fix(auth): 修复 JWT 策略中的角色分配逻辑

src/auth/jwt.strategy.ts

@@ -37,7 +37,7 @@ export class JwtStrategy extends PassportStrategy(Strategy) {
             id: payload.sub,
             userId: payload.sub,
             username: payload.username,
-            roles: payload.roles
+            roles: user.roles
         }
     }
 }