diff --git a/backend/mpc-system/services/service-party-app/electron/modules/database.ts b/backend/mpc-system/services/service-party-app/electron/modules/database.ts
index 3af9add5..e2a1d996 100644
--- a/backend/mpc-system/services/service-party-app/electron/modules/database.ts
+++ b/backend/mpc-system/services/service-party-app/electron/modules/database.ts
@@ -11,15 +11,15 @@ import { v4 as uuidv4 } from 'uuid';
 // =============================================================================
 function getSqlJsWasmPath(): string {
   // 在开发环境中，WASM 文件在 node_modules 中
-  // 在生产环境中，WASM 文件被解压到 app.asar.unpacked 目录
+  // 在生产环境中，WASM 文件被复制到 extraResources 目录
   const isDev = !app.isPackaged;
 
   if (isDev) {
     // 开发环境: 使用 node_modules 中的文件
     return path.join(__dirname, '../../node_modules/sql.js/dist/sql-wasm.wasm');
   } else {
-    // 生产环境: 使用 asar.unpacked 中的文件
-    return path.join(process.resourcesPath, 'app.asar.unpacked/node_modules/sql.js/dist/sql-wasm.wasm');
+    // 生产环境: 使用 extraResources 中的文件
+    return path.join(process.resourcesPath, 'sql-wasm.wasm');
   }
 }
 
@@ -108,17 +108,28 @@ export class DatabaseManager {
   private async initialize(): Promise<void> {
     // 获取 WASM 文件路径
     const wasmPath = getSqlJsWasmPath();
+    console.log('[Database] App packaged:', app.isPackaged);
+    console.log('[Database] Resources path:', process.resourcesPath);
     console.log('[Database] WASM path:', wasmPath);
     console.log('[Database] WASM exists:', fs.existsSync(wasmPath));
 
     // 初始化 sql.js (加载 WASM)
-    // 如果 WASM 文件不存在，让 sql.js 自己处理（会尝试从 CDN 加载或使用内置版本）
-    const config: { locateFile?: (file: string) => string } = {};
+    // 使用 wasmBinary 直接加载 WASM 文件，这在打包环境中更可靠
+    let config: { wasmBinary?: ArrayBuffer; locateFile?: (file: string) => string } = {};
+
     if (fs.existsSync(wasmPath)) {
+      // 直接读取 WASM 文件作为 ArrayBuffer - 这种方式更可靠
+      const wasmBuffer = fs.readFileSync(wasmPath);
+      config.wasmBinary = wasmBuffer.buffer.slice(
+        wasmBuffer.byteOffset,
+        wasmBuffer.byteOffset + wasmBuffer.byteLength
+      );
+      console.log('[Database] WASM loaded as binary, size:', wasmBuffer.length);
+    } else {
+      console.warn('[Database] WASM file not found, sql.js will try to load from default location');
+      // 作为备用方案，使用 locateFile
       config.locateFile = (file: string) => {
-        if (file === 'sql-wasm.wasm') {
-          return wasmPath;
-        }
+        console.log('[Database] locateFile called for:', file);
         return file;
       };
     }
diff --git a/backend/mpc-system/services/service-party-app/package.json b/backend/mpc-system/services/service-party-app/package.json
index 7d767c31..73c8b28e 100644
--- a/backend/mpc-system/services/service-party-app/package.json
+++ b/backend/mpc-system/services/service-party-app/package.json
@@ -73,8 +73,7 @@
     "files": [
       "dist/**/*",
       "dist-electron/**/*",
-      "wasm/**/*",
-      "node_modules/sql.js/**/*"
+      "wasm/**/*"
     ],
     "extraResources": [
       {
@@ -83,6 +82,10 @@
         "filter": [
           "**/*"
         ]
+      },
+      {
+        "from": "node_modules/sql.js/dist/sql-wasm.wasm",
+        "to": "sql-wasm.wasm"
       }
     ],
     "win": {