diff --git a/packages/parser/src/config/scriptConfig.ts b/packages/parser/src/config/scriptConfig.ts
index 4a5adf60d..1e1db77e9 100644
--- a/packages/parser/src/config/scriptConfig.ts
+++ b/packages/parser/src/config/scriptConfig.ts
@@ -38,6 +38,7 @@ export const SCRIPT_CONFIG = [
   { scriptString: 'getUserInput', scriptType: commandType.getUserInput },
   { scriptString: 'applyStyle', scriptType: commandType.applyStyle },
   { scriptString: 'wait', scriptType: commandType.wait },
+  { scriptString: 'callSteam', scriptType: commandType.callSteam },
 ];
 export const ADD_NEXT_ARG_LIST = [
   commandType.bgm,
@@ -53,6 +54,7 @@ export const ADD_NEXT_ARG_LIST = [
   commandType.playEffect,
   commandType.setTransition,
   commandType.applyStyle,
+  commandType.callSteam,
 ];
 
 export type ConfigMap = Map<string, ConfigItem>;
diff --git a/packages/parser/src/interface/sceneInterface.ts b/packages/parser/src/interface/sceneInterface.ts
index 8f30f34df..8a55387d6 100644
--- a/packages/parser/src/interface/sceneInterface.ts
+++ b/packages/parser/src/interface/sceneInterface.ts
@@ -39,6 +39,7 @@ export enum commandType {
   getUserInput,
   applyStyle,
   wait,
+  callSteam, // 调用Steam功能
 }
 
 /**
diff --git a/packages/webgal/src/Core/controller/scene/sceneInterface.ts b/packages/webgal/src/Core/controller/scene/sceneInterface.ts
index 801149d86..9964f2a02 100644
--- a/packages/webgal/src/Core/controller/scene/sceneInterface.ts
+++ b/packages/webgal/src/Core/controller/scene/sceneInterface.ts
@@ -39,6 +39,7 @@ export enum commandType {
   getUserInput,
   applyStyle,
   wait,
+  callSteam, // 调用Steam功能
 }
 
 /**
diff --git a/packages/webgal/src/Core/gameScripts/callSteam.ts b/packages/webgal/src/Core/gameScripts/callSteam.ts
new file mode 100644
index 000000000..f717f3a9b
--- /dev/null
+++ b/packages/webgal/src/Core/gameScripts/callSteam.ts
@@ -0,0 +1,39 @@
+import { ISentence } from '@/Core/controller/scene/sceneInterface';
+import { IPerform } from '@/Core/Modules/perform/performInterface';
+import { WebGAL } from '@/Core/WebGAL';
+import { logger } from '@/Core/util/logger';
+import { getStringArgByKey } from '@/Core/util/getSentenceArg';
+import { WEBGAL_NONE } from '../constants';
+
+/**
+ * Unlocks a Steam achievement via the renderer → Electron bridge.
+ * The script expects the first positional parameter to be the achievement id.
+ */
+export const callSteam = (sentence: ISentence): IPerform => {
+  for (const arg of sentence.args) {
+    if (arg.key === 'achievementId') {
+      const achievementId = getStringArgByKey(sentence, 'achievementId');
+      if (achievementId) {
+        WebGAL.steam
+          .unlockAchievement(achievementId)
+          .then((result) => {
+            logger.info(`callSteam: achievement ${achievementId} unlock ${result ? 'succeeded' : 'failed'}`);
+          })
+          .catch((error) => {
+            logger.error(`callSteam: achievement ${achievementId} unlock threw`, error);
+          });
+      }
+    }
+  }
+  const noperform: IPerform = {
+    performName: WEBGAL_NONE,
+    duration: 0,
+    isHoldOn: false,
+    stopFunction: () => {},
+    blockingNext: () => false,
+    blockingAuto: () => true,
+    stopTimeout: undefined,
+  };
+
+  return noperform;
+};
diff --git a/packages/webgal/src/Core/integration/steamIntegration.ts b/packages/webgal/src/Core/integration/steamIntegration.ts
new file mode 100644
index 000000000..609496db1
--- /dev/null
+++ b/packages/webgal/src/Core/integration/steamIntegration.ts
@@ -0,0 +1,76 @@
+import { logger } from '@/Core/util/logger';
+
+interface SteamBridge {
+  initialize: (appId: string) => boolean | Promise<boolean>;
+  unlockAchievement: (achievementId: string) => boolean | Promise<boolean>;
+}
+
+const isWindowAvailable = (): boolean => typeof window !== 'undefined';
+
+/**
+ * Provides a thin bridge between the renderer process and the Electron Steam integration.
+ */
+export class SteamIntegration {
+  public appId: string | null = null;
+  private initialized = false;
+
+  public get isInitialized(): boolean {
+    return this.initialized;
+  }
+
+  public async initialize(appId: string): Promise<boolean> {
+    this.appId = appId;
+    const bridge = this.getSteamBridge();
+    if (!bridge?.initialize) {
+      logger.warn('Steam integration initialize call skipped: Electron bridge not present');
+      this.initialized = false;
+      return false;
+    }
+
+    try {
+      const result = await Promise.resolve(bridge.initialize(appId));
+      if (result) {
+        logger.info(`Steam integration initialized with AppID ${appId}`);
+      }
+      this.initialized = result;
+      return result;
+    } catch (error) {
+      logger.error('Steam integration failed to initialize', error);
+      this.initialized = false;
+      return false;
+    }
+  }
+
+  public async unlockAchievement(achievementId: string): Promise<boolean> {
+    const bridge = this.getSteamBridge();
+    if (!bridge?.unlockAchievement) {
+      logger.warn(`Steam integration unlock call skipped for ${achievementId}: Electron bridge not present`);
+      return false;
+    }
+
+    if (!this.initialized) {
+      if (this.appId) {
+        await this.initialize(this.appId);
+      } else {
+        logger.warn('Steam integration unlock call skipped: AppID not set');
+        return false;
+      }
+    }
+
+    try {
+      const result = await Promise.resolve(bridge.unlockAchievement(achievementId));
+      return result;
+    } catch (error) {
+      logger.error(`Steam integration failed to unlock achievement ${achievementId}`, error);
+      return false;
+    }
+  }
+
+  private getSteamBridge(): SteamBridge | undefined {
+    if (!isWindowAvailable()) {
+      logger.debug('Steam integration unavailable: window is undefined');
+      return undefined;
+    }
+    return window.electronFuncs?.steam;
+  }
+}
diff --git a/packages/webgal/src/Core/parser/sceneParser.ts b/packages/webgal/src/Core/parser/sceneParser.ts
index dc3a92212..85b3ebea3 100644
--- a/packages/webgal/src/Core/parser/sceneParser.ts
+++ b/packages/webgal/src/Core/parser/sceneParser.ts
@@ -27,6 +27,7 @@ import { setTransform } from '@/Core/gameScripts/setTransform';
 import { setTransition } from '@/Core/gameScripts/setTransition';
 import { unlockBgm } from '@/Core/gameScripts/unlockBgm';
 import { unlockCg } from '@/Core/gameScripts/unlockCg';
+import { callSteam } from '@/Core/gameScripts/callSteam';
 import { end } from '../gameScripts/end';
 import { jumpLabel } from '../gameScripts/jumpLabel';
 import { pixiInit } from '../gameScripts/pixi/pixiInit';
@@ -72,6 +73,7 @@ export const SCRIPT_TAG_MAP = defineScripts({
   getUserInput: ScriptConfig(commandType.getUserInput, getUserInput),
   applyStyle: ScriptConfig(commandType.applyStyle, applyStyle, { next: true }),
   wait: ScriptConfig(commandType.wait, wait),
+  callSteam: ScriptConfig(commandType.callSteam, callSteam, { next: true }),
 });
 
 export const SCRIPT_CONFIG: IConfigInterface[] = Object.values(SCRIPT_TAG_MAP);
diff --git a/packages/webgal/src/Core/util/coreInitialFunction/infoFetcher.ts b/packages/webgal/src/Core/util/coreInitialFunction/infoFetcher.ts
index 3ee48216c..860f24411 100644
--- a/packages/webgal/src/Core/util/coreInitialFunction/infoFetcher.ts
+++ b/packages/webgal/src/Core/util/coreInitialFunction/infoFetcher.ts
@@ -58,6 +58,10 @@ export const infoFetcher = (url: string) => {
           if (command === 'Legacy_Expression_Blend_Mode') {
             Live2D.legacyExpressionBlendMode = res === true;
           }
+          if (command === 'Steam_AppID') {
+            const appId = String(res);
+            WebGAL.steam.initialize(appId);
+          }
         }
       }
     });
diff --git a/packages/webgal/src/Core/webgalCore.ts b/packages/webgal/src/Core/webgalCore.ts
index f1becd487..65ca6a7a7 100644
--- a/packages/webgal/src/Core/webgalCore.ts
+++ b/packages/webgal/src/Core/webgalCore.ts
@@ -4,6 +4,7 @@ import { SceneManager } from '@/Core/Modules/scene';
 import { AnimationManager } from '@/Core/Modules/animations';
 import { Gameplay } from './Modules/gamePlay';
 import { Events } from '@/Core/Modules/events';
+import { SteamIntegration } from '@/Core/integration/steamIntegration';
 
 export class WebgalCore {
   public sceneManager = new SceneManager();
@@ -13,4 +14,5 @@ export class WebgalCore {
   public gameName = '';
   public gameKey = '';
   public events = new Events();
+  public steam = new SteamIntegration();
 }
diff --git a/packages/webgal/src/types/electron.d.ts b/packages/webgal/src/types/electron.d.ts
new file mode 100644
index 000000000..b5f432a9a
--- /dev/null
+++ b/packages/webgal/src/types/electron.d.ts
@@ -0,0 +1,12 @@
+export {};
+
+declare global {
+  interface Window {
+    electronFuncs?: {
+      steam?: {
+        initialize: (appId: string) => boolean | Promise<boolean>;
+        unlockAchievement: (achievementId: string) => boolean | Promise<boolean>;
+      };
+    };
+  }
+}