修复点餐区只有一行数据时显示异常的问题

src/main/resources/templates/order.html

@@ -38,14 +38,13 @@
                     zuofa.value = detailList[index].sum
                     changePinmu(fenlei, pinmu, cailiao, detailList[index])
                     jine.value = [[${query.jine}]]
-                }
-                if(detailList.length===1){
-                    list.innerHTML+=`<div class="input-group mt-3 order-frame fff">
-                    <div class="col-3 text-right mt-auto mb-auto">
-                        <img src="/icon/plus.svg" class="icon action" onclick="plus()"/>
-                        <img src="/icon/minus.svg" class="icon action" onclick="minus(this)"/>
-                    </div>
-                    </div>`
+                    if(detailList.length===1) {
+                        list.innerHTML += `<div class="input-group mt-3 order-frame" id="add">
+                                                <div class="col-3 text-right mt-auto mb-auto">
+                                                    <img src="/icon/plus.svg" class="icon action" onclick="plus()"/>
+                                                </div>
+                                            </div>`
+                    }
                 }
             }else {
                 let item = document.getElementsByClassName('fff')
@@ -247,7 +246,7 @@
             </div>
 
             <div id="list">
-                <div class="input-group mt-3 order-frame d-none" id="add">
+                <div th:if="${querydetail} eq null" class="input-group mt-3 order-frame d-none" id="add">
                     <div class="col-3 text-right mt-auto mb-auto">
                         <img src="/icon/plus.svg" class="icon action" onclick="plus()"/>
                     </div>