diff --git a/src/views/demo/workflow/task/process/audit.vue b/src/views/demo/workflow/task/process/audit.vue
index f091fd13..acaa264e 100644
--- a/src/views/demo/workflow/task/process/audit.vue
+++ b/src/views/demo/workflow/task/process/audit.vue
@@ -512,7 +512,7 @@
         .then(async (res) => {
           res[designerData.formCurrentNode.formRelationId] = instanceInfo.pkeyValue;
           for (var item in res) {
-            if (!res[item]) {
+            if (res[item] == undefined) {
               res[item] = '';
               if (item.search('_input_guid') != -1) {
                 res[item] = buildGUID();