diff --git a/devui/checkbox/src/use-checkbox.ts b/devui/checkbox/src/use-checkbox.ts
index a3d3f0b39b77223654282fa44e66dfcad827ae36..bef45c5a02722cd6b4dbf76774482d6728fd45b0 100644
--- a/devui/checkbox/src/use-checkbox.ts
+++ b/devui/checkbox/src/use-checkbox.ts
@@ -59,7 +59,7 @@ export const checkboxProps = {
     default: undefined
   },
   modelValue: {
-    type: String,
+    type: Boolean,
   },
   'onUpdate:modelValue': {
     type: Function as PropType<(v: boolean) => void>