diff --git a/CHANGELOG.md b/CHANGELOG.md
index c3bfbca1..8ebc0812 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,14 @@
+# [1.8.0-beta.20](https://github.com/Tencent/tmagic-editor/compare/v1.8.0-beta.19...v1.8.0-beta.20) (2026-07-30)
+
+
+### Bug Fixes
+
+* **editor:** 修复删除页面/页面片时画布被误清空的问题 ([aa42144](https://github.com/Tencent/tmagic-editor/commit/aa4214473858200c62b6efab79c0671e06cc3917))
+
+
+### Features
+
+* **editor,dep:** collectIdle 使用常驻 Web Worker 做依赖收集 ([4bbda35](https://github.com/Tencent/tmagic-editor/commit/4bbda354a987b0a409a01184e8511822a0384a13))
 # [1.8.0-beta.19](https://github.com/Tencent/tmagic-editor/compare/v1.8.0-beta.18...v1.8.0-beta.19) (2026-07-28)
 
 
diff --git a/package.json b/package.json
index 1b961e78..2e63391a 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "tmagic",
   "private": true,
   "type": "module",
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 7e4b52c6..7b8b9663 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/cli",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
diff --git a/packages/core/package.json b/packages/core/package.json
index b10a8b4d..7cae3462 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/core",
   "type": "module",
   "sideEffects": false,
diff --git a/packages/data-source/package.json b/packages/data-source/package.json
index 145833cb..22d2a3f1 100644
--- a/packages/data-source/package.json
+++ b/packages/data-source/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/data-source",
   "type": "module",
   "sideEffects": false,
diff --git a/packages/dep/package.json b/packages/dep/package.json
index 861ba7d4..d447cc35 100644
--- a/packages/dep/package.json
+++ b/packages/dep/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/dep",
   "type": "module",
   "sideEffects": false,
diff --git a/packages/design/package.json b/packages/design/package.json
index 05b3e4f3..9bbead51 100644
--- a/packages/design/package.json
+++ b/packages/design/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/design",
   "type": "module",
   "sideEffects": [
diff --git a/packages/editor/package.json b/packages/editor/package.json
index a30dc300..29d52323 100644
--- a/packages/editor/package.json
+++ b/packages/editor/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/editor",
   "type": "module",
   "sideEffects": [
diff --git a/packages/element-plus-adapter/package.json b/packages/element-plus-adapter/package.json
index 0e86b6e7..af34201d 100644
--- a/packages/element-plus-adapter/package.json
+++ b/packages/element-plus-adapter/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/element-plus-adapter",
   "type": "module",
   "sideEffects": false,
diff --git a/packages/form-schema/package.json b/packages/form-schema/package.json
index f4fcf879..8bdbad25 100644
--- a/packages/form-schema/package.json
+++ b/packages/form-schema/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/form-schema",
   "type": "module",
   "sideEffects": false,
diff --git a/packages/form/package.json b/packages/form/package.json
index 1b43b1f2..8aef26a6 100644
--- a/packages/form/package.json
+++ b/packages/form/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/form",
   "type": "module",
   "sideEffects": [
diff --git a/packages/schema/package.json b/packages/schema/package.json
index bcb0ba5a..8eacb39b 100644
--- a/packages/schema/package.json
+++ b/packages/schema/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/schema",
   "type": "module",
   "sideEffects": false,
diff --git a/packages/stage/package.json b/packages/stage/package.json
index 4f29c494..7e0d1486 100644
--- a/packages/stage/package.json
+++ b/packages/stage/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/stage",
   "type": "module",
   "sideEffects": false,
diff --git a/packages/table/package.json b/packages/table/package.json
index 5a378433..3893d21a 100644
--- a/packages/table/package.json
+++ b/packages/table/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/table",
   "type": "module",
   "sideEffects": [
diff --git a/packages/tdesign-vue-next-adapter/package.json b/packages/tdesign-vue-next-adapter/package.json
index 219f2c19..d37bd6a1 100644
--- a/packages/tdesign-vue-next-adapter/package.json
+++ b/packages/tdesign-vue-next-adapter/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/tdesign-vue-next-adapter",
   "type": "module",
   "sideEffects": false,
diff --git a/packages/utils/package.json b/packages/utils/package.json
index 78e1eede..40f28be7 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "name": "@tmagic/utils",
   "type": "module",
   "sideEffects": false,
diff --git a/playground/package.json b/playground/package.json
index f0c288fe..a8b543ad 100644
--- a/playground/package.json
+++ b/playground/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tmagic-playground",
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "type": "module",
   "private": true,
   "scripts": {
@@ -12,11 +12,11 @@
   },
   "dependencies": {
     "@element-plus/icons-vue": "^2.3.2",
-    "@tmagic/core": "1.8.0-beta.19",
-    "@tmagic/design": "1.8.0-beta.19",
-    "@tmagic/editor": "1.8.0-beta.19",
-    "@tmagic/element-plus-adapter": "1.8.0-beta.19",
-    "@tmagic/tdesign-vue-next-adapter": "1.8.0-beta.19",
+    "@tmagic/core": "1.8.0-beta.20",
+    "@tmagic/design": "1.8.0-beta.20",
+    "@tmagic/editor": "1.8.0-beta.20",
+    "@tmagic/element-plus-adapter": "1.8.0-beta.20",
+    "@tmagic/tdesign-vue-next-adapter": "1.8.0-beta.20",
     "@tmagic/tmagic-form-runtime": "1.1.3",
     "element-plus": "^2.14.3",
     "lodash-es": "^4.17.21",
diff --git a/runtime/react/package.json b/runtime/react/package.json
index 1a20c0c5..3f22d0a5 100644
--- a/runtime/react/package.json
+++ b/runtime/react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "runtime-react",
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "type": "module",
   "private": true,
   "engines": {
@@ -16,16 +16,16 @@
     "build:playground": "node scripts/build.mjs --type=playground"
   },
   "dependencies": {
-    "@tmagic/core": "1.8.0-beta.19",
+    "@tmagic/core": "1.8.0-beta.20",
     "@tmagic/react-runtime-help": "0.2.2",
-    "@tmagic/stage": "1.8.0-beta.19",
+    "@tmagic/stage": "1.8.0-beta.20",
     "axios": "^1.13.2",
     "qrcode": "^1.5.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1"
   },
   "devDependencies": {
-    "@tmagic/cli": "1.8.0-beta.19",
+    "@tmagic/cli": "1.8.0-beta.20",
     "@types/fs-extra": "^11.0.4",
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",
diff --git a/runtime/vue/package.json b/runtime/vue/package.json
index 2a2db016..a3494d3d 100644
--- a/runtime/vue/package.json
+++ b/runtime/vue/package.json
@@ -1,6 +1,6 @@
 {
   "name": "runtime-vue",
-  "version": "1.8.0-beta.19",
+  "version": "1.8.0-beta.20",
   "type": "module",
   "private": true,
   "engines": {
@@ -16,14 +16,14 @@
     "build:playground": "node scripts/build.mjs --type=playground"
   },
   "dependencies": {
-    "@tmagic/core": "1.8.0-beta.19",
-    "@tmagic/stage": "1.8.0-beta.19",
+    "@tmagic/core": "1.8.0-beta.20",
+    "@tmagic/stage": "1.8.0-beta.20",
     "@tmagic/vue-runtime-help": "^2.0.4",
     "axios": "^1.13.2",
     "vue": "catalog:"
   },
   "devDependencies": {
-    "@tmagic/cli": "1.8.0-beta.19",
+    "@tmagic/cli": "1.8.0-beta.20",
     "@types/fs-extra": "^11.0.4",
     "@types/node": "^24.0.10",
     "@vitejs/plugin-legacy": "^8.0.1",