diff --git a/frontend/package.json b/frontend/package.json
index cc05306..5016fbf 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -2,7 +2,7 @@
   "name": "kintone-automate",
   "version": "0.2.0",
   "description": "Kintoneアプリの自動生成とデプロイを支援ツールです",
-  "productName": "Kintone Automate",
+  "productName": "kintone Automate",
   "author": "maxiaozhe@alicorns.co.jp <maxiaozhe@alicorns.co.jp>",
   "private": true,
   "scripts": {
diff --git a/frontend/src/components/right/InputText.vue b/frontend/src/components/right/InputText.vue
index be8c5c6..5c5b312 100644
--- a/frontend/src/components/right/InputText.vue
+++ b/frontend/src/components/right/InputText.vue
@@ -1,5 +1,11 @@
 <template>
-  <q-input :label="displayName" v-model="inputValue" label-color="primary" :placeholder="placeholder" stack-label/>
+  <q-input :label="displayName" v-model="inputValue" label-color="primary" :placeholder="placeholder" stack-label>
+  <template v-slot:append v-if="hint!==''">
+    <q-icon name="help" size="22px" color="blue-8">
+      <q-tooltip class="bg-yellow-2 text-black shadow-4" anchor="bottom right"><div class="hint-text" v-html="hint"/></q-tooltip>
+    </q-icon>
+  </template>
+  </q-input>
 </template>
 
 <script lang="ts">
@@ -39,7 +45,15 @@ export default defineComponent({
 
     return {
       inputValue,
+      showhint:ref(false)
     };
   },
 });
 </script>
+<style lang="scss">
+.hint-text{
+  white-space : always;
+  max-width: 450px;
+  font-size: 1.2em;
+}
+</style>
diff --git a/frontend/src/types/ActionTypes.ts b/frontend/src/types/ActionTypes.ts
index 8b39e05..8d71ea4 100644
--- a/frontend/src/types/ActionTypes.ts
+++ b/frontend/src/types/ActionTypes.ts
@@ -447,7 +447,7 @@ export class ActionFlow implements IActionFlow {
 
   getPrevVarNames(prevNode:IActionNode):IActionVariable[]{
     let varNames:IActionVariable[]=[];
-    if(prevNode.varName!==undefined){
+    if(prevNode.varName!==undefined && prevNode.varName.modelValue){
       varNames.unshift({
         actionName:prevNode.name,
         displayName:prevNode.varName.displayName,