diff --git a/src/components/common/VnInput.vue b/src/components/common/VnInput.vue
index 0d7d6edca..3f7e46367 100644
--- a/src/components/common/VnInput.vue
+++ b/src/components/common/VnInput.vue
@@ -55,8 +55,7 @@ defineExpose({
 
 const inputRules = (val) => {
     const { min } = vnInputRef.value.$attrs;
-    if (min >= 0)
-        if (val.toString().indexOf('.') < min) return t('inputMin', { value: min });
+    if (min >= 0) if (Math.floor(val) < min) return t('inputMin', { value: min });
 };
 </script>