diff --git a/docs/api/hippy-react/components.md b/docs/api/hippy-react/components.md
index 8eb31e2f312..dedb680ed7f 100644
--- a/docs/api/hippy-react/components.md
+++ b/docs/api/hippy-react/components.md
@@ -550,6 +550,7 @@ import icon from './qb_icon_new.png';
 | renderPullHeader | 如何渲染 `PullHeader`，此时 `containPullHeader` 默认设置成 `true` |  `() => React.ReactElement` | `Android、iOS、Voltron`    |
 | renderPullFooter | 如何渲染 `PullFooter`，此时 `containPullFooter` 默认设置成 `true` |  `() => React.ReactElement` | `Android、iOS、Voltron` |
 | onScroll              | 当触发 `WaterFall` 的滑动事件时回调。`startEdgePos`表示距离 List 顶部边缘滚动偏移量；`endEdgePos`表示距离 List 底部边缘滚动偏移量；`firstVisibleRowIndex`表示当前可见区域内第一个元素的索引；`lastVisibleRowIndex`表示当前可见区域内最后一个元素的索引；`visibleRowFrames`表示当前可见区域内所有 item 的信息(x，y，width，height)    | `nativeEvent: { startEdgePos: number, endEdgePos: number, firstVisibleRowIndex: number, lastVisibleRowIndex: number, visibleRowFrames: Object[] }` | `Android、iOS、Voltron`
+| showScrollIndicator   | 是否显示滚动条。(iOS 3.3.2版本起支持) `default: true` | `boolean`  | `iOS` |
 
 ## 方法
 
diff --git a/docs/api/hippy-vue/external-components.md b/docs/api/hippy-vue/external-components.md
index 1e47c97ee04..6c6c112713a 100644
--- a/docs/api/hippy-vue/external-components.md
+++ b/docs/api/hippy-vue/external-components.md
@@ -285,6 +285,7 @@ export default {
 | containPullFooter | 是否包含 `pull-footer` | `boolean`  | `Android、iOS、Voltron` |
 | numberOfColumns   | 瀑布流列数量，Default: 2                                               | `number`   | `Android、iOS、Voltron`    |
 | preloadItemNumber | 滑动到瀑布流底部前提前预加载的 item 数量       | `number`   | `Android、iOS、Voltron`    |
+| showScrollIndicator   | 是否显示滚动条。(iOS 3.3.2版本起支持) `default: true` | `boolean`  | `iOS` |
 
 ## 事件
 
diff --git a/framework/ios/base/executors/HippyJSExecutor.mm b/framework/ios/base/executors/HippyJSExecutor.mm
index 2bc0ab487f7..46c787d4cf3 100644
--- a/framework/ios/base/executors/HippyJSExecutor.mm
+++ b/framework/ios/base/executors/HippyJSExecutor.mm
@@ -661,7 +661,7 @@ - (void)executeBlockOnJavaScriptQueue:(dispatch_block_t)block {
             return;
         }
     }
-    std::shared_ptr<EngineResource> engineRsc = [[HippyJSEnginesMapper defaultInstance] JSEngineResourceForKey:self.enginekey];
+    auto engineRsc = [[HippyJSEnginesMapper defaultInstance] JSEngineResourceForKey:self.enginekey];
     if (!engineRsc) {
         return;
     }
@@ -670,8 +670,8 @@ - (void)executeBlockOnJavaScriptQueue:(dispatch_block_t)block {
         auto runner = engine->GetJsTaskRunner();
         if (footstone::Worker::IsTaskRunning() && runner == footstone::runner::TaskRunner::GetCurrentTaskRunner()) {
             block();
-        } else {
-            engine->GetJsTaskRunner()->PostTask(block);
+        } else if (runner) {
+            runner->PostTask(block);
         }
     }
 }
@@ -683,13 +683,16 @@ - (void)executeAsyncBlockOnJavaScriptQueue:(dispatch_block_t)block {
             return;
         }
     }
-    std::shared_ptr<EngineResource> engineRsc = [[HippyJSEnginesMapper defaultInstance] JSEngineResourceForKey:self.enginekey];
+    auto engineRsc = [[HippyJSEnginesMapper defaultInstance] JSEngineResourceForKey:self.enginekey];
     if (!engineRsc) {
         return;
     }
     auto engine = engineRsc->GetEngine();
     if (engine) {
-        engine->GetJsTaskRunner()->PostTask(block);
+        auto runner = engine->GetJsTaskRunner();
+        if (runner) {
+            runner->PostTask(block);
+        }
     }
 }
 
diff --git a/renderer/native/ios/renderer/HippyUIManager.mm b/renderer/native/ios/renderer/HippyUIManager.mm
index 5cfd1b514aa..b6750e43e87 100644
--- a/renderer/native/ios/renderer/HippyUIManager.mm
+++ b/renderer/native/ios/renderer/HippyUIManager.mm
@@ -1173,7 +1173,7 @@ - (void)addEventName:(const std::string &)name
                     if (!bridge) {
                         return;
                     }
-                    [bridge.javaScriptExecutor executeBlockOnJavaScriptQueue:^{
+                    [bridge.javaScriptExecutor executeAsyncBlockOnJavaScriptQueue:^{
                         auto strongNode = weakNode.lock();
                         if (strongNode) {
                             strongNode->HandleEvent(event);
diff --git a/renderer/native/ios/renderer/component/waterfalllist/HippyWaterfallViewManager.m b/renderer/native/ios/renderer/component/waterfalllist/HippyWaterfallViewManager.m
index 5e3e33f1521..936a8dd5db4 100644
--- a/renderer/native/ios/renderer/component/waterfalllist/HippyWaterfallViewManager.m
+++ b/renderer/native/ios/renderer/component/waterfalllist/HippyWaterfallViewManager.m
@@ -44,6 +44,7 @@ @implementation HippyWaterfallViewManager
 HIPPY_EXPORT_VIEW_PROPERTY(containPullFooter, BOOL)
 HIPPY_EXPORT_VIEW_PROPERTY(scrollEventThrottle, double)
 HIPPY_EXPORT_VIEW_PROPERTY(onScroll, HippyDirectEventBlock)
+HIPPY_REMAP_VIEW_PROPERTY(showScrollIndicator, collectionView.showsVerticalScrollIndicator, BOOL)
 
 - (UIView *)view {
     return [[HippyWaterfallView alloc] init];