diff --git a/packages/uni-mp-alipay/dist/uni.mp.esm.js b/packages/uni-mp-alipay/dist/uni.mp.esm.js
index aa7c7317f83f43be4288362e6708cd00d526a30d..4b2de683d6031b0c5ae46f3bea4aabc8ef7c6798 100644
--- a/packages/uni-mp-alipay/dist/uni.mp.esm.js
+++ b/packages/uni-mp-alipay/dist/uni.mp.esm.js
@@ -258,7 +258,12 @@ function hasHook(name) {
     return false;
 }
 function callHook(name, args) {
-    if (name === 'onLoad' && args && args.__id__) {
+    if (name === 'mounted') {
+        callHook.call(this, 'bm'); // beforeMount
+        this.$.isMounted = true;
+        name = 'm';
+    }
+    else if (name === 'onLoad' && args && args.__id__) {
         this.__eventChannel__ = getEventChannel(args.__id__);
         delete args.__id__;
     }
diff --git a/packages/uni-mp-baidu/dist/uni.mp.esm.js b/packages/uni-mp-baidu/dist/uni.mp.esm.js
index ef517c2d999ad7767b7291eb6702f7fd7e4343e7..9e549b0e9764ce40d03e21500a8a4e3791430d57 100644
--- a/packages/uni-mp-baidu/dist/uni.mp.esm.js
+++ b/packages/uni-mp-baidu/dist/uni.mp.esm.js
@@ -248,7 +248,12 @@ function hasHook(name) {
     return false;
 }
 function callHook(name, args) {
-    if (name === 'onLoad' && args && args.__id__) {
+    if (name === 'mounted') {
+        callHook.call(this, 'bm'); // beforeMount
+        this.$.isMounted = true;
+        name = 'm';
+    }
+    else if (name === 'onLoad' && args && args.__id__) {
         this.__eventChannel__ = getEventChannel(args.__id__);
         delete args.__id__;
     }
@@ -386,15 +391,18 @@ function initWxsCallMethods(methods, wxsCallMethods) {
         };
     });
 }
+function selectAllComponents(mpInstance, selector, $refs) {
+    const components = mpInstance.selectAllComponents(selector);
+    components.forEach((component) => {
+        const ref = component.dataset.ref;
+        $refs[ref] = component.$vm || component;
+    });
+}
 function initRefs(instance, mpInstance) {
     Object.defineProperty(instance, 'refs', {
         get() {
             const $refs = {};
-            const components = mpInstance.selectAllComponents('.vue-ref');
-            components.forEach((component) => {
-                const ref = component.dataset.ref;
-                $refs[ref] = component.$vm || component;
-            });
+            selectAllComponents(mpInstance, '.vue-ref', $refs);
             const forComponents = mpInstance.selectAllComponents('.vue-ref-in-for');
             forComponents.forEach((component) => {
                 const ref = component.dataset.ref;
diff --git a/packages/uni-mp-core/src/runtime/componentInstance.ts b/packages/uni-mp-core/src/runtime/componentInstance.ts
index fb8601484a2b78873250b8ca5cc7c41a76999e71..74e66094421d825d3af9c96ab0dae0fdb3ae6207 100644
--- a/packages/uni-mp-core/src/runtime/componentInstance.ts
+++ b/packages/uni-mp-core/src/runtime/componentInstance.ts
@@ -211,7 +211,11 @@ function hasHook(this: ComponentPublicInstance, name: string) {
 }
 
 function callHook(this: ComponentPublicInstance, name: string, args?: unknown) {
-  if (name === 'onLoad' && args && (args as any).__id__) {
+  if (name === 'mounted') {
+    callHook.call(this, 'bm') // beforeMount
+    this.$.isMounted = true
+    name = 'm'
+  } else if (name === 'onLoad' && args && (args as any).__id__) {
     ;(this as any).__eventChannel__ = getEventChannel((args as any).__id__)
     delete (args as any).__id__
   }
diff --git a/packages/uni-mp-core/src/runtime/util.ts b/packages/uni-mp-core/src/runtime/util.ts
index a0be9f2f9141d2030dac11234d3127f21bc3add8..9004fae08c9e17028caf0553c0e9bce067c0798d 100644
--- a/packages/uni-mp-core/src/runtime/util.ts
+++ b/packages/uni-mp-core/src/runtime/util.ts
@@ -56,6 +56,31 @@ export function initWxsCallMethods(
   })
 }
 
+function selectAllComponents(
+  mpInstance: MPComponentInstance,
+  selector: string,
+  $refs: Record<string, ComponentPublicInstance>
+) {
+  const components = mpInstance.selectAllComponents(selector)
+  components.forEach((component) => {
+    const ref = component.dataset.ref
+    $refs[ref] = component.$vm || component
+    if (__PLATFORM__ === 'mp-weixin') {
+      if (component.dataset.vueGeneric === 'scoped') {
+        component
+          .selectAllComponents('.scoped-ref')
+          .forEach((scopedComponent) => {
+            selectAllComponents(
+              scopedComponent as MPComponentInstance,
+              selector,
+              $refs
+            )
+          })
+      }
+    }
+  })
+}
+
 export function initRefs(
   instance: ComponentInternalInstance,
   mpInstance: MPComponentInstance
@@ -63,11 +88,7 @@ export function initRefs(
   Object.defineProperty(instance, 'refs', {
     get() {
       const $refs: Record<string, any> = {}
-      const components = mpInstance.selectAllComponents('.vue-ref')
-      components.forEach((component) => {
-        const ref = component.dataset.ref
-        $refs[ref] = component.$vm || component
-      })
+      selectAllComponents(mpInstance, '.vue-ref', $refs)
       const forComponents = mpInstance.selectAllComponents('.vue-ref-in-for')
       forComponents.forEach((component) => {
         const ref = component.dataset.ref
diff --git a/packages/uni-mp-qq/dist/uni.mp.esm.js b/packages/uni-mp-qq/dist/uni.mp.esm.js
index ec0e18d956263dc2f762318432a0c7c9c0af52aa..5ecb45d1f1644d8b68eaeb4d38fbfa80c03c1ab9 100644
--- a/packages/uni-mp-qq/dist/uni.mp.esm.js
+++ b/packages/uni-mp-qq/dist/uni.mp.esm.js
@@ -248,7 +248,12 @@ function hasHook(name) {
     return false;
 }
 function callHook(name, args) {
-    if (name === 'onLoad' && args && args.__id__) {
+    if (name === 'mounted') {
+        callHook.call(this, 'bm'); // beforeMount
+        this.$.isMounted = true;
+        name = 'm';
+    }
+    else if (name === 'onLoad' && args && args.__id__) {
         this.__eventChannel__ = getEventChannel(args.__id__);
         delete args.__id__;
     }
@@ -386,15 +391,18 @@ function initWxsCallMethods(methods, wxsCallMethods) {
         };
     });
 }
+function selectAllComponents(mpInstance, selector, $refs) {
+    const components = mpInstance.selectAllComponents(selector);
+    components.forEach((component) => {
+        const ref = component.dataset.ref;
+        $refs[ref] = component.$vm || component;
+    });
+}
 function initRefs(instance, mpInstance) {
     Object.defineProperty(instance, 'refs', {
         get() {
             const $refs = {};
-            const components = mpInstance.selectAllComponents('.vue-ref');
-            components.forEach((component) => {
-                const ref = component.dataset.ref;
-                $refs[ref] = component.$vm || component;
-            });
+            selectAllComponents(mpInstance, '.vue-ref', $refs);
             const forComponents = mpInstance.selectAllComponents('.vue-ref-in-for');
             forComponents.forEach((component) => {
                 const ref = component.dataset.ref;
diff --git a/packages/uni-mp-toutiao/dist/uni.mp.esm.js b/packages/uni-mp-toutiao/dist/uni.mp.esm.js
index 912f6bfca61e860b3bddae50517f4f69fd74c43c..a10aceaa4240560569375cf29f9df118c7639afc 100644
--- a/packages/uni-mp-toutiao/dist/uni.mp.esm.js
+++ b/packages/uni-mp-toutiao/dist/uni.mp.esm.js
@@ -248,7 +248,12 @@ function hasHook(name) {
     return false;
 }
 function callHook(name, args) {
-    if (name === 'onLoad' && args && args.__id__) {
+    if (name === 'mounted') {
+        callHook.call(this, 'bm'); // beforeMount
+        this.$.isMounted = true;
+        name = 'm';
+    }
+    else if (name === 'onLoad' && args && args.__id__) {
         this.__eventChannel__ = getEventChannel(args.__id__);
         delete args.__id__;
     }
@@ -389,15 +394,18 @@ function initWxsCallMethods(methods, wxsCallMethods) {
         };
     });
 }
+function selectAllComponents(mpInstance, selector, $refs) {
+    const components = mpInstance.selectAllComponents(selector);
+    components.forEach((component) => {
+        const ref = component.dataset.ref;
+        $refs[ref] = component.$vm || component;
+    });
+}
 function initRefs(instance, mpInstance) {
     Object.defineProperty(instance, 'refs', {
         get() {
             const $refs = {};
-            const components = mpInstance.selectAllComponents('.vue-ref');
-            components.forEach((component) => {
-                const ref = component.dataset.ref;
-                $refs[ref] = component.$vm || component;
-            });
+            selectAllComponents(mpInstance, '.vue-ref', $refs);
             const forComponents = mpInstance.selectAllComponents('.vue-ref-in-for');
             forComponents.forEach((component) => {
                 const ref = component.dataset.ref;
diff --git a/packages/uni-mp-vue/dist/vue.runtime.esm.js b/packages/uni-mp-vue/dist/vue.runtime.esm.js
index 603a3baadfb45a2d8d1362136c90762d15c7d65a..30ffc94b53b23f7ff72f1d515bab3ffa30f4b397 100644
--- a/packages/uni-mp-vue/dist/vue.runtime.esm.js
+++ b/packages/uni-mp-vue/dist/vue.runtime.esm.js
@@ -1,13 +1,6 @@
-import { isSymbol, extend, isMap, isObject, toRawType, def, isArray, isString, isFunction, isPromise, toHandlerKey, remove, EMPTY_OBJ, camelize, capitalize, normalizeClass, normalizeStyle, isOn, NOOP, isGloballyWhitelisted, isIntegerKey, hasOwn, hasChanged, invokeArrayFns as invokeArrayFns$1, makeMap, isSet, NO, toNumber, hyphenate, isReservedProp, EMPTY_ARR, toTypeString } from '@vue/shared';
+import { isSymbol, extend, isMap, isObject, toRawType, def, isArray, isString, isFunction, isPromise, toHandlerKey, remove, EMPTY_OBJ, camelize, capitalize, normalizeClass, normalizeStyle, isOn, NOOP, isGloballyWhitelisted, isIntegerKey, hasOwn, hasChanged, invokeArrayFns, makeMap, isSet, NO, toNumber, hyphenate, isReservedProp, EMPTY_ARR, toTypeString } from '@vue/shared';
 export { camelize } from '@vue/shared';
 
-const invokeArrayFns = (fns, arg) => {
-    let ret;
-    for (let i = 0; i < fns.length; i++) {
-        ret = fns[i](arg);
-    }
-    return ret;
-};
 const ON_ERROR = 'onError';
 
 const targetMap = new WeakMap();
@@ -3055,29 +3048,8 @@ const publicPropertiesMap = extend(Object.create(null), {
     $options: i => (__VUE_OPTIONS_API__ ? resolveMergedOptions(i) : i.type),
     $forceUpdate: i => () => queueJob(i.update),
     // $nextTick: i => nextTick.bind(i.proxy!), // fixed by xxxxxx
-    $watch: i => (__VUE_OPTIONS_API__ ? instanceWatch.bind(i) : NOOP),
-    // compat
-    $children: getCompatChildren
+    $watch: i => (__VUE_OPTIONS_API__ ? instanceWatch.bind(i) : NOOP)
 });
-function getCompatChildren(instance) {
-    const root = instance.subTree;
-    const children = [];
-    if (root) {
-        walk(root, children);
-    }
-    return children;
-}
-function walk(vnode, children) {
-    if (vnode.component) {
-        children.push(vnode.component.proxy);
-    }
-    else if (vnode.shapeFlag & 16 /* ARRAY_CHILDREN */) {
-        const vnodes = vnode.children;
-        for (let i = 0; i < vnodes.length; i++) {
-            walk(vnodes[i], children);
-        }
-    }
-}
 const PublicInstanceProxyHandlers = {
     get({ _: instance }, key) {
         const { ctx, setupState, data, props, accessCache, type, appContext } = instance;
@@ -3981,8 +3953,8 @@ const prodEffectOptions = {
 function createDevEffectOptions(instance) {
     return {
         scheduler: queueJob,
-        onTrack: instance.rtc ? e => invokeArrayFns$1(instance.rtc, e) : void 0,
-        onTrigger: instance.rtg ? e => invokeArrayFns$1(instance.rtg, e) : void 0
+        onTrack: instance.rtc ? e => invokeArrayFns(instance.rtc, e) : void 0,
+        onTrigger: instance.rtg ? e => invokeArrayFns(instance.rtg, e) : void 0
     };
 }
 function setupRenderEffect(instance) {
@@ -3998,7 +3970,7 @@ function setupRenderEffect(instance) {
             const { bu, u } = instance;
             // beforeUpdate hook
             if (bu) {
-                invokeArrayFns$1(bu);
+                invokeArrayFns(bu);
             }
             patch(instance);
             // updated hook
@@ -4012,7 +3984,7 @@ function unmountComponent(instance) {
     const { bum, effects, update, um } = instance;
     // beforeUnmount hook
     if (bum) {
-        invokeArrayFns$1(bum);
+        invokeArrayFns(bum);
     }
     if (effects) {
         for (let i = 0; i < effects.length; i++) {
@@ -4090,17 +4062,6 @@ function applyOptions(options, instance, publicThis) {
 
 function set(target, key, val) {
     return (target[key] = val);
-}
-function hasHook(name) {
-    const hooks = this.$[name];
-    if (hooks && hooks.length) {
-        return true;
-    }
-    return false;
-}
-function callHook(name, args) {
-    const hooks = this.$[name];
-    return hooks && invokeArrayFns(hooks, args);
 }
 
 function errorHandler(err, instance, info) {
@@ -4169,11 +4130,6 @@ function initApp(app) {
     }
     const globalProperties = appConfig.globalProperties;
     uniIdMixin(globalProperties);
-    {
-        // 小程序，待重构，不再挂靠全局
-        globalProperties.$hasHook = hasHook;
-        globalProperties.$callHook = callHook;
-    }
     if (__VUE_OPTIONS_API__) {
         globalProperties.$set = set;
         globalProperties.$applyOptions = applyOptions;
@@ -4183,16 +4139,6 @@ function initApp(app) {
 var plugin = {
     install(app) {
         initApp(app);
-        const globalProperties = app._context.config.globalProperties;
-        const oldCallHook = globalProperties.$callHook;
-        globalProperties.$callHook = function callHook(name, args) {
-            if (name === 'mounted') {
-                oldCallHook.call(this, 'bm'); // beforeMount
-                this.$.isMounted = true;
-                name = 'm';
-            }
-            return oldCallHook.call(this, name, args);
-        };
         const oldMount = app.mount;
         app.mount = function mount(rootContainer) {
             const instance = oldMount.call(app, rootContainer);
diff --git a/packages/uni-mp-vue/lib/vue.runtime.esm.js b/packages/uni-mp-vue/lib/vue.runtime.esm.js
index 0c33a9bf38181974951c6ecc24f7eac85aceca8d..74248254e1d8b35ae9b37a1e57c21dc761f4fac5 100644
--- a/packages/uni-mp-vue/lib/vue.runtime.esm.js
+++ b/packages/uni-mp-vue/lib/vue.runtime.esm.js
@@ -3046,29 +3046,8 @@ const publicPropertiesMap = extend(Object.create(null), {
     $options: i => (__VUE_OPTIONS_API__ ? resolveMergedOptions(i) : i.type),
     $forceUpdate: i => () => queueJob(i.update),
     // $nextTick: i => nextTick.bind(i.proxy!), // fixed by xxxxxx
-    $watch: i => (__VUE_OPTIONS_API__ ? instanceWatch.bind(i) : NOOP),
-    // compat
-    $children: getCompatChildren
+    $watch: i => (__VUE_OPTIONS_API__ ? instanceWatch.bind(i) : NOOP)
 });
-function getCompatChildren(instance) {
-    const root = instance.subTree;
-    const children = [];
-    if (root) {
-        walk(root, children);
-    }
-    return children;
-}
-function walk(vnode, children) {
-    if (vnode.component) {
-        children.push(vnode.component.proxy);
-    }
-    else if (vnode.shapeFlag & 16 /* ARRAY_CHILDREN */) {
-        const vnodes = vnode.children;
-        for (let i = 0; i < vnodes.length; i++) {
-            walk(vnodes[i], children);
-        }
-    }
-}
 const PublicInstanceProxyHandlers = {
     get({ _: instance }, key) {
         const { ctx, setupState, data, props, accessCache, type, appContext } = instance;
diff --git a/packages/uni-mp-vue/src/plugin.ts b/packages/uni-mp-vue/src/plugin.ts
index 51e0ae9f337af33ca909079c2ccb78d11c097397..18bec8980362e9fc592f71ed67c061250b9ba7f4 100644
--- a/packages/uni-mp-vue/src/plugin.ts
+++ b/packages/uni-mp-vue/src/plugin.ts
@@ -5,20 +5,6 @@ import { initApp } from '@dcloudio/uni-vue'
 export default {
   install(app: App) {
     initApp(app)
-    const globalProperties = app._context.config.globalProperties
-    const oldCallHook = globalProperties.$callHook
-    globalProperties.$callHook = function callHook(
-      name: string,
-      args?: unknown
-    ) {
-      if (name === 'mounted') {
-        oldCallHook.call(this, 'bm') // beforeMount
-        this.$.isMounted = true
-        name = 'm'
-      }
-      return oldCallHook.call(this, name, args)
-    }
-
     const oldMount = app.mount
     app.mount = function mount(rootContainer: any) {
       const instance = oldMount.call(app, rootContainer)
diff --git a/packages/uni-mp-weixin/dist/uni.mp.esm.js b/packages/uni-mp-weixin/dist/uni.mp.esm.js
index bd897eb414b3fd467f10d91f2e157079ccbb2530..88f15a1e4240966fd2bbad4a0f59c50729cb0097 100644
--- a/packages/uni-mp-weixin/dist/uni.mp.esm.js
+++ b/packages/uni-mp-weixin/dist/uni.mp.esm.js
@@ -185,7 +185,12 @@ function hasHook(name) {
     return false;
 }
 function callHook(name, args) {
-    if (name === 'onLoad' && args && args.__id__) {
+    if (name === 'mounted') {
+        callHook.call(this, 'bm'); // beforeMount
+        this.$.isMounted = true;
+        name = 'm';
+    }
+    else if (name === 'onLoad' && args && args.__id__) {
         this.__eventChannel__ = getEventChannel(args.__id__);
         delete args.__id__;
     }
@@ -323,15 +328,27 @@ function initWxsCallMethods(methods, wxsCallMethods) {
         };
     });
 }
+function selectAllComponents(mpInstance, selector, $refs) {
+    const components = mpInstance.selectAllComponents(selector);
+    components.forEach((component) => {
+        const ref = component.dataset.ref;
+        $refs[ref] = component.$vm || component;
+        {
+            if (component.dataset.vueGeneric === 'scoped') {
+                component
+                    .selectAllComponents('.scoped-ref')
+                    .forEach((scopedComponent) => {
+                    selectAllComponents(scopedComponent, selector, $refs);
+                });
+            }
+        }
+    });
+}
 function initRefs(instance, mpInstance) {
     Object.defineProperty(instance, 'refs', {
         get() {
             const $refs = {};
-            const components = mpInstance.selectAllComponents('.vue-ref');
-            components.forEach((component) => {
-                const ref = component.dataset.ref;
-                $refs[ref] = component.$vm || component;
-            });
+            selectAllComponents(mpInstance, '.vue-ref', $refs);
             const forComponents = mpInstance.selectAllComponents('.vue-ref-in-for');
             forComponents.forEach((component) => {
                 const ref = component.dataset.ref;
diff --git a/packages/uni-quickapp-webview/dist/uni.mp.esm.js b/packages/uni-quickapp-webview/dist/uni.mp.esm.js
index d473513401e8241966f823984a24548f838f3dab..d9e14ddfd3ac916293c8c59f8f5c206d89b798b4 100644
--- a/packages/uni-quickapp-webview/dist/uni.mp.esm.js
+++ b/packages/uni-quickapp-webview/dist/uni.mp.esm.js
@@ -248,7 +248,12 @@ function hasHook(name) {
     return false;
 }
 function callHook(name, args) {
-    if (name === 'onLoad' && args && args.__id__) {
+    if (name === 'mounted') {
+        callHook.call(this, 'bm'); // beforeMount
+        this.$.isMounted = true;
+        name = 'm';
+    }
+    else if (name === 'onLoad' && args && args.__id__) {
         this.__eventChannel__ = getEventChannel(args.__id__);
         delete args.__id__;
     }
@@ -386,15 +391,18 @@ function initWxsCallMethods(methods, wxsCallMethods) {
         };
     });
 }
+function selectAllComponents(mpInstance, selector, $refs) {
+    const components = mpInstance.selectAllComponents(selector);
+    components.forEach((component) => {
+        const ref = component.dataset.ref;
+        $refs[ref] = component.$vm || component;
+    });
+}
 function initRefs(instance, mpInstance) {
     Object.defineProperty(instance, 'refs', {
         get() {
             const $refs = {};
-            const components = mpInstance.selectAllComponents('.vue-ref');
-            components.forEach((component) => {
-                const ref = component.dataset.ref;
-                $refs[ref] = component.$vm || component;
-            });
+            selectAllComponents(mpInstance, '.vue-ref', $refs);
             const forComponents = mpInstance.selectAllComponents('.vue-ref-in-for');
             forComponents.forEach((component) => {
                 const ref = component.dataset.ref;
diff --git a/packages/uni-shared/dist/uni-shared.d.ts b/packages/uni-shared/dist/uni-shared.d.ts
index 3e95889c8e1f48901b03e756f560591bac374dec..0aeb02ba88520e179b72ae6fa774bcca23b5aabb 100644
--- a/packages/uni-shared/dist/uni-shared.d.ts
+++ b/packages/uni-shared/dist/uni-shared.d.ts
@@ -106,10 +106,10 @@ export declare const defaultRpx2Unit: {
 declare type DictArray = [number, number][];
 
 export declare class EventChannel {
-    id: number;
+    id?: number;
     private listener;
     private emitCache;
-    constructor(id: number, events?: NavigateToOptionEvents);
+    constructor(id?: number, events?: NavigateToOptionEvents);
     emit(eventName: string, ...args: any[]): number | undefined;
     on(eventName: string, fn: EventChannelListener['fn']): void;
     once(eventName: string, fn: EventChannelListener['fn']): void;