
           if (newValue.code == 10200) {
             step3InitLog.value.push({
               type: 'info',
-              log: '暂态数据协议校验:'+newValue.data+'通讯协议校验成功!',
+              log: '暂态数据协议校验:' + newValue.data + '通讯协议校验成功!',
             })
 
           } else if (newValue.code == 10201) {
             step3.value = 'process'
-          }else if (newValue.code == 10550) {
+          } else if (newValue.code == 10550) {
             step3InitLog.value.push({
               type: 'error',
-              log: newValue.data+'设备连接异常!',
+              log: newValue.data + '设备连接异常!',
             })
             step3.value = 'error'
             ts.value = 'error'
-          }else if (newValue.code == 10551) {
+          } else if (newValue.code == 10551) {
             step3InitLog.value.push({
               type: 'error',
-              log: newValue.data+'设备触发报告异常!',
+              log: newValue.data + '设备触发报告异常!',
             })
             step3.value = 'error'
             ts.value = 'error'
@@ -464,12 +460,12 @@ watch(webMsgSend,function (newValue,oldValue){
         case 'DATA_REQUEST$02':
           if (newValue.code == 10200) {
             let type = 'info'
-            if(newValue.data.includes('不合格')){
+            if (newValue.data.includes('不合格')) {
               type = 'error'
             }
             step4InitLog.value.push({
               type: type,
-              log: '相序校验:'+newValue.data,
+              log: '相序校验:' + newValue.data,
             })
 
           } else if (newValue.code == 10201) {
@@ -478,8 +474,7 @@ watch(webMsgSend,function (newValue,oldValue){
               type: 'wait',
               log: '获取数据相序校验数据!',
             }];
-          }
-          else if (newValue.code == 25001) {
+          } else if (newValue.code == 25001) {
             step4.value = 'success'
             step5.value = 'success'
             step4InitLog.value.push({
@@ -496,7 +491,7 @@ watch(webMsgSend,function (newValue,oldValue){
     case 'quit':
       break;
     case 'connect':
-      switch (newValue.operateCode){
+      switch (newValue.operateCode) {
         case "Source":
           step1.value = 'error'
           step1InitLog.value = [{
@@ -517,15 +512,22 @@ watch(webMsgSend,function (newValue,oldValue){
       break;
     case 'unknown_operate':
 
+      break;
+    case 'error_flow_end':
+      ElMessageBox.alert(`设备连接异常，请检查设备连接情况！`, '检测失败', {
+        confirmButtonText: '确定',
+        type: 'error',
+      })
+      ts.value = 'error'
       break;
   }
 
 })
 
 watch(activeIndex, function (newValue, oldValue) {
-  if (newValue <= activeTotalNum.value - 2){
-    collapseActiveName.value = (newValue+1).toString()
-  } else{
+  if (newValue <= activeTotalNum.value - 2) {
+    collapseActiveName.value = (newValue + 1).toString()
+  } else {
     collapseActiveName.value = (newValue - 1).toString()
   }
 })
@@ -536,7 +538,7 @@ watch(testStatus, function (newValue, oldValue) {
   ts.value = props.testStatus;
   if (ts.value === 'start') {
     ts.value = 'process'
-  }else if(ts.value === 'waiting'){
+  } else if (ts.value === 'waiting') {
     activeIndex.value = 0
     step1InitLog.value = [
       {
@@ -560,8 +562,6 @@ watch(ts, function (newValue, oldValue) {
 })
 
 
-
-
 // 定义一个初始化参数的方法
 function initializeParameters() {
   activeIndex.value = 0
@@ -599,9 +599,6 @@ function initializeParameters() {
 }
 
 
-
-
-
 defineExpose({
   initializeParameters,
 });
diff --git a/frontend/src/views/home/components/test.vue b/frontend/src/views/home/components/test.vue
index f6d9a8f..120f1c5 100644
--- a/frontend/src/views/home/components/test.vue
+++ b/frontend/src/views/home/components/test.vue
@@ -33,7 +33,7 @@
       <el-button
           type="primary"
           :icon="RefreshLeft"
-          v-if="testStatus === 'error'"
+          v-if="testStatus === 'test_recheck'"
           @click="emit('sendReCheck')">重新检测
       </el-button>
 
diff --git a/frontend/src/views/home/components/testPopup.vue b/frontend/src/views/home/components/testPopup.vue
index 833e150..9bfc4ea 100644
--- a/frontend/src/views/home/components/testPopup.vue
+++ b/frontend/src/views/home/components/testPopup.vue
@@ -35,7 +35,7 @@
           检测中
         </el-button>
         <el-button type="warning" :icon="VideoPlay" v-if="ActiveStatue === 'paused'" @click="handleSubmit">继续检测</el-button>
-        <el-button type="primary" :icon="RefreshLeft" v-if="ActiveStatue === 'error'" @click="handleSubmit">重新检测</el-button>
+        <el-button type="primary" :icon="RefreshLeft" v-if="ActiveStatue === 'test_recheck'" @click="handleSubmit">重新检测</el-button>
         <el-button type="primary" v-if="ActiveStatue === 'test_init'" disabled>
           <el-icon class="loading-box" style="color: #fff;margin-right: 8px;">
             <component :is="Refresh"/>
@@ -43,7 +43,8 @@
           初始化中
         </el-button>
         <el-button :type="ActiveStatue==='success'?'primary':'danger'" :icon="Right"
-                   v-if="ActiveStatue === 'success'||ActiveStatue==='test_init_fail'||ActiveStatue==='connect_timeout'" @click="nextStep">
+                   v-if="ActiveStatue === 'success'||ActiveStatue==='error'||ActiveStatue==='test_init_fail'||ActiveStatue==='connect_timeout'"
+                   @click="nextStep">
           {{ nextStepText }}
         </el-button>
       </div>
@@ -312,7 +313,7 @@ const handleSubmit = () => {
         //   }
         // })
 
-      } else if (TestStatus.value == 'error') {
+      } else if (TestStatus.value == 'test_recheck') {
         // 发送重新检测指令
         sendReCheck()
 
@@ -359,6 +360,11 @@ watch(ActiveStatue, function (newValue, oldValue) {
     stepsActiveIndex.value++;
     nextStepText.value = '检测完成'
   }
+  if (newValue === 'error' && stepsActiveIndex.value === stepsTotalNum.value - 3) {
+    stepsActiveIndex.value++;
+    stepsActiveIndex.value++;
+    nextStepText.value = '检测失败'
+  }
   if (newValue === 'test_init_fail' && stepsActiveIndex.value === stepsTotalNum.value - 2) {
     stepsActiveIndex.value++;
     stepsActiveIndex.value++;
@@ -426,14 +432,14 @@ const getIcon = (index: number) => {
 };
 
 const nextStep = () => {
-  if (stepsActiveIndex.value < stepsTotalNum.value) {
+  if (stepsActiveIndex.value < stepsTotalNum.value && ActiveStatue.value != 'error') {
     stepsActiveIndex.value++
     if (!isTimeCheck.value) {//不具备守时检测，预检测后直接跳正式检测
       stepsActiveIndex.value++
     }
 
     ActiveStatue.value = 'waiting'
-  } else if (stepsActiveIndex.value === stepsTotalNum.value) {
+  } else if (stepsActiveIndex.value === stepsTotalNum.value || ActiveStatue.value === 'error') {
     //emit('update:visible', false); // 关闭对话框
     clearData()
     dialogVisible.value = false;