diff --git a/packages/vantui/src/collapse-item/index.less b/packages/vantui/src/collapse-item/index.less
index 2f0578437..739a02819 100644
--- a/packages/vantui/src/collapse-item/index.less
+++ b/packages/vantui/src/collapse-item/index.less
@@ -39,7 +39,7 @@
     .theme(line-height, '@collapse-item-content-line-height');
     .theme(background-color, '@collapse-item-content-background-color');
 
-    transition: all '@collapse-item-transition-duration' ease-in-out;
+    transition: all @collapse-item-transition-duration ease-in-out;
     overflow: hidden;
 
     &_wrapper {
diff --git a/packages/vantui/src/collapse-item/index.tsx b/packages/vantui/src/collapse-item/index.tsx
index 3c19d1ad8..02d0d847d 100644
--- a/packages/vantui/src/collapse-item/index.tsx
+++ b/packages/vantui/src/collapse-item/index.tsx
@@ -48,7 +48,12 @@ export function CollapseItem(
 
   useEffect(() => {
     setTimeout(() => {
-      getRect(null, `#content-class${curCompIndex}`).then((res: any) => {
+      // 微信端层级太深找不到元素信息 （https://taro-docs.jd.com/docs/optimized#1-%E5%85%A8%E5%B1%80%E9%85%8D%E7%BD%AE%E9%A1%B9-baselevel）
+      const targetId =
+        process.env.TARO_ENV === 'weapp'
+          ? `.van-collapse >>> #content-class${curCompIndex}`
+          : `#content-class${curCompIndex}`
+      getRect(null, `${targetId}`).then((res: any) => {
         if (res) {
           setDomHeight(res.height)
           nextTick(() => {