调用这个接口，总是返回412，求助，代码如下：

String accessToken = wechatClient.getAccessToken();
String url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=" + accessToken;

Map<String, Object> params = new HashMap<>();
params.put("scene", "test");
params.put("page", "pages/home/home");
params.put("check_path", false);
params.put("env_version", "trial");

HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
HttpEntity<Map<String, Object>> requestEntity = new HttpEntity<>(params, headers);

ResponseEntity<String> response = restTemplate.postForEntity(url, requestEntity, String.class);
// ResponseEntity<byte[]> response = restTemplate.postForEntity(url, requestEntity, byte[].class);

Map<String, Object> result = new HashMap<>();
result.put("success", response.getStatusCode().is2xxSuccessful());
result.put("statusCode", response.getStatusCode().value());
result.put("responseBody", response.getBody());

if (response.getBody() != null && response.getBody().trim().startsWith("{")) {
    JSONObject json = JSONUtil.parseObj(response.getBody());
    result.put("errcode", json.getInt("errcode"));
    result.put("errmsg", json.getStr("errmsg"));
}

return R.ok("原始二维码测试完成", result);

具体日志：

2025-09-29 21:34:24 [XNIO-1 task-2] DEBUG o.s.web.client.RestTemplate
 - HTTP POST https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=96_D-TSbDE1S-T0N1MO1LU9aZG6U26JI_RsD8BYVJUkzok4junXQXeJP3Q1wsvaX17KtqQ-b5gObrqvZXL4gr3bzDyb4pVqlq-usvHYtWEgJsswsJNES_vRpjly-DsYXGaAEATSB
2025-09-29 21:34:24 [XNIO-1 task-2] DEBUG o.s.web.client.RestTemplate
 - Accept=[text/plain, application/json, application/yaml, application/*+json, */*]
2025-09-29 21:34:24 [XNIO-1 task-2] DEBUG o.s.web.client.RestTemplate
 - Writing [{check_path=false, page=pages/home/home, scene=test, env_version=trial}] as "application/json"
2025-09-29 21:34:24 [XNIO-1 task-2] DEBUG o.s.web.client.RestTemplate
 - Response 412 PRECONDITION_FAILED

这是我小程序状态，没发布过，但是审核通过了，现在在测试阶段！