weapp版本升级到1.11.7

"version": "1.11.7"

node_modules/@vant/weapp/lib/collapse-item/index.js

@@ -26,6 +26,7 @@ var animate_1 = require("./animate");
     },
     data: {
         expanded: false,
+        parentBorder: true,
     },
     mounted: function () {
         this.updateExpanded();
@@ -36,7 +37,7 @@ var animate_1 = require("./animate");
             if (!this.parent) {
                 return;
             }
-            var _a = this.parent.data, value = _a.value, accordion = _a.accordion;
+            var _a = this.parent.data, value = _a.value, accordion = _a.accordion, border = _a.border;
             var _b = this.parent.children, children = _b === void 0 ? [] : _b;
             var name = this.data.name;
             var index = children.indexOf(this);
@@ -47,7 +48,7 @@ var animate_1 = require("./animate");
             if (expanded !== this.data.expanded) {
                 (0, animate_1.setContentAnimate)(this, expanded, this.mounted);
             }
-            this.setData({ index: index, expanded: expanded });
+            this.setData({ index: index, expanded: expanded, parentBorder: border });
         },
         onClick: function () {
             if (this.data.disabled) {

node_modules/@vant/weapp/lib/collapse-item/index.wxml

@@ -1,6 +1,6 @@
 <wxs src="../wxs/utils.wxs" module="utils" />
 
-<view class="van-collapse-item custom-class {{ index !== 0 ? 'van-hairline--top' : '' }}">
+<view class="van-collapse-item custom-class {{ index !== 0 && parentBorder ? 'van-hairline--top' : '' }}">
   <van-cell
     size="{{ size }}"
     title="{{ title }}"