diff --git a/src/views/informationmanage/sim/index.vue b/src/views/informationmanage/sim/index.vue
index 65f52c5..398f4b8 100644
--- a/src/views/informationmanage/sim/index.vue
+++ b/src/views/informationmanage/sim/index.vue
@@ -478,7 +478,7 @@ export default {
             labelWidth: 130,
             type: "number",
             formatter: (val, value, label) => {
-              if (value == "-1") {
+              if (value == "-1" || value == null) {
                 return "-";
               } else {
                 return `${value}`;