diff --git a/src/views/wms/countManage/count/countConfig/index.vue b/src/views/wms/countManage/count/countConfig/index.vue
index ae2f5480d..e786ca77f 100644
--- a/src/views/wms/countManage/count/countConfig/index.vue
+++ b/src/views/wms/countManage/count/countConfig/index.vue
@@ -101,7 +101,11 @@ const searchTableSuccess = (formField, searchField, val, formRef, type, row) =>
       setV['uom'] = val[0].uom
       setV['packUnit'] = val[0].defaultPackUnit
       setV['packQty'] = val[0].defaultPackQty
-      setV['conversionRate'] = val[0].convertRate
+      if (val[0].convertRate == null) {
+        setV['conversionRate'] = 1.0
+      } else {
+        setV['conversionRate'] = val[0].convertRate
+      }
     }
     formRef.setValues(setV)
   })