diff --git a/packages/uni-cli-shared/src/mp/constants.ts b/packages/uni-cli-shared/src/mp/constants.ts
new file mode 100644
index 0000000000000000000000000000000000000000..4f8fe8574d671c3705489a1db2656dacc399db94
--- /dev/null
+++ b/packages/uni-cli-shared/src/mp/constants.ts
@@ -0,0 +1,2 @@
+export const COMPONENT_ON_LINK = 'onVI'
+export const COMPONENT_BIND_LINK = '__l'
diff --git a/packages/uni-cli-shared/src/mp/index.ts b/packages/uni-cli-shared/src/mp/index.ts
index 54f2ca47ac4e25ee4f9488e84156e694e507b840..8fd3c1573b2367d04847968a2b67df2639db5012 100644
--- a/packages/uni-cli-shared/src/mp/index.ts
+++ b/packages/uni-cli-shared/src/mp/index.ts
@@ -2,4 +2,5 @@ export * from './nvue'
 export * from './event'
 export * from './style'
 export * from './template'
+export * from './constants'
 export { transformVueComponentImports } from './transformImports'
diff --git a/packages/uni-cli-shared/src/utils.ts b/packages/uni-cli-shared/src/utils.ts
index c066c6ab45b1b8f154a352777c5bea6f21cb7781..9651976168bc551321a1809f6dd9bdd9bdf699b9 100644
--- a/packages/uni-cli-shared/src/utils.ts
+++ b/packages/uni-cli-shared/src/utils.ts
@@ -7,21 +7,22 @@ export { default as hash } from 'hash-sum'
 
 import { PAGE_EXTNAME, PAGE_EXTNAME_APP } from './constants'
 import { SFCTemplateCompileOptions } from '@vue/compiler-sfc'
-import { NodeTypes, ElementNode, Node } from '@vue/compiler-core'
+import {
+  NodeTypes,
+  ElementNode,
+  RootNode,
+  TemplateChildNode,
+} from '@vue/compiler-core'
 export const isWindows = os.platform() === 'win32'
 export function normalizePath(id: string): string {
   return isWindows ? id.replace(/\\/g, '/') : id
 }
 
 export function checkElementNodeTag(
-  node: Node | null | undefined,
+  node: RootNode | TemplateChildNode | null | undefined,
   tag: string
 ): node is ElementNode {
-  return (
-    !!node &&
-    node.type === NodeTypes.ELEMENT &&
-    (node as ElementNode).tag === tag
-  )
+  return !!node && node.type === NodeTypes.ELEMENT && node.tag === tag
 }
 
 export const resolveMainPathOnce = once((inputDir: string) => {
diff --git a/packages/uni-cli-shared/src/vue/transforms/transformComponent.ts b/packages/uni-cli-shared/src/vue/transforms/transformComponent.ts
index 65cb7c110fe36f3e29da776770987a08fbcc3a7f..8b65d5aec14b1ee86f5c6c8545434ff350cbdd5c 100644
--- a/packages/uni-cli-shared/src/vue/transforms/transformComponent.ts
+++ b/packages/uni-cli-shared/src/vue/transforms/transformComponent.ts
@@ -9,30 +9,35 @@ import {
   TemplateChildNode,
   TransformContext,
 } from '@vue/compiler-core'
+import { COMPONENT_BIND_LINK, COMPONENT_ON_LINK } from '../../mp/constants'
 
-export function addComponentBindLink(
-  node: RootNode | TemplateChildNode,
-  context: TransformContext
+export function createTransformComponentLink(
+  name: typeof COMPONENT_BIND_LINK | typeof COMPONENT_ON_LINK
 ) {
-  if (
-    node.type === NodeTypes.ELEMENT &&
-    node.tagType === ElementTypes.COMPONENT
+  return function transformComponentLink(
+    node: RootNode | TemplateChildNode,
+    context: TransformContext
   ) {
-    const { tag } = node
     if (
-      isComponentTag(tag) ||
-      isCoreComponent(tag) ||
-      context.isBuiltInComponent(tag)
+      node.type === NodeTypes.ELEMENT &&
+      node.tagType === ElementTypes.COMPONENT
     ) {
-      return
+      const { tag } = node
+      if (
+        isComponentTag(tag) ||
+        isCoreComponent(tag) ||
+        context.isBuiltInComponent(tag)
+      ) {
+        return
+      }
+      node.props.push({
+        type: NodeTypes.DIRECTIVE,
+        name: 'on',
+        modifiers: [],
+        loc: locStub,
+        arg: createSimpleExpression(name, true),
+        exp: createSimpleExpression('__l', true),
+      })
     }
-    node.props.push({
-      type: NodeTypes.DIRECTIVE,
-      name: 'on',
-      modifiers: [],
-      loc: locStub,
-      arg: createSimpleExpression('__l', true),
-      exp: createSimpleExpression('__l', true),
-    })
   }
 }
diff --git a/packages/uni-mp-baidu/dist/uni.compiler.js b/packages/uni-mp-baidu/dist/uni.compiler.js
index 42659955416c4f94413fe9fb5dd454453ccdd169..a079bd609392ffc03f827721e60bf8015ee1cba5 100644
--- a/packages/uni-mp-baidu/dist/uni.compiler.js
+++ b/packages/uni-mp-baidu/dist/uni.compiler.js
@@ -148,7 +148,7 @@ const miniProgram = {
         array: true,
     },
     slot: {
-        fallback: false,
+        fallback: true,
     },
     directive: 's-',
 };
diff --git a/packages/uni-mp-baidu/src/compiler/options.ts b/packages/uni-mp-baidu/src/compiler/options.ts
index a5663f2d36d36c3102d11f69eda63d4aadcf9ca6..d9d5c5b2152b88a46d85eb210b32e0df0f0d782d 100644
--- a/packages/uni-mp-baidu/src/compiler/options.ts
+++ b/packages/uni-mp-baidu/src/compiler/options.ts
@@ -12,7 +12,7 @@ export const miniProgram: MiniProgramCompilerOptions = {
     array: true,
   },
   slot: {
-    fallback: false,
+    fallback: true,
   },
   directive: 's-',
 }
diff --git a/packages/uni-mp-compiler/__tests__/component.spec.ts b/packages/uni-mp-compiler/__tests__/component.spec.ts
index 5add1d3ec8e04d98a1dfdf69aebc0d67c876e9a2..7c80ee4955975a74e7968546146a051c710b7875 100644
--- a/packages/uni-mp-compiler/__tests__/component.spec.ts
+++ b/packages/uni-mp-compiler/__tests__/component.spec.ts
@@ -1,19 +1,11 @@
-import { addComponentBindLink } from '@dcloudio/uni-cli-shared'
+import {
+  COMPONENT_BIND_LINK,
+  createTransformComponentLink,
+} from '@dcloudio/uni-cli-shared'
 import { assert } from './testUtils'
 
+const nodeTransforms = [createTransformComponentLink(COMPONENT_BIND_LINK)]
 describe('compiler: transform component', () => {
-  //   test('basic', () => {
-  //     assert(
-  //       `<custom/>`,
-  //       `<custom v-i="2a9ec0b0-0" bind:__l="__l"/>`,
-  //       `(_ctx, _cache) => {
-  //   return {}
-  // }`,
-  //       {
-  //         nodeTransforms: [addComponentBindLink as any],
-  //       }
-  //     )
-  //   })
   test('component + component', () => {
     assert(
       `<custom><custom1/></custom>`,
@@ -22,7 +14,7 @@ describe('compiler: transform component', () => {
   return {}
 }`,
       {
-        nodeTransforms: [addComponentBindLink as any],
+        nodeTransforms,
       }
     )
   })
@@ -34,7 +26,7 @@ describe('compiler: transform component', () => {
   return {}
 }`,
       {
-        nodeTransforms: [addComponentBindLink as any],
+        nodeTransforms,
       }
     )
   })
@@ -46,7 +38,7 @@ describe('compiler: transform component', () => {
   return { a: _f(_ctx.items, (item, k0, i0) => { return { a: '2a9ec0b0-0' + '-' + i0 }; }) }
 }`,
       {
-        nodeTransforms: [addComponentBindLink as any],
+        nodeTransforms,
       }
     )
     assert(
@@ -56,7 +48,7 @@ describe('compiler: transform component', () => {
   return { a: _f(_ctx.items, (item, key, index) => { return { a: '2a9ec0b0-0' + '-' + index }; }) }
 }`,
       {
-        nodeTransforms: [addComponentBindLink as any],
+        nodeTransforms,
       }
     )
   })
@@ -68,7 +60,7 @@ describe('compiler: transform component', () => {
   return { a: _f(_ctx.items, (item, k0, i0) => { return { a: '2a9ec0b0-1' + '-' + i0 + ',' + '2a9ec0b0-0' }; }) }
 }`,
       {
-        nodeTransforms: [addComponentBindLink as any],
+        nodeTransforms,
       }
     )
   })
@@ -80,7 +72,7 @@ describe('compiler: transform component', () => {
   return { a: _f(_ctx.items, (item, k0, i0) => { return { a: '2a9ec0b0-1' + '-' + i0 + ',' + ('2a9ec0b0-0' + '-' + i0), b: '2a9ec0b0-0' + '-' + i0 }; }) }
 }`,
       {
-        nodeTransforms: [addComponentBindLink as any],
+        nodeTransforms,
       }
     )
   })
@@ -92,7 +84,7 @@ describe('compiler: transform component', () => {
   return { a: _f(_ctx.items, (item, k0, i0) => { return { a: _f(item.items, (item1, k1, i1) => { return { a: '2a9ec0b0-1' + '-' + i0 + '-' + i1 + ',' + ('2a9ec0b0-0' + '-' + i0) }; }), b: '2a9ec0b0-0' + '-' + i0 }; }) }
 }`,
       {
-        nodeTransforms: [addComponentBindLink as any],
+        nodeTransforms,
       }
     )
   })
diff --git a/packages/uni-mp-compiler/__tests__/slot.fallback.spec.ts b/packages/uni-mp-compiler/__tests__/slot.fallback.spec.ts
new file mode 100644
index 0000000000000000000000000000000000000000..9a9cb83c8adcd69383db7593a76cf9cc3b445e07
--- /dev/null
+++ b/packages/uni-mp-compiler/__tests__/slot.fallback.spec.ts
@@ -0,0 +1,52 @@
+import { assert, miniProgram } from './testUtils'
+
+const options = {
+  miniProgram: {
+    ...miniProgram,
+    slot: {
+      fallback: true,
+    },
+  },
+}
+describe('compiler: transform slot', () => {
+  test('basic', () => {
+    assert(
+      `<button><slot/></button>`,
+      `<button><slot/></button>`,
+      `(_ctx, _cache) => {
+  return {}
+}`,
+      options
+    )
+  })
+  test('fallback content', () => {
+    assert(
+      `<button><slot>Submit</slot></button>`,
+      `<button><slot>Submit</slot></button>`,
+      `(_ctx, _cache) => {
+  return {}
+}`,
+      options
+    )
+  })
+  test('names slots', () => {
+    assert(
+      `<button><slot name="text"/></button>`,
+      `<button><slot name="text"/></button>`,
+      `(_ctx, _cache) => {
+  return {}
+}`,
+      options
+    )
+  })
+  test('names slots with fallback content', () => {
+    assert(
+      `<button><slot name="text">Submit</slot></button>`,
+      `<button><slot name="text">Submit</slot></button>`,
+      `(_ctx, _cache) => {
+  return {}
+}`,
+      options
+    )
+  })
+})
diff --git a/packages/uni-mp-compiler/src/template/codegen.ts b/packages/uni-mp-compiler/src/template/codegen.ts
index 23b2b80c43c0ae8be3f8b0d41284f8dd1510859e..5b515c864473bcaf13ef9c02838c678249587ac7 100644
--- a/packages/uni-mp-compiler/src/template/codegen.ts
+++ b/packages/uni-mp-compiler/src/template/codegen.ts
@@ -114,7 +114,8 @@ function genVFor(
 function genSlot(node: SlotOutletNode, context: TemplateCodegenContext) {
   // 移除掉所有非name属性，即移除作用域插槽的绑定指令
   node.props = node.props.filter((prop) => prop.name === 'name')
-  if (!node.children.length) {
+  if (!node.children.length || context.slot.fallback) {
+    // 无后备内容或支持后备内容
     return genElement(node, context)
   }
   const children = node.children.slice()
diff --git a/packages/uni-mp-qq/dist/uni.compiler.js b/packages/uni-mp-qq/dist/uni.compiler.js
index 75960cb5bf86ad2c9f9e2dcbce31f255b5a41619..846f1517fb52e0bea2755d81078eb5ec7437ae0e 100644
--- a/packages/uni-mp-qq/dist/uni.compiler.js
+++ b/packages/uni-mp-qq/dist/uni.compiler.js
@@ -133,7 +133,7 @@ const options = {
         extname: '.qml',
         directive: 'qq:',
         compilerOptions: {
-            nodeTransforms: [uniCliShared.addComponentBindLink],
+            nodeTransforms: [uniCliShared.createTransformComponentLink(uniCliShared.COMPONENT_BIND_LINK)],
         },
     },
     style: {
diff --git a/packages/uni-mp-qq/src/compiler/options.ts b/packages/uni-mp-qq/src/compiler/options.ts
index 6a3d483de0d73dae6897efcf06551567109c557c..44a20f710a8e601bca949a81dc8ec3bf94208dba 100644
--- a/packages/uni-mp-qq/src/compiler/options.ts
+++ b/packages/uni-mp-qq/src/compiler/options.ts
@@ -1,6 +1,9 @@
 import path from 'path'
 
-import { addComponentBindLink } from '@dcloudio/uni-cli-shared'
+import {
+  COMPONENT_BIND_LINK,
+  createTransformComponentLink,
+} from '@dcloudio/uni-cli-shared'
 import { UniMiniProgramPluginOptions } from '@dcloudio/uni-mp-vite'
 
 import source from './project.config.json'
@@ -56,7 +59,7 @@ export const options: UniMiniProgramPluginOptions = {
     extname: '.qml',
     directive: 'qq:',
     compilerOptions: {
-      nodeTransforms: [addComponentBindLink],
+      nodeTransforms: [createTransformComponentLink(COMPONENT_BIND_LINK)],
     },
   },
   style: {
diff --git a/packages/uni-mp-toutiao/dist/uni.compiler.js b/packages/uni-mp-toutiao/dist/uni.compiler.js
index 8097d55f378e53d906251beef21f0a295e4ddba7..469fae7b5d957412a3e0f57b6928d99aa2c1b3ee 100644
--- a/packages/uni-mp-toutiao/dist/uni.compiler.js
+++ b/packages/uni-mp-toutiao/dist/uni.compiler.js
@@ -69,12 +69,12 @@ ${filter.code}
             },
         },
         slot: {
-            fallback: false,
+            fallback: true,
         },
         extname: '.ttml',
         directive: 'tt:',
         compilerOptions: {
-            nodeTransforms: [uniCliShared.addComponentBindLink],
+            nodeTransforms: [uniCliShared.createTransformComponentLink(uniCliShared.COMPONENT_BIND_LINK)],
         },
     },
     style: {
diff --git a/packages/uni-mp-toutiao/src/compiler/options.ts b/packages/uni-mp-toutiao/src/compiler/options.ts
index a17b2d0186945e7cbb003440461e5a881c3232bb..f097f4f3bc5e7841d3ab14a20ee8d693c98f58ef 100644
--- a/packages/uni-mp-toutiao/src/compiler/options.ts
+++ b/packages/uni-mp-toutiao/src/compiler/options.ts
@@ -1,5 +1,8 @@
 import path from 'path'
-import { addComponentBindLink } from '@dcloudio/uni-cli-shared'
+import {
+  COMPONENT_BIND_LINK,
+  createTransformComponentLink,
+} from '@dcloudio/uni-cli-shared'
 import { UniMiniProgramPluginOptions } from '@dcloudio/uni-mp-vite'
 
 import source from './project.config.json'
@@ -44,12 +47,12 @@ ${filter.code}
       },
     },
     slot: {
-      fallback: false,
+      fallback: true,
     },
     extname: '.ttml',
     directive: 'tt:',
     compilerOptions: {
-      nodeTransforms: [addComponentBindLink],
+      nodeTransforms: [createTransformComponentLink(COMPONENT_BIND_LINK)],
     },
   },
   style: {
diff --git a/packages/uni-mp-vite/src/plugin/build.ts b/packages/uni-mp-vite/src/plugin/build.ts
index 9c6a278b736c97c7a5a17fdb460a57ac7a05e0db..322f20747885d72c6827b4038cbd0ef3e36cde28 100644
--- a/packages/uni-mp-vite/src/plugin/build.ts
+++ b/packages/uni-mp-vite/src/plugin/build.ts
@@ -11,6 +11,7 @@ import {
   hasJsonFile,
   removeExt,
   resolveMainPathOnce,
+  normalizeMiniProgramFilename,
 } from '@dcloudio/uni-cli-shared'
 import { GetManualChunk, GetModuleInfo } from 'rollup'
 import {
@@ -57,10 +58,7 @@ export function buildOptions(): UserConfig['build'] {
                 parseVirtualComponentPath(id)
               )
             }
-            const filepath = path.relative(inputDir, id)
-            return normalizePath(
-              filepath.replace(path.extname(filepath), '.js')
-            )
+            return removeExt(normalizeMiniProgramFilename(id, inputDir)) + '.js'
           }
           return '[name].js'
         },
diff --git a/packages/uni-mp-weixin/dist/uni.compiler.js b/packages/uni-mp-weixin/dist/uni.compiler.js
index 72b9e19d7e465e305d64ec498770b3b944a46382..fced358e12904b3518095b173bd4cc5cf11c4896 100644
--- a/packages/uni-mp-weixin/dist/uni.compiler.js
+++ b/packages/uni-mp-weixin/dist/uni.compiler.js
@@ -117,7 +117,10 @@ ${filter.code}
         extname: '.wxml',
         directive: 'wx:',
         compilerOptions: {
-            nodeTransforms: [uniCliShared.addComponentBindLink],
+            isCustomElement: (tag) => {
+                return ['page-meta', 'navigation-bar', 'match-media'].includes(tag);
+            },
+            nodeTransforms: [uniCliShared.createTransformComponentLink(uniCliShared.COMPONENT_BIND_LINK)],
         },
     },
     style: {
diff --git a/packages/uni-mp-weixin/src/compiler/options.ts b/packages/uni-mp-weixin/src/compiler/options.ts
index 3e23b1807aaa32cf2de253df7d684ccf199d7f2b..1588e5f689da94048e153d3668792d6d57d1cb45 100644
--- a/packages/uni-mp-weixin/src/compiler/options.ts
+++ b/packages/uni-mp-weixin/src/compiler/options.ts
@@ -1,6 +1,9 @@
 import path from 'path'
 
-import { addComponentBindLink } from '@dcloudio/uni-cli-shared'
+import {
+  COMPONENT_BIND_LINK,
+  createTransformComponentLink,
+} from '@dcloudio/uni-cli-shared'
 import { UniMiniProgramPluginOptions } from '@dcloudio/uni-mp-vite'
 
 import source from './project.config.json'
@@ -65,7 +68,10 @@ ${filter.code}
     extname: '.wxml',
     directive: 'wx:',
     compilerOptions: {
-      nodeTransforms: [addComponentBindLink],
+      isCustomElement: (tag) => {
+        return ['page-meta', 'navigation-bar', 'match-media'].includes(tag)
+      },
+      nodeTransforms: [createTransformComponentLink(COMPONENT_BIND_LINK)],
     },
   },
   style: {