fix: 修改续航里程和最高时速输入框的默认提示文本

 <!--
  * @Date: 2022-09-19 14:11:06
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-07-10 22:59:16
+ * @LastEditTime: 2025-07-16 09:59:15
  * @FilePath: /jgdl/src/pages/setAuthCar/index.vue
  * @Description: 申请认证
 -->
@@ -100,7 +100,7 @@
 
                     <!-- 续航里程 -->
                     <nut-form-item label="续航里程" prop="range_km">
-                        <nut-input v-model="formData.range_km" placeholder="60" type="number" input-align="right">
+                        <nut-input v-model="formData.range_km" placeholder="请输入" type="number" input-align="right">
                             <template #right>
                                 <text class="unit">公里</text>
                             </template>
@@ -109,7 +109,7 @@
 
                     <!-- 最高时速 -->
                     <nut-form-item label="最高时速" prop="max_speed_kmh">
-                        <nut-input v-model="formData.max_speed_kmh" placeholder="25" type="number" input-align="right">
+                        <nut-input v-model="formData.max_speed_kmh" placeholder="请输入" type="number" input-align="right">
                             <template #right>
                                 <text class="unit">km/h</text>
                             </template>