diff --git a/frontend/src/views/home/components/compareDataCheckSingleChannelSingleTestPopup.vue b/frontend/src/views/home/components/compareDataCheckSingleChannelSingleTestPopup.vue
index 7737ef2..7bec915 100644
--- a/frontend/src/views/home/components/compareDataCheckSingleChannelSingleTestPopup.vue
+++ b/frontend/src/views/home/components/compareDataCheckSingleChannelSingleTestPopup.vue
@@ -34,7 +34,7 @@
                         <el-input v-model="formContent.deviceName" :disabled="true" />
                     </el-form-item>
                     <el-form-item label="通道号">
-                        <el-select v-model="formContent.chnNum" @change="getResults" :disabled="sourceKey == 1">
+                        <el-select v-model="formContent.chnNum" @change="handleChnNumChange" :disabled="sourceKey == 1">
                             <el-option v-for="item in chnList" :key="item" :label="item" :value="item" />
                         </el-select>
                     </el-form-item>
@@ -305,7 +305,7 @@ const getBasicInformation = async () => {
         formContent.deviceName = res.data.deviceName
         formContent.errorSysId = res.data.errorSysId
         chnMapList.value = res.data.chnMap
-        formContent.num = res.data.checkNum
+        //formContent.num = res.data.checkNum
         
         let chnMap: string[] = []
         for (let key in res.data.chnMap) {
@@ -313,6 +313,12 @@ const getBasicInformation = async () => {
         }
         chnList.value = chnMap
         formContent.chnNum = formContent.chnNum == null ? chnList.value[0] : formContent.chnNum
+        // 新增：设置检测次数默认值为chnMap数组的最后一位
+        if (chnMapList.value[formContent.chnNum] && chnMapList.value[formContent.chnNum].length > 0) {
+            // 获取当前通道号对应的检测次数数组，并设置为最后一个值（最大值）
+            const numList = chnMapList.value[formContent.chnNum]
+            formContent.num = numList[numList.length - 1]
+        }
         waveNumCount.value = res.data.waveNumTotal
         
         // 查询表格数据
@@ -343,6 +349,24 @@ const getBasicInformation = async () => {
     })
 }
 
+
+const handleChnNumChange = (value: string) => {
+    formContent.chnNum = value
+    // 更新检测次数为当前通道的最后一条记录
+    updateCheckNumForChn(value)
+    // 获取结果数据
+    getResults('')
+}
+
+// 更新检测次数为指定通道的最后一条记录
+const updateCheckNumForChn = (chnNum: string) => {
+    if (chnMapList.value[chnNum] && chnMapList.value[chnNum].length > 0) {
+        // 获取当前通道号对应的检测次数数组，并设置为最后一个值（最大值）
+        const numList = chnMapList.value[chnNum]
+        formContent.num = numList[numList.length - 1]
+    }
+}
+
 // 左边树变化
 const handleNodeClick = (data: any) => {
     rowList.value.scriptName = data.scriptName
@@ -377,17 +401,22 @@ const handleNodeClick = (data: any) => {
 }
 // 获取结果
 const getResults = async (code: any) => {
+    console.log('getResults', code)
     checkResultData.value = []
     rawTableData.value = []
 
+
+    // 判断是否为录波数据请求
+    const isWaveDataRequest = code === 'wave_data' || isWaveData.value
+
     getContrastResult({
         planId: checkStore.plan.id,
         scriptType: rowList.value.scriptType,
         deviceId: formContent.deviceId,
         chnNum: formContent.chnNum,
         num: formContent.num == '' ? null : formContent.num,
-        waveNum:  code == 'wave_data' ?  waveNumber.value : null,
-        isWave:  code == 'wave_data' ? true :  false ,
+        waveNum:  isWaveDataRequest ?  waveNumber.value : null,
+        isWave:  isWaveDataRequest ,
         patternId: pattern.value
     }).then((res: any) => {
         let list: string[] = []