diff --git a/crates/mako/test/build/side-effects-flag/mako.config.json b/crates/mako/test/build/side-effects-flag/mako.config.json
index e5d67ed74..a7c7fa1de 100644
--- a/crates/mako/test/build/side-effects-flag/mako.config.json
+++ b/crates/mako/test/build/side-effects-flag/mako.config.json
@@ -1,5 +1,5 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false
+  "hmr": null
 }
diff --git a/crates/mako/test/config/define/mako.config.json b/crates/mako/test/config/define/mako.config.json
index b3dc87a40..e43675799 100644
--- a/crates/mako/test/config/define/mako.config.json
+++ b/crates/mako/test/config/define/mako.config.json
@@ -14,5 +14,5 @@
     "MEMBER_NAMES": [{ "name": "\"sorrycc\"" }, { "name": "\"xiaohuoni\"" }],
     "EXIT": true
   },
-  "hmr": false
+  "hmr": null
 }
diff --git a/crates/mako/test/config/normal/mako.config.json b/crates/mako/test/config/normal/mako.config.json
index e684cdc09..5ef80828d 100644
--- a/crates/mako/test/config/normal/mako.config.json
+++ b/crates/mako/test/config/normal/mako.config.json
@@ -1,4 +1,4 @@
 {
   "platform": "node",
-  "hmr": false
+  "hmr": null
 }
diff --git a/e2e/fixtures/config.manifest.config/mako.config.json b/e2e/fixtures/config.manifest.config/mako.config.json
index c4d219457..fbcd18806 100644
--- a/e2e/fixtures/config.manifest.config/mako.config.json
+++ b/e2e/fixtures/config.manifest.config/mako.config.json
@@ -1,5 +1,5 @@
 {
-  "manifest": true,
+  "manifest": {},
   "manifestConfig": {
     "fileName": "manifest.json",
     "basePath": "aaa"
diff --git a/e2e/fixtures/tree-shaking-esm-mix-cjs_COULD_BE_IMPROVED/mako.config.json b/e2e/fixtures/tree-shaking-esm-mix-cjs_COULD_BE_IMPROVED/mako.config.json
index a553c1a78..19ed06124 100644
--- a/e2e/fixtures/tree-shaking-esm-mix-cjs_COULD_BE_IMPROVED/mako.config.json
+++ b/e2e/fixtures/tree-shaking-esm-mix-cjs_COULD_BE_IMPROVED/mako.config.json
@@ -1,6 +1,6 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false,
+  "hmr": null,
   "treeShake": "basic"
 }
diff --git a/e2e/fixtures/tree-shaking-esm-mix-non-sideeffects-cjs/mako.config.json b/e2e/fixtures/tree-shaking-esm-mix-non-sideeffects-cjs/mako.config.json
index a553c1a78..19ed06124 100644
--- a/e2e/fixtures/tree-shaking-esm-mix-non-sideeffects-cjs/mako.config.json
+++ b/e2e/fixtures/tree-shaking-esm-mix-non-sideeffects-cjs/mako.config.json
@@ -1,6 +1,6 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false,
+  "hmr": null,
   "treeShake": "basic"
 }
diff --git a/e2e/fixtures/tree-shaking-esm-mix-sideeffects-cjs-2/mako.config.json b/e2e/fixtures/tree-shaking-esm-mix-sideeffects-cjs-2/mako.config.json
index a553c1a78..19ed06124 100644
--- a/e2e/fixtures/tree-shaking-esm-mix-sideeffects-cjs-2/mako.config.json
+++ b/e2e/fixtures/tree-shaking-esm-mix-sideeffects-cjs-2/mako.config.json
@@ -1,6 +1,6 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false,
+  "hmr": null,
   "treeShake": "basic"
 }
diff --git a/e2e/fixtures/tree-shaking-export-all/mako.config.json b/e2e/fixtures/tree-shaking-export-all/mako.config.json
index a553c1a78..19ed06124 100644
--- a/e2e/fixtures/tree-shaking-export-all/mako.config.json
+++ b/e2e/fixtures/tree-shaking-export-all/mako.config.json
@@ -1,6 +1,6 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false,
+  "hmr": null,
   "treeShake": "basic"
 }
diff --git a/e2e/fixtures/tree-shaking/mako.config.json b/e2e/fixtures/tree-shaking/mako.config.json
index a553c1a78..19ed06124 100644
--- a/e2e/fixtures/tree-shaking/mako.config.json
+++ b/e2e/fixtures/tree-shaking/mako.config.json
@@ -1,6 +1,6 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false,
+  "hmr": null,
   "treeShake": "basic"
 }
diff --git a/e2e/fixtures/tree-shaking_class/mako.config.json b/e2e/fixtures/tree-shaking_class/mako.config.json
index e4ce9b552..fda0c0e4a 100644
--- a/e2e/fixtures/tree-shaking_class/mako.config.json
+++ b/e2e/fixtures/tree-shaking_class/mako.config.json
@@ -1,4 +1,4 @@
 {
   "minify": false,
-  "hmr": false
+  "hmr": null
 }
diff --git a/e2e/fixtures/tree-shaking_dynamic-import_WHY_ADD_THIS/mako.config.json b/e2e/fixtures/tree-shaking_dynamic-import_WHY_ADD_THIS/mako.config.json
index e5d67ed74..a7c7fa1de 100644
--- a/e2e/fixtures/tree-shaking_dynamic-import_WHY_ADD_THIS/mako.config.json
+++ b/e2e/fixtures/tree-shaking_dynamic-import_WHY_ADD_THIS/mako.config.json
@@ -1,5 +1,5 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false
+  "hmr": null
 }
diff --git a/e2e/fixtures/tree-shaking_export_default/mako.config.json b/e2e/fixtures/tree-shaking_export_default/mako.config.json
index c2b789458..c0d58a23f 100644
--- a/e2e/fixtures/tree-shaking_export_default/mako.config.json
+++ b/e2e/fixtures/tree-shaking_export_default/mako.config.json
@@ -1,7 +1,7 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false,
+  "hmr": null,
   "optimizePackageImports": false,
   "optimization": {
     "skipModules": false
diff --git a/e2e/fixtures/tree-shaking_export_namespace.failed/mako.config.json b/e2e/fixtures/tree-shaking_export_namespace.failed/mako.config.json
index e5d67ed74..a7c7fa1de 100644
--- a/e2e/fixtures/tree-shaking_export_namespace.failed/mako.config.json
+++ b/e2e/fixtures/tree-shaking_export_namespace.failed/mako.config.json
@@ -1,5 +1,5 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false
+  "hmr": null
 }
diff --git a/e2e/fixtures/tree-shaking_exported/mako.config.json b/e2e/fixtures/tree-shaking_exported/mako.config.json
index a553c1a78..19ed06124 100644
--- a/e2e/fixtures/tree-shaking_exported/mako.config.json
+++ b/e2e/fixtures/tree-shaking_exported/mako.config.json
@@ -1,6 +1,6 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false,
+  "hmr": null,
   "treeShake": "basic"
 }
diff --git a/e2e/fixtures/tree-shaking_fn/mako.config.json b/e2e/fixtures/tree-shaking_fn/mako.config.json
index e5d67ed74..a7c7fa1de 100644
--- a/e2e/fixtures/tree-shaking_fn/mako.config.json
+++ b/e2e/fixtures/tree-shaking_fn/mako.config.json
@@ -1,5 +1,5 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false
+  "hmr": null
 }
diff --git a/e2e/fixtures/tree-shaking_import_multi.failed.todo/mako.config.json b/e2e/fixtures/tree-shaking_import_multi.failed.todo/mako.config.json
index a553c1a78..19ed06124 100644
--- a/e2e/fixtures/tree-shaking_import_multi.failed.todo/mako.config.json
+++ b/e2e/fixtures/tree-shaking_import_multi.failed.todo/mako.config.json
@@ -1,6 +1,6 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false,
+  "hmr": null,
   "treeShake": "basic"
 }
diff --git a/e2e/fixtures/tree-shaking_import_self/mako.config.json b/e2e/fixtures/tree-shaking_import_self/mako.config.json
index c51556c5d..d4c4e1a31 100644
--- a/e2e/fixtures/tree-shaking_import_self/mako.config.json
+++ b/e2e/fixtures/tree-shaking_import_self/mako.config.json
@@ -1,6 +1,6 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false,
+  "hmr": null,
   "codeSplitting": "none"
 }
diff --git a/e2e/fixtures/tree-shaking_issues_271/mako.config.json b/e2e/fixtures/tree-shaking_issues_271/mako.config.json
index e0d8a3d5a..6071166e8 100644
--- a/e2e/fixtures/tree-shaking_issues_271/mako.config.json
+++ b/e2e/fixtures/tree-shaking_issues_271/mako.config.json
@@ -1,5 +1,5 @@
 {
   "mode": "production",
-  "hmr": false,
+  "hmr": null,
   "minify":false
 }
diff --git a/e2e/fixtures/tree-shaking_jsx_WHY_ADD_THIS/mako.config.json b/e2e/fixtures/tree-shaking_jsx_WHY_ADD_THIS/mako.config.json
index 5442c91d4..ffc8e3d30 100644
--- a/e2e/fixtures/tree-shaking_jsx_WHY_ADD_THIS/mako.config.json
+++ b/e2e/fixtures/tree-shaking_jsx_WHY_ADD_THIS/mako.config.json
@@ -1,4 +1,4 @@
 {
   "mode": "production",
-  "hmr": false
+  "hmr": null
 }
diff --git a/e2e/fixtures/tree-shaking_named_export/mako.config.json b/e2e/fixtures/tree-shaking_named_export/mako.config.json
index e5d67ed74..a7c7fa1de 100644
--- a/e2e/fixtures/tree-shaking_named_export/mako.config.json
+++ b/e2e/fixtures/tree-shaking_named_export/mako.config.json
@@ -1,5 +1,5 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false
+  "hmr": null
 }
diff --git a/e2e/fixtures/tree-shaking_named_reexport/mako.config.json b/e2e/fixtures/tree-shaking_named_reexport/mako.config.json
index e5d67ed74..a7c7fa1de 100644
--- a/e2e/fixtures/tree-shaking_named_reexport/mako.config.json
+++ b/e2e/fixtures/tree-shaking_named_reexport/mako.config.json
@@ -1,5 +1,5 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false
+  "hmr": null
 }
diff --git a/e2e/fixtures/tree-shaking_reexport/mako.config.json b/e2e/fixtures/tree-shaking_reexport/mako.config.json
index e5d67ed74..a7c7fa1de 100644
--- a/e2e/fixtures/tree-shaking_reexport/mako.config.json
+++ b/e2e/fixtures/tree-shaking_reexport/mako.config.json
@@ -1,5 +1,5 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false
+  "hmr": null
 }
diff --git a/e2e/fixtures/tree-shaking_require_esm/mako.config.json b/e2e/fixtures/tree-shaking_require_esm/mako.config.json
index a553c1a78..19ed06124 100644
--- a/e2e/fixtures/tree-shaking_require_esm/mako.config.json
+++ b/e2e/fixtures/tree-shaking_require_esm/mako.config.json
@@ -1,6 +1,6 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false,
+  "hmr": null,
   "treeShake": "basic"
 }
diff --git a/e2e/fixtures/tree-shaking_require_self/mako.config.json b/e2e/fixtures/tree-shaking_require_self/mako.config.json
index e4ce9b552..fda0c0e4a 100644
--- a/e2e/fixtures/tree-shaking_require_self/mako.config.json
+++ b/e2e/fixtures/tree-shaking_require_self/mako.config.json
@@ -1,4 +1,4 @@
 {
   "minify": false,
-  "hmr": false
+  "hmr": null
 }
diff --git a/e2e/fixtures/tree-shaking_side_effect/mako.config.json b/e2e/fixtures/tree-shaking_side_effect/mako.config.json
index e5d67ed74..a7c7fa1de 100644
--- a/e2e/fixtures/tree-shaking_side_effect/mako.config.json
+++ b/e2e/fixtures/tree-shaking_side_effect/mako.config.json
@@ -1,5 +1,5 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false
+  "hmr": null
 }
diff --git a/e2e/fixtures/tree-shaking_style.failed/mako.config.json b/e2e/fixtures/tree-shaking_style.failed/mako.config.json
index e5d67ed74..a7c7fa1de 100644
--- a/e2e/fixtures/tree-shaking_style.failed/mako.config.json
+++ b/e2e/fixtures/tree-shaking_style.failed/mako.config.json
@@ -1,5 +1,5 @@
 {
   "mode": "production",
   "minify": false,
-  "hmr": false
+  "hmr": null
 }
diff --git a/examples/import-resources/mako.config.json b/examples/import-resources/mako.config.json
index 37d48581a..8c9bc381e 100644
--- a/examples/import-resources/mako.config.json
+++ b/examples/import-resources/mako.config.json
@@ -2,7 +2,7 @@
   "inlineLimit": 0,
   "stats": true,
   "mdx": true,
-  "manifest": true,
+  "manifest": {},
   "manifestConfig": {
     "fileName": "manifest.json",
     "basePath": "aaa"
diff --git a/examples/tree-shaking/mako.config.json b/examples/tree-shaking/mako.config.json
index b320d7305..ad75f89ed 100644
--- a/examples/tree-shaking/mako.config.json
+++ b/examples/tree-shaking/mako.config.json
@@ -5,7 +5,7 @@
     "index": "./index.js"
   },
   "minify": false,
-  "hmr": false,
+  "hmr": null,
   "codeSplitting": "none",
   "define": {
     "NODE_ENV": "'production'"