diff --git a/src/views/modules/part/partProductGroupInformation.vue b/src/views/modules/part/partProductGroupInformation.vue
index ca78668..ee1d928 100644
--- a/src/views/modules/part/partProductGroupInformation.vue
+++ b/src/views/modules/part/partProductGroupInformation.vue
@@ -2091,10 +2091,12 @@ export default {
       // 人工处理时间赋值
       row.laborCycleTime = row.machCycleTime
       // 计算机器单位产出
-      if (row.machCycleTime !== 0 && row.machCycleTime !== '0') {
-        row.machRunFactor = (1 / row.machCycleTime).toFixed(2)
-      }else {
+      if (row.machCycleTime === 0 || row.machCycleTime === '0') {
         row.machRunFactor = 0
+      } else if(row.machCycleTime === '' || row.machCycleTime === null) {
+        row.machRunFactor = ''
+      } else {
+        row.machRunFactor = (1/row.machCycleTime).toFixed(2)
       }
       // 人工单位产出赋值
       row.laborRunFactor = row.machRunFactor
@@ -2105,6 +2107,8 @@ export default {
       // 计算人工单位产出
       if (row.laborCycleTime === 0 || row.laborCycleTime === '0') {
         row.laborRunFactor = 0
+      } else if(row.laborCycleTime === '' || row.laborCycleTime === null) {
+        row.laborRunFactor = ''
       } else {
         row.laborRunFactor = (1/row.laborCycleTime).toFixed(2)
       }