diff --git a/multimodal/gui-agent/operator-adb/src/AdbOperator.ts b/multimodal/gui-agent/operator-adb/src/AdbOperator.ts
index b287c4cb73..4adec22710 100644
--- a/multimodal/gui-agent/operator-adb/src/AdbOperator.ts
+++ b/multimodal/gui-agent/operator-adb/src/AdbOperator.ts
@@ -110,7 +110,7 @@ export class AdbOperator extends Operator {
           throw new Error('point is required when click');
         }
         const { realX, realY } = await this.calculateRealCoords(point);
-        this.handleSwipe({ x: realX, y: realY }, { x: realX, y: realY }, 1500);
+        await this.handleSwipe({ x: realX, y: realY }, { x: realX, y: realY }, 1500);
         break;
       }
       case 'swipe':
@@ -124,7 +124,7 @@ export class AdbOperator extends Operator {
         }
         const { realX: startX, realY: startY } = await this.calculateRealCoords(startPoint);
         const { realX: endX, realY: endY } = await this.calculateRealCoords(endPoint);
-        this.handleSwipe({ x: startX, y: startY }, { x: endX, y: endY }, 300);
+        await this.handleSwipe({ x: startX, y: startY }, { x: endX, y: endY }, 300);
         break;
       }
       case 'scroll': {
@@ -132,12 +132,12 @@ export class AdbOperator extends Operator {
         if (!direction) {
           throw new Error(`Direction required when scroll`);
         }
-        this.handleScroll(direction, point);
+        await this.handleScroll(direction, point);
         break;
       }
       case 'type': {
         const { content } = actionInputs;
-        this.handleType(content);
+        await this.handleType(content);
         break;
       }
       case 'hotkey': {
@@ -332,7 +332,7 @@ export class AdbOperator extends Operator {
     if (!keyCode) {
       throw new Error(`Unsupported key: ${keyStr}`);
     }
-    this._adb!.keyevent(keyCode);
+    await this._adb!.keyevent(keyCode);
   }
 
   private async handleSwipe(
@@ -370,7 +370,7 @@ export class AdbOperator extends Operator {
       default:
         throw new Error(`Unsupported scroll direction: ${direction}`);
     }
-    this.handleSwipe({ x: startX, y: startY }, { x: endX, y: endY }, 300);
+    await this.handleSwipe({ x: startX, y: startY }, { x: endX, y: endY }, 300);
   }
 
   /**
diff --git a/multimodal/gui-agent/operator-adb/test/AdbOperator.test.ts b/multimodal/gui-agent/operator-adb/test/AdbOperator.test.ts
new file mode 100644
index 0000000000..e492e6c0f4
--- /dev/null
+++ b/multimodal/gui-agent/operator-adb/test/AdbOperator.test.ts
@@ -0,0 +1,162 @@
+/*
+ * Copyright (c) 2025 Bytedance, Inc. and its affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type { ConsoleLogger } from '@agent-infra/logger';
+import type { BaseAction } from '@gui-agent/shared/types';
+import { afterEach, describe, expect, it, vi } from 'vitest';
+import { AdbOperator } from '../src/AdbOperator';
+
+type AdbMethod = 'shell' | 'inputText' | 'keyevent';
+
+type Deferred = {
+  promise: Promise<void>;
+  resolve: () => void;
+  reject: (error: Error) => void;
+};
+
+function createDeferred(): Deferred {
+  let resolve!: () => void;
+  let reject!: (error: Error) => void;
+  const promise = new Promise<void>((resolvePromise, rejectPromise) => {
+    resolve = resolvePromise;
+    reject = rejectPromise;
+  });
+  return { promise, resolve, reject };
+}
+
+function createLogger(): ConsoleLogger {
+  const logger = {
+    debug: vi.fn(),
+    info: vi.fn(),
+    warn: vi.fn(),
+    error: vi.fn(),
+  };
+  return {
+    ...logger,
+    spawn: vi.fn(() => logger),
+  } as unknown as ConsoleLogger;
+}
+
+function createOperator(deferred: Deferred, method: AdbMethod) {
+  const operator = new AdbOperator(createLogger());
+  const adb = {
+    shell: vi.fn().mockResolvedValue(undefined),
+    inputText: vi.fn().mockResolvedValue(undefined),
+    keyevent: vi.fn().mockResolvedValue(undefined),
+  };
+  adb[method].mockReturnValueOnce(deferred.promise);
+
+  Reflect.set(operator, '_adb', adb);
+  vi.spyOn(operator, 'doInitialize').mockResolvedValue(undefined);
+  vi.spyOn(operator, 'getScreenContext').mockResolvedValue({
+    screenWidth: 1080,
+    screenHeight: 1920,
+    scaleX: 1,
+    scaleY: 1,
+  });
+
+  return { operator, adb };
+}
+
+const point = (x: number, y: number) => ({ raw: { x, y } });
+
+const cases: Array<{
+  name: string;
+  action: BaseAction;
+  method: AdbMethod;
+}> = [
+  {
+    name: 'long_press',
+    action: { type: 'long_press', inputs: { point: point(100, 200) } },
+    method: 'shell',
+  },
+  {
+    name: 'swipe',
+    action: {
+      type: 'swipe',
+      inputs: { start: point(100, 200), end: point(300, 400), direction: 'down' },
+    },
+    method: 'shell',
+  },
+  {
+    name: 'drag',
+    action: {
+      type: 'drag',
+      inputs: { start: point(100, 200), end: point(300, 400) },
+    },
+    method: 'shell',
+  },
+  {
+    name: 'scroll',
+    action: { type: 'scroll', inputs: { direction: 'down' } },
+    method: 'shell',
+  },
+  {
+    name: 'type',
+    action: { type: 'type', inputs: { content: 'hello' } },
+    method: 'inputText',
+  },
+  {
+    name: 'hotkey',
+    action: { type: 'hotkey', inputs: { key: 'home' } },
+    method: 'keyevent',
+  },
+];
+
+afterEach(() => {
+  vi.restoreAllMocks();
+});
+
+describe.each(cases)('$name action', ({ action, method }) => {
+  it('waits for the ADB command and reports its failure', async () => {
+    vi.spyOn(console, 'error').mockImplementation(() => undefined);
+    const deferred = createDeferred();
+    const { operator, adb } = createOperator(deferred, method);
+    const execution = operator.doExecute({ actions: [action] });
+
+    await vi.waitFor(() => {
+      expect(adb[method]).toHaveBeenCalledOnce();
+    });
+
+    try {
+      const state = await Promise.race([
+        execution.then(() => 'settled'),
+        new Promise<'pending'>((resolve) => setTimeout(() => resolve('pending'), 0)),
+      ]);
+      expect(state).toBe('pending');
+
+      deferred.reject(new Error('adb failed'));
+      await expect(execution).resolves.toEqual({
+        status: 'failed',
+        errorMessage: 'adb failed',
+      });
+    } finally {
+      deferred.resolve();
+    }
+  });
+});
+
+describe('multi-action ordering', () => {
+  it('does not start the next action until the current ADB command finishes', async () => {
+    const deferred = createDeferred();
+    const { operator, adb } = createOperator(deferred, 'inputText');
+    const execution = operator.doExecute({
+      actions: [
+        { type: 'type', inputs: { content: 'hello' } },
+        { type: 'hotkey', inputs: { key: 'home' } },
+      ],
+    });
+
+    await vi.waitFor(() => {
+      expect(adb.inputText).toHaveBeenCalledOnce();
+    });
+    expect(adb.keyevent).not.toHaveBeenCalled();
+
+    deferred.resolve();
+
+    await expect(execution).resolves.toEqual({ status: 'success' });
+    expect(adb.keyevent).toHaveBeenCalledOnce();
+  });
+});