diff --git a/src/packages/elevator/demos/taro/demo2.tsx b/src/packages/elevator/demos/taro/demo2.tsx
index bd25162c9e..aa297b9228 100644
--- a/src/packages/elevator/demos/taro/demo2.tsx
+++ b/src/packages/elevator/demos/taro/demo2.tsx
@@ -113,7 +113,7 @@ const Demo2 = () => {
   }
   return (
     <Elevator
-      className="test-elevator1"
+      className="test-elevator2"
       list={dataList}
       height="220"
       floorKey={floorKey}
diff --git a/src/packages/elevator/demos/taro/demo3.tsx b/src/packages/elevator/demos/taro/demo3.tsx
index faf2b4ad04..e6b3cc75a4 100644
--- a/src/packages/elevator/demos/taro/demo3.tsx
+++ b/src/packages/elevator/demos/taro/demo3.tsx
@@ -61,6 +61,7 @@ const Demo3 = () => {
   }
   return (
     <Elevator
+      className="test-elevator3"
       showKeys={false}
       list={dataList}
       height="260"
diff --git a/src/packages/elevator/demos/taro/demo4.tsx b/src/packages/elevator/demos/taro/demo4.tsx
index 08a3249636..612c55e22a 100644
--- a/src/packages/elevator/demos/taro/demo4.tsx
+++ b/src/packages/elevator/demos/taro/demo4.tsx
@@ -125,6 +125,7 @@ const Demo4 = () => {
   }
   return (
     <Elevator
+      className="test-elevator4"
       list={dataList}
       height="220"
       sticky
diff --git a/src/packages/elevator/demos/taro/demo5.tsx b/src/packages/elevator/demos/taro/demo5.tsx
index 4cfa718da4..b59b416cee 100644
--- a/src/packages/elevator/demos/taro/demo5.tsx
+++ b/src/packages/elevator/demos/taro/demo5.tsx
@@ -62,6 +62,7 @@ const Demo5 = () => {
   }
   return (
     <Elevator
+      className="test-elevator5"
       list={dataList}
       height="260"
       onItemClick={(key: string, item: any) => onItemClick(key, item)}