diff --git a/web/app/components/workflow/panel/chat-variable-panel/components/array-bool-list.tsx b/web/app/components/workflow/panel/chat-variable-panel/components/array-bool-list.tsx
index 334b47c261..460b86d51c 100644
--- a/web/app/components/workflow/panel/chat-variable-panel/components/array-bool-list.tsx
+++ b/web/app/components/workflow/panel/chat-variable-panel/components/array-bool-list.tsx
@@ -39,7 +39,7 @@ const ArrayValueList: FC<Props> = ({
 
   const handleItemAdd = useCallback(() => {
     const newList = produce(list, (draft: any[]) => {
-      draft.push(undefined)
+      draft.push(true)
     })
     onChange(newList)
   }, [list, onChange])
diff --git a/web/app/components/workflow/panel/chat-variable-panel/components/variable-modal.tsx b/web/app/components/workflow/panel/chat-variable-panel/components/variable-modal.tsx
index cbbebd7b75..40c295630b 100644
--- a/web/app/components/workflow/panel/chat-variable-panel/components/variable-modal.tsx
+++ b/web/app/components/workflow/panel/chat-variable-panel/components/variable-modal.tsx
@@ -134,12 +134,16 @@ const ChatVariableModal = ({
         return value || ''
       case ChatVarType.Number:
         return value || 0
+      case ChatVarType.Boolean:
+        return value === undefined ? true : value
       case ChatVarType.Object:
         return editInJSON ? value : formatValueFromObject(objectValue)
       case ChatVarType.ArrayString:
       case ChatVarType.ArrayNumber:
       case ChatVarType.ArrayObject:
         return value?.filter(Boolean) || []
+      case ChatVarType.ArrayBoolean:
+        return value || []
     }
   }
 
@@ -218,6 +222,11 @@ const ChatVariableModal = ({
         setValue(value?.length ? value : [undefined])
       }
     }
+
+    if(type === ChatVarType.ArrayBoolean) {
+      if(editInJSON)
+        setEditorContent(JSON.stringify(value.map((item: boolean) => item ? 'True' : 'False')))
+    }
     setEditInJSON(editInJSON)
   }
 
@@ -229,7 +238,16 @@ const ChatVariableModal = ({
     else {
       setEditorContent(content)
       try {
-        const newValue = JSON.parse(content)
+        let newValue = JSON.parse(content)
+        if(type === ChatVarType.ArrayBoolean) {
+          newValue = newValue.map((item: string) => {
+            if (item === 'True' || item === 'true')
+              return true
+            if (item === 'False' || item === 'false')
+              return false
+            return undefined
+          }).filter((item?: boolean) => item !== undefined)
+        }
         setValue(newValue)
       }
       catch {
@@ -387,9 +405,9 @@ const ChatVariableModal = ({
                 onChange={setValue}
               />
             )}
-            {type === ChatVarType.ArrayNumber && !editInJSON && (
+            {type === ChatVarType.ArrayBoolean && !editInJSON && (
               <ArrayBoolList
-                list={value}
+                list={value || [true]}
                 onChange={setValue}
               />
             )}