diff --git a/package.json b/package.json
index e89065d..56118cd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "astro-uploader",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "A uploader for uploading the Astro generated files through the S3 API.",
   "keywords": ["Astro", "S3", "withastro", "opendal"],
   "bugs": {
diff --git a/src/index.ts b/src/index.ts
index dfdb4c1..81f32b0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -57,14 +57,14 @@ const S3Options = z
             path: z.string(),
             keep: z.boolean().optional(),
             recursive: z.boolean().optional(),
-            override: z.boolean(),
+            override: z.boolean().optional(),
           }),
         ]),
       )
       .min(1),
-    keep: z.boolean().default(false),
-    recursive: z.boolean().default(true),
-    override: z.boolean().default(false),
+    keep: z.boolean().optional().default(false),
+    recursive: z.boolean().optional().default(true),
+    override: z.boolean().optional().default(false),
     region: z.string().min(1).default('auto'),
     endpoint: z.string().url().optional(),
     bucket: z.string().min(1),