fix(auth):优化登录认证流程- 移除多余的换行符，保持代码整洁- 简化认证成功后的安全上下文设置逻辑-保留用户启用状态检查，确保账户有效性- 维持JWT令牌生成机制不变

chaos_api_web/src/main/java/cn/nopj/chaos_api/service/impl/AuthServiceImpl.java

@@ -49,24 +49,17 @@ public class AuthServiceImpl implements AuthService {
 
     @Override
     public String login(String username, String password) {
-
             Authentication authentication = authenticationManager.authenticate(
                     new UsernamePasswordAuthenticationToken(username, password)
             );
-
             SecurityContextHolder.getContext().setAuthentication(authentication);
 
             // 获取用户详情
-
             UserDetails userDetails = (UserDetails) authentication.getPrincipal();
             if (!userDetails.isEnabled()){
                 return null;
             }
             // 生成 JWT
             return jwtTokenUtil.generateToken(userDetails);
-
-
-
-
     }
 }