fix: replace orIgnore with findOne for SQLite compat; set backend port 3003

backend/src/main.ts

@@ -7,7 +7,7 @@ async function bootstrap() {
   app.setGlobalPrefix('api');
   app.enableCors();
   app.useGlobalPipes(new ValidationPipe({ transform: true, whitelist: true }));
-  await app.listen(process.env.PORT ?? 3001);
+  await app.listen(process.env.PORT ?? 3003);
-  console.log(`Server running on http://localhost:${process.env.PORT ?? 3001}`);
+  console.log(`Server running on http://localhost:${process.env.PORT ?? 3003}`);
 }
 bootstrap();

backend/src/rbac/rbac.service.ts

@@ -109,27 +109,23 @@ export class RbacService {
   ) {}
 
   async seedData(): Promise<void> {
-    // Step 1: 幂等插入所有权限点
+    // Step 1: 幂等插入所有权限点（先查后插，兼容 SQLite/MySQL）
     for (const p of PRESET_PERMISSIONS) {
-      await this.permRepo
+      const exists = await this.permRepo.findOne({ where: { code: p.code } });
-        .createQueryBuilder()
+      if (!exists) {
-        .insert()
+        await this.permRepo.save(this.permRepo.create(p));
-        .into(Permission)
+      }
-        .values(p)
-        .orIgnore()
-        .execute();
     }
     const allPerms = await this.permRepo.find();
 
     // Step 2: 幂等插入预置角色
     for (const r of PRESET_ROLES) {
-      await this.roleRepo
+      const exists = await this.roleRepo.findOne({ where: { name: r.name } });
-        .createQueryBuilder()
+      if (!exists) {
-        .insert()
+        await this.roleRepo.save(
-        .into(Role)
+          this.roleRepo.create({ name: r.name, description: r.description, isSystem: r.isSystem }),
-        .values({ name: r.name, description: r.description, isSystem: r.isSystem })
+        );
-        .orIgnore()
+      }
-        .execute();
     }
     const allRoles = await this.roleRepo.find({ relations: ['permissions'] });
 

frontend/vite.config.ts

@@ -8,7 +8,7 @@ export default defineConfig({
     port: 3002,
     proxy: {
       '/api': {
-        target: 'http://localhost:3001',
+        target: 'http://localhost:3003',
         changeOrigin: true,
       },
     },