diff --git a/src/components/GuipRadio.vue b/src/components/GuipRadio.vue
index 5249497..e937587 100644
--- a/src/components/GuipRadio.vue
+++ b/src/components/GuipRadio.vue
@@ -149,7 +149,11 @@ export default {
         return option.key;
       }
 
-      return option[this.valueKey] || option;
+      // 明确检查 valueKey 是否存在
+      if (typeof option === 'object' && this.valueKey in option) {
+        return option[this.valueKey];
+      }
+      return option;
     },
     // 判断选项是否禁用
     isDisabled(key) {