fix https://gitee.com/y_project/RuoYi-Vue/issues/I4O5WD

ruoyi-ui/src/components/Crontab/hour.vue

@@ -26,7 +26,7 @@
 			<el-radio v-model='radioValue' :label="4">
 				指定
 				<el-select clearable v-model="checkboxList" placeholder="可多选" multiple style="width:100%">
-					<el-option v-for="item in 60" :key="item" :value="item-1">{{item-1}}</el-option>
+					<el-option v-for="item in 24" :key="item" :value="item-1">{{item-1}}</el-option>
 				</el-select>
 			</el-radio>
 		</el-form-item>