diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 14ad6e71..4a3002f8 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -478,7 +478,8 @@
       "Bash(git commit -m \"$\\(cat <<''EOF''\nfeat\\(service-party-app\\): 添加 Windows 一键编译脚本\n\n添加 build-windows.bat 脚本，支持：\n- 检查 Node.js 和 Go 环境\n- 编译 TSS 子进程 \\(tss-party.exe\\)\n- 安装 npm 依赖\n- 编译 Electron 应用\n\n使用方法: 双击运行 build-windows.bat\n\n🤖 Generated with [Claude Code]\\(https://claude.com/claude-code\\)\n\nCo-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>\nEOF\n\\)\")",
       "Bash(./node_modules/.bin/tsc:*)",
       "Bash(npm ls:*)",
-      "Bash(npm run build:win:*)"
+      "Bash(npm run build:win:*)",
+      "Bash(npm run clean:*)"
     ],
     "deny": [],
     "ask": []
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 41c60330..3af9add5 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
@@ -6,6 +6,23 @@ import initSqlJs from 'sql.js';
 import type { Database as SqlJsDatabase, SqlJsStatic } from 'sql.js';
 import { v4 as uuidv4 } from 'uuid';
 
+// =============================================================================
+// sql.js WASM 文件路径
+// =============================================================================
+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
+  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');
+  }
+}
+
 // =============================================================================
 // 数据库路径
 // =============================================================================
@@ -89,8 +106,24 @@ export class DatabaseManager {
    * 初始化数据库
    */
   private async initialize(): Promise<void> {
+    // 获取 WASM 文件路径
+    const wasmPath = getSqlJsWasmPath();
+    console.log('[Database] WASM path:', wasmPath);
+    console.log('[Database] WASM exists:', fs.existsSync(wasmPath));
+
     // 初始化 sql.js (加载 WASM)
-    this.SQL = await initSqlJs();
+    // 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 } = {};
+    if (fs.existsSync(wasmPath)) {
+      config.locateFile = (file: string) => {
+        if (file === 'sql-wasm.wasm') {
+          return wasmPath;
+        }
+        return file;
+      };
+    }
+
+    this.SQL = await initSqlJs(config);
 
     // 如果数据库文件存在，加载它
     if (fs.existsSync(this.dbPath)) {
diff --git a/backend/mpc-system/services/service-party-app/package.json b/backend/mpc-system/services/service-party-app/package.json
index b6d688ad..7d767c31 100644
--- a/backend/mpc-system/services/service-party-app/package.json
+++ b/backend/mpc-system/services/service-party-app/package.json
@@ -66,10 +66,15 @@
       "buildResources": "resources",
       "output": "release"
     },
+    "asar": true,
+    "asarUnpack": [
+      "node_modules/sql.js/**/*"
+    ],
     "files": [
       "dist/**/*",
       "dist-electron/**/*",
-      "wasm/**/*"
+      "wasm/**/*",
+      "node_modules/sql.js/**/*"
     ],
     "extraResources": [
       {