update ..

examcloud-exchange-outer-service/src/main/java/cn/com/qmth/examcloud/exchange/outer/service/impl/OutletPaperStructServiceImpl.java

@@ -56,12 +56,18 @@ public class OutletPaperStructServiceImpl implements OutletPaperStructService {
         try {
             extractConfig = CacheHelper.getExtractConfig(examId, courseCode);
         } catch (Exception e) {
-            String err = "examId = " + examId + ", courseCode = " + courseCode + " " + e.getMessage();
-            log.warn(err, e);
+            log.warn("extractConfig call api fail! examId:{}, courseCode:{}, err:{}", examId, courseCode, e.getMessage(), e);
         }
 
-        if (extractConfig == null || CollectionUtils.isEmpty(extractConfig.getDetails())) {
+        if (extractConfig == null) {
             // 调卷规则不存在
+            log.warn("extractConfig is empty! examId:{}, courseCode:{}", examId, courseCode);
+            return new ArrayList<>();
+        }
+
+        if (CollectionUtils.isEmpty(extractConfig.getDetails())) {
+            // 调卷规则 试卷列表不存在
+            log.warn("extractConfig papers is empty! examId:{}, courseCode:{}, callType:{}", examId, courseCode, extractConfig.getCallType());
             return new ArrayList<>();
         }