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order/src/main/java/com/baiyue/order/service/UnifiedOrderQueryService.java

@@ -716,13 +716,22 @@ public class UnifiedOrderQueryService {
             || StringUtils.hasText(query.measurementReviewStatus());
     }
 
+    /** 保留内部调用的原始异常，便于按请求链路定位连接和协议故障。 */
     private <T> ApiResponse<T> call(java.util.concurrent.Callable<ApiResponse<T>> invocation) {
         try { return invocation.call(); }
-        catch (FeignException exception) { throw new BizException(ResultCode.SERVICE_UNAVAILABLE, "头程服务暂时不可用"); }
-        catch (Exception exception) { throw new BizException(ResultCode.SERVICE_UNAVAILABLE, "头程服务查询失败"); }
+        catch (FeignException exception) {
+            throw (BizException) new BizException(ResultCode.SERVICE_UNAVAILABLE, "头程服务暂时不可用").initCause(exception);
+        }
+        catch (Exception exception) {
+            throw (BizException) new BizException(ResultCode.SERVICE_UNAVAILABLE, "头程服务查询失败").initCause(exception);
+        }
     }
+    /** 失败关闭时保留下游错误码与链路标识，不记录业务载荷或服务令牌。 */
     private <T> T require(ApiResponse<T> response, String message) {
         if (response == null || !response.successful() || response.data() == null) {
+            LOGGER.warn("头程查询响应无效 operation={} downstreamCode={} downstreamMessage={} downstreamRequestId={} downstreamTraceId={}",
+                message, response == null ? null : response.code(), response == null ? null : response.message(),
+                response == null ? null : response.requestId(), response == null ? null : response.traceId());
             throw new BizException(ResultCode.SERVICE_UNAVAILABLE, message);
         }
         return response.data();