diff --git a/frontend/src/views/home/components/dataCheckSingleChannelSingleTestPopup.vue b/frontend/src/views/home/components/dataCheckSingleChannelSingleTestPopup.vue
index fee650d..9e94a65 100644
--- a/frontend/src/views/home/components/dataCheckSingleChannelSingleTestPopup.vue
+++ b/frontend/src/views/home/components/dataCheckSingleChannelSingleTestPopup.vue
@@ -428,10 +428,10 @@ const setCheckResultData = (data: CheckData.ResCheckResult) => {
 
 const setRawData = (data: CheckData.RawDataItem[]) => {
   data.forEach((item: CheckData.RawDataItem) => {
-    item.dataA = Number(item.dataA).toFixed(fixed)
-    item.dataB = Number(item.dataB).toFixed(fixed)
-    item.dataC = Number(item.dataC).toFixed(fixed)
-    item.dataT = Number(item.dataT).toFixed(fixed)
+    item.dataA = item.dataA == null || item.dataA == undefined ? '' : Number(item.dataA).toFixed(fixed)
+    item.dataB = item.dataB == null || item.dataB == undefined ? '' : Number(item.dataB).toFixed(fixed)
+    item.dataC = item.dataC == null || item.dataC == undefined ? '' : Number(item.dataC).toFixed(fixed)
+    item.dataT = item.dataT == null || item.dataT == undefined ? '' : Number(item.dataT).toFixed(fixed)
   })
   Object.assign(rawTableData, data)
 }