fix: showModal

packages/uni-core/src/helpers/dom.ts

 import { withModifiers } from 'vue'
 import safeAreaInsets from 'safe-area-insets'
 
-export const onTouchmovePrevent = /*#__PURE__*/ withModifiers(() => {}, [
-  'prevent',
-])
-export const onTouchmoveStop = /*#__PURE__*/ withModifiers(() => {}, ['stop'])
+export const onEventPrevent = /*#__PURE__*/ withModifiers(() => {}, ['prevent'])
+export const onEventStop = /*#__PURE__*/ withModifiers(() => {}, ['stop'])
 
 export function getWindowOffset() {
   const style = document.documentElement.style

packages/uni-h5/dist/uni-h5.esm.js

@@ -623,11 +623,9 @@ var safeAreaInsets = {
   offChange
 };
 var out = safeAreaInsets;
-const onTouchmovePrevent = /* @__PURE__ */ withModifiers(() => {
-}, [
-  "prevent"
-]);
-const onTouchmoveStop = /* @__PURE__ */ withModifiers(() => {
+const onEventPrevent = /* @__PURE__ */ withModifiers(() => {
+}, ["prevent"]);
+const onEventStop = /* @__PURE__ */ withModifiers(() => {
 }, ["stop"]);
 function getWindowOffset() {
   const style2 = document.documentElement.style;
@@ -12848,7 +12846,7 @@ var modal = /* @__PURE__ */ defineComponent({
         name: "uni-fade"
       }, {
         default: () => [withDirectives(createVNode("uni-modal", {
-          onTouchmove: onTouchmovePrevent
+          onTouchmove: onEventPrevent
         }, [VNODE_MASK, createVNode("div", {
           class: "uni-modal"
         }, [title && createVNode("div", {
@@ -12858,9 +12856,9 @@ var modal = /* @__PURE__ */ defineComponent({
           textContent: title
         }, null, 8, ["textContent"])]), createVNode("div", {
           class: "uni-modal__bd",
-          onTouchmove: onTouchmoveStop,
+          onTouchmovePassive: onEventStop,
           textContent: content
-        }, null, 40, ["onTouchmove", "textContent"]), createVNode("div", {
+        }, null, 40, ["onTouchmovePassive", "textContent"]), createVNode("div", {
           class: "uni-modal__ft"
         }, [showCancel && createVNode("div", {
           style: {
@@ -12891,11 +12889,11 @@ const showModal = defineAsyncApi(API_SHOW_MODAL, (args, {resolve}) => {
   currentShowModalResolve = resolve;
   if (!showModalState) {
     showModalState = reactive(args);
-    nextTick(() => createRootApp(modal, showModalState, onModalClose).mount(ensureRoot("u-a-m")));
+    nextTick(() => (createRootApp(modal, showModalState, onModalClose).mount(ensureRoot("u-a-m")), nextTick(() => showModalState.visible = true)));
   } else {
     extend(showModalState, args);
+    showModalState.visible = true;
   }
-  showModalState.visible = true;
 }, ShowModalProtocol, ShowModalOptions);
 const loadFontFace = defineAsyncApi(API_LOAD_FONT_FACE, ({family, source, desc}, {resolve, reject}) => {
   addFont(family, source, desc).then(() => {

packages/uni-h5/src/service/api/ui/popup/modal.tsx

-import { onTouchmovePrevent, onTouchmoveStop } from '@dcloudio/uni-core'
+import { onEventPrevent, onEventStop } from '@dcloudio/uni-core'
 import { Transition, defineComponent, ExtractPropTypes } from 'vue'
 import { usePopup, VNODE_MASK } from './utils'
 
@@ -51,7 +51,7 @@ export default /*#__PURE__*/ defineComponent({
       const { title, content, showCancel, confirmText, confirmColor } = props
       return (
         <Transition name="uni-fade">
-          <uni-modal v-show={visible.value} onTouchmove={onTouchmovePrevent}>
+          <uni-modal v-show={visible.value} onTouchmove={onEventPrevent}>
             {VNODE_MASK}
             <div class="uni-modal">
               {title && (
@@ -61,7 +61,7 @@ export default /*#__PURE__*/ defineComponent({
               )}
               <div
                 class="uni-modal__bd"
-                onTouchmove={onTouchmoveStop}
+                onTouchmovePassive={onEventStop}
                 v-text={content}
               ></div>
               <div class="uni-modal__ft">

packages/uni-h5/src/service/api/ui/popup/showModal.ts

@@ -31,15 +31,18 @@ export const showModal = defineAsyncApi<API_TYPE_SHOW_MODAL>(
     if (!showModalState) {
       showModalState = reactive(args as ModalProps)
       // 异步执行，避免干扰 getCurrentInstance
-      nextTick(() =>
-        createRootApp(modal, showModalState, onModalClose).mount(
-          ensureRoot('u-a-m')
+      nextTick(
+        () => (
+          createRootApp(modal, showModalState, onModalClose).mount(
+            ensureRoot('u-a-m')
+          ), //下一帧执行，确保首次显示时有动画效果
+          nextTick(() => (showModalState.visible = true))
         )
       )
     } else {
       extend(showModalState, args)
+      showModalState.visible = true
     }
-    showModalState.visible = true
   },
   ShowModalProtocol,
   ShowModalOptions