sql数据流，amdin业务逻辑接入

uni_modules/ak-req/ak-req.uts

@@ -194,6 +194,27 @@ export class AkReq {
 						resolve(result);
 					},
 					fail: (err) => {
+						// 失败诊断：输出 URL / 关键 headers / errCode / errMsg，便于定位“网络不可达 vs 401/403”等问题
+						try {
+							let apikeyMasked: string | null = null;
+							try {
+								if (headers != null && typeof (headers as any).getString === 'function') {
+									const k = (headers as any).getString('apikey') as string | null;
+									if (k != null && k.length > 8) apikeyMasked = k.substring(0, 6) + '...' + k.substring(k.length - 4);
+									else apikeyMasked = k;
+								}
+							} catch (e) {}
+							console.error('[AkReq][fail]', {
+								url: options.url,
+								method: options.method ?? 'GET',
+								timeout,
+								errCode: (err as any).errCode,
+								errMsg: (err as any).errMsg,
+								apikey: apikeyMasked,
+								hasAuth: (AkReq.getToken() != null && AkReq.getToken() !== '')
+							});
+						} catch (e) {}
+
 						const result = AkReq.createResponse<any>(
 							err.errCode,
 							err.data ?? {},