diff --git a/.changeset/add-event-bubble-support.md b/.changeset/add-event-bubble-support.md
new file mode 100644
index 0000000000..0e9085a471
--- /dev/null
+++ b/.changeset/add-event-bubble-support.md
@@ -0,0 +1,5 @@
+---
+"@lynx-js/web-core": patch
+---
+
+feat(web-core): add `is_bubble` parameter to `common_event_handler` to properly handle non-bubbling events like `window.Event('click', { bubbles: false })`.
diff --git a/.changeset/fix-query-component-processevalresult.md b/.changeset/fix-query-component-processevalresult.md
new file mode 100644
index 0000000000..ab5bbbd0b4
--- /dev/null
+++ b/.changeset/fix-query-component-processevalresult.md
@@ -0,0 +1,5 @@
+---
+"@lynx-js/web-core": patch
+---
+
+fix(web-core): fallback to the original export chunk when `processEvalResult` is absent during `queryComponent` execution
diff --git a/packages/web-platform/web-core-e2e/resources/mock-component.json b/packages/web-platform/web-core-e2e/resources/mock-component.json
new file mode 100644
index 0000000000..00bea5ffad
--- /dev/null
+++ b/packages/web-platform/web-core-e2e/resources/mock-component.json
@@ -0,0 +1,9 @@
+{
+  "appType": "lazy",
+  "lepusCode": {
+    "root": "({ mockResult: 'MOCKED_EVAL_RESULT' })"
+  },
+  "pageConfig": {
+    "enableCSSSelector": true
+  }
+}
diff --git a/packages/web-platform/web-core-e2e/tests/web-core.test.ts b/packages/web-platform/web-core-e2e/tests/web-core.test.ts
index bc24f6046a..a7ccc40a66 100644
--- a/packages/web-platform/web-core-e2e/tests/web-core.test.ts
+++ b/packages/web-platform/web-core-e2e/tests/web-core.test.ts
@@ -172,6 +172,74 @@ test.describe('web core tests', () => {
     expect(fail).toBe(false);
   });
 
+  test('__QueryComponent without processEvalResult', async ({ page, browserName }) => {
+    // firefox dose not support this.
+    test.skip(browserName === 'firefox');
+    await goto(page);
+
+    await page.evaluate(() => {
+      delete (globalThis as any).runtime.processEvalResult;
+    });
+
+    const evalResult = await page.evaluate(async () => {
+      return new Promise((resolve) => {
+        globalThis.addEventListener('unhandledrejection', (e) => {
+          resolve({ error: e.reason?.message ?? String(e.reason) });
+        });
+        globalThis.runtime.__QueryComponent(
+          '/resources/mock-component.json',
+          (res: any) => {
+            resolve(res);
+          },
+        );
+      });
+    });
+
+    expect(evalResult).toMatchObject({
+      code: 0,
+    });
+    expect((evalResult as any).data.url).toBe('/resources/mock-component.json');
+    expect((evalResult as any).data.evalResult).toEqual({
+      mockResult: 'MOCKED_EVAL_RESULT',
+    });
+  });
+
+  test('__QueryComponent with processEvalResult', async ({ page, browserName }) => {
+    // firefox dose not support this.
+    test.skip(browserName === 'firefox');
+    await goto(page);
+
+    await page.evaluate(() => {
+      (globalThis as any).runtime.processEvalResult = (
+        exports: any,
+        url: string,
+      ) => {
+        return 'OVERRIDDEN_MOCKED_EVAL_RESULT';
+      };
+    });
+
+    const evalResult = await page.evaluate(async () => {
+      return new Promise((resolve) => {
+        globalThis.addEventListener('unhandledrejection', (e) => {
+          resolve({ error: e.reason?.message ?? String(e.reason) });
+        });
+        globalThis.runtime.__QueryComponent(
+          '/resources/mock-component.json',
+          (res: any) => {
+            resolve(res);
+          },
+        );
+      });
+    });
+
+    expect(evalResult).toMatchObject({
+      code: 0,
+    });
+    expect((evalResult as any).data.evalResult).toBe(
+      'OVERRIDDEN_MOCKED_EVAL_RESULT',
+    );
+  });
+
   test('api-enableJSDataProcessor disables processData', async ({ page, browserName }) => {
     test.skip(browserName === 'firefox');
     await goto(page, 'web-core.enable-js-data-processor.json');
diff --git a/packages/web-platform/web-core/binary/client/client.d.ts b/packages/web-platform/web-core/binary/client/client.d.ts
index 45ff3e8e57..525ea62e99 100644
--- a/packages/web-platform/web-core/binary/client/client.d.ts
+++ b/packages/web-platform/web-core/binary/client/client.d.ts
@@ -21,7 +21,7 @@ export class MainThreadWasmContext {
     add_cross_thread_event(unique_id: number, event_type: string, event_name: string, event_handler_identifier?: string | null): void;
     add_dataset(unique_id: number, key: any, value: any): void;
     add_run_worklet_event(unique_id: number, event_type: string, event_name: string, event_handler_identifier?: any | null): void;
-    common_event_handler(event: any, bubble_unique_id_path: Uint32Array, event_name: string): void;
+    common_event_handler(event: any, bubble_unique_id_path: Uint32Array, event_name: string, is_bubble: boolean): void;
     create_element_common(parent_component_unique_id: number, dom: HTMLElement, css_id?: number | null, component_id?: string | null): number;
     dispatch_event_by_path(bubble_unique_id_path: Uint32Array, event_name: string, is_capture: boolean, serialized_event: any): boolean;
     get_component_id(unique_id: number): string | undefined;
@@ -199,7 +199,7 @@ export interface InitOutput {
     readonly mainthreadwasmcontext_add_cross_thread_event: (a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number) => void;
     readonly mainthreadwasmcontext_add_dataset: (a: number, b: number, c: any, d: any) => [number, number];
     readonly mainthreadwasmcontext_add_run_worklet_event: (a: number, b: number, c: number, d: number, e: number, f: number, g: number) => void;
-    readonly mainthreadwasmcontext_common_event_handler: (a: number, b: any, c: number, d: number, e: number, f: number) => void;
+    readonly mainthreadwasmcontext_common_event_handler: (a: number, b: any, c: number, d: number, e: number, f: number, g: number) => void;
     readonly mainthreadwasmcontext_create_element_common: (a: number, b: number, c: any, d: number, e: number, f: number) => number;
     readonly mainthreadwasmcontext_dispatch_event_by_path: (a: number, b: number, c: number, d: number, e: number, f: number, g: any) => number;
     readonly mainthreadwasmcontext_get_component_id: (a: number, b: number) => [number, number, number, number];
diff --git a/packages/web-platform/web-core/binary/client/client_bg.wasm.d.ts b/packages/web-platform/web-core/binary/client/client_bg.wasm.d.ts
index b4a232f8d5..28ee68a718 100644
--- a/packages/web-platform/web-core/binary/client/client_bg.wasm.d.ts
+++ b/packages/web-platform/web-core/binary/client/client_bg.wasm.d.ts
@@ -22,7 +22,7 @@ export const get_style_content: (a: any) => [number, number, number, number];
 export const mainthreadwasmcontext_add_cross_thread_event: (a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number) => void;
 export const mainthreadwasmcontext_add_dataset: (a: number, b: number, c: any, d: any) => [number, number];
 export const mainthreadwasmcontext_add_run_worklet_event: (a: number, b: number, c: number, d: number, e: number, f: number, g: number) => void;
-export const mainthreadwasmcontext_common_event_handler: (a: number, b: any, c: number, d: number, e: number, f: number) => void;
+export const mainthreadwasmcontext_common_event_handler: (a: number, b: any, c: number, d: number, e: number, f: number, g: number) => void;
 export const mainthreadwasmcontext_create_element_common: (a: number, b: number, c: any, d: number, e: number, f: number) => number;
 export const mainthreadwasmcontext_dispatch_event_by_path: (a: number, b: number, c: number, d: number, e: number, f: number, g: any) => number;
 export const mainthreadwasmcontext_get_component_id: (a: number, b: number) => [number, number, number, number];
diff --git a/packages/web-platform/web-core/binary/client_legacy/client.d.ts b/packages/web-platform/web-core/binary/client_legacy/client.d.ts
index 74b4e3e92a..cb4310ddf3 100644
--- a/packages/web-platform/web-core/binary/client_legacy/client.d.ts
+++ b/packages/web-platform/web-core/binary/client_legacy/client.d.ts
@@ -21,7 +21,7 @@ export class MainThreadWasmContext {
     add_cross_thread_event(unique_id: number, event_type: string, event_name: string, event_handler_identifier?: string | null): void;
     add_dataset(unique_id: number, key: any, value: any): void;
     add_run_worklet_event(unique_id: number, event_type: string, event_name: string, event_handler_identifier?: any | null): void;
-    common_event_handler(event: any, bubble_unique_id_path: Uint32Array, event_name: string): void;
+    common_event_handler(event: any, bubble_unique_id_path: Uint32Array, event_name: string, is_bubble: boolean): void;
     create_element_common(parent_component_unique_id: number, dom: HTMLElement, css_id?: number | null, component_id?: string | null): number;
     dispatch_event_by_path(bubble_unique_id_path: Uint32Array, event_name: string, is_capture: boolean, serialized_event: any): boolean;
     get_component_id(unique_id: number): string | undefined;
@@ -199,7 +199,7 @@ export interface InitOutput {
     readonly mainthreadwasmcontext_add_cross_thread_event: (a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number) => void;
     readonly mainthreadwasmcontext_add_dataset: (a: number, b: number, c: number, d: number, e: number) => void;
     readonly mainthreadwasmcontext_add_run_worklet_event: (a: number, b: number, c: number, d: number, e: number, f: number, g: number) => void;
-    readonly mainthreadwasmcontext_common_event_handler: (a: number, b: number, c: number, d: number, e: number, f: number) => void;
+    readonly mainthreadwasmcontext_common_event_handler: (a: number, b: number, c: number, d: number, e: number, f: number, g: number) => void;
     readonly mainthreadwasmcontext_create_element_common: (a: number, b: number, c: number, d: number, e: number, f: number) => number;
     readonly mainthreadwasmcontext_dispatch_event_by_path: (a: number, b: number, c: number, d: number, e: number, f: number, g: number) => number;
     readonly mainthreadwasmcontext_get_component_id: (a: number, b: number, c: number) => void;
diff --git a/packages/web-platform/web-core/binary/client_legacy/client_bg.wasm.d.ts b/packages/web-platform/web-core/binary/client_legacy/client_bg.wasm.d.ts
index acca35352c..75ae3b0b4a 100644
--- a/packages/web-platform/web-core/binary/client_legacy/client_bg.wasm.d.ts
+++ b/packages/web-platform/web-core/binary/client_legacy/client_bg.wasm.d.ts
@@ -22,7 +22,7 @@ export const get_style_content: (a: number, b: number) => void;
 export const mainthreadwasmcontext_add_cross_thread_event: (a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number) => void;
 export const mainthreadwasmcontext_add_dataset: (a: number, b: number, c: number, d: number, e: number) => void;
 export const mainthreadwasmcontext_add_run_worklet_event: (a: number, b: number, c: number, d: number, e: number, f: number, g: number) => void;
-export const mainthreadwasmcontext_common_event_handler: (a: number, b: number, c: number, d: number, e: number, f: number) => void;
+export const mainthreadwasmcontext_common_event_handler: (a: number, b: number, c: number, d: number, e: number, f: number, g: number) => void;
 export const mainthreadwasmcontext_create_element_common: (a: number, b: number, c: number, d: number, e: number, f: number) => number;
 export const mainthreadwasmcontext_dispatch_event_by_path: (a: number, b: number, c: number, d: number, e: number, f: number, g: number) => number;
 export const mainthreadwasmcontext_get_component_id: (a: number, b: number, c: number) => void;
diff --git a/packages/web-platform/web-core/src/main_thread/client/element_apis/event_apis.rs b/packages/web-platform/web-core/src/main_thread/client/element_apis/event_apis.rs
index 3064fabd9b..0630ffe44e 100644
--- a/packages/web-platform/web-core/src/main_thread/client/element_apis/event_apis.rs
+++ b/packages/web-platform/web-core/src/main_thread/client/element_apis/event_apis.rs
@@ -279,10 +279,15 @@ impl MainThreadWasmContext {
     event: JsValue,
     bubble_unique_id_path: Vec<usize>,
     event_name: &str,
+    is_bubble: bool,
   ) {
     let caught = self.dispatch_event_by_path(&bubble_unique_id_path, event_name, true, &event);
     if !caught {
-      self.dispatch_event_by_path(&bubble_unique_id_path, event_name, false, &event);
+      if is_bubble {
+        self.dispatch_event_by_path(&bubble_unique_id_path, event_name, false, &event);
+      } else if let Some(target_id) = bubble_unique_id_path.first() {
+        self.dispatch_event_by_path(&[*target_id], event_name, false, &event);
+      }
     }
   }
 }
diff --git a/packages/web-platform/web-core/tests/element-apis.spec.ts b/packages/web-platform/web-core/tests/element-apis.spec.ts
index c9c2cfb4f1..844204d601 100644
--- a/packages/web-platform/web-core/tests/element-apis.spec.ts
+++ b/packages/web-platform/web-core/tests/element-apis.spec.ts
@@ -1264,6 +1264,44 @@ describe('Element APIs', () => {
     );
   });
 
+  test('event with bubbles: false should not bubble to parent', () => {
+    vi.spyOn(mtsBinding, 'addEventListener');
+    vi.spyOn(mtsBinding, 'publishEvent');
+    let page = mtsGlobalThis.__CreatePage('0', 0);
+    let parent = mtsGlobalThis.__CreateComponent(
+      0,
+      'id1',
+      0,
+      'test_entry',
+      'name',
+      'path',
+      {},
+      {},
+    );
+    let parentUid = mtsGlobalThis.__GetElementUniqueID(parent);
+    let child = mtsGlobalThis.__CreateView(parentUid);
+    mtsGlobalThis.__AppendElement(page, parent);
+    mtsGlobalThis.__AppendElement(parent, child);
+    mtsGlobalThis.__SetID(parent, 'parent_id');
+    mtsGlobalThis.__SetID(child, 'child_id');
+    mtsGlobalThis.__AddEvent(parent, 'bindEvent', 'tap', 'parent_hname');
+    mtsGlobalThis.__AddEvent(child, 'bindEvent', 'tap', 'child_hname');
+    mtsGlobalThis.__FlushElementTree();
+    const event = new window.Event('click', { bubbles: false });
+    rootDom.querySelector('#child_id')?.dispatchEvent(event);
+    expect(mtsBinding.addEventListener).toBeCalledWith('tap');
+    expect(mtsBinding.publishEvent).toBeCalledTimes(1);
+    expect(mtsBinding.publishEvent).toBeCalledWith(
+      'child_hname',
+      'id1',
+      expect.any(Object),
+      expect.any(Number),
+      undefined,
+      expect.any(Number),
+      undefined,
+    );
+  });
+
   test('__UpdateComponentInfo', () => {
     let ele = mtsGlobalThis.__CreateComponent(
       0,
diff --git a/packages/web-platform/web-core/ts/client/mainthread/LynxViewInstance.ts b/packages/web-platform/web-core/ts/client/mainthread/LynxViewInstance.ts
index 18eb56975c..fe18f9b244 100644
--- a/packages/web-platform/web-core/ts/client/mainthread/LynxViewInstance.ts
+++ b/packages/web-platform/web-core/ts/client/mainthread/LynxViewInstance.ts
@@ -249,7 +249,7 @@ export class LynxViewInstance implements AsyncDisposable {
         lepusRootChunkExport = this.mainThreadGlobalThis.processEvalResult?.(
           lepusRootChunkExport,
           url,
-        );
+        ) ?? lepusRootChunkExport;
         return lepusRootChunkExport;
       });
     this.#queryComponentCache.set(url, promise);
diff --git a/packages/web-platform/web-core/ts/client/mainthread/elementAPIs/WASMJSBinding.ts b/packages/web-platform/web-core/ts/client/mainthread/elementAPIs/WASMJSBinding.ts
index b246882e55..539b67d46e 100644
--- a/packages/web-platform/web-core/ts/client/mainthread/elementAPIs/WASMJSBinding.ts
+++ b/packages/web-platform/web-core/ts/client/mainthread/elementAPIs/WASMJSBinding.ts
@@ -174,6 +174,7 @@ export class WASMJSBinding implements RustMainthreadContextBinding {
       eventObject,
       bubblePath.slice(0, bubblePathLength),
       eventObject.type,
+      event.bubbles,
     );
   };