diff --git a/jero-web/src/views/projectManagement/components/ParameterItemCollectionList.vue b/jero-web/src/views/projectManagement/components/ParameterItemCollectionList.vue
index ac121a266..ff688d678 100644
--- a/jero-web/src/views/projectManagement/components/ParameterItemCollectionList.vue
+++ b/jero-web/src/views/projectManagement/components/ParameterItemCollectionList.vue
@@ -952,7 +952,7 @@ export default {
                 if(item.type == 'pull_more'){
                   item.dataValue = item.dataValue.join(',')
                 }
-                if(item.type == 'text'){
+                if(item.type == 'text' && item.dataValue !== null){
                   item.dataValue = item.dataValue.toString()
                 }
               })