diff --git a/package.json b/package.json
index 5a3734c..e1f3183 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@wxhccc/es-util",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "description": "A library that contains some useful methods",
   "main": "dist/index.js",
   "module": "dist/index.esm.js",
diff --git a/src/optional.ts b/src/optional.ts
index e2c99f6..e02d9bf 100644
--- a/src/optional.ts
+++ b/src/optional.ts
@@ -77,8 +77,8 @@ export const formParamsSwitch = <T extends AnyObject, R extends AnyObject = AnyO
   formData: T,
   maps: ParamsSwitchMaps,
   options?: {
-    filterNullable: boolean
-    dateFormat: (date: unknown, format?: string) => string
+    filterNullable?: boolean
+    dateFormat?: (date: any, format?: string) => string
   }
 ) => {
   const dateKeys = Object.keys(maps)