微调

detection/src/main/java/com/njcn/gather/result/service/impl/ResultServiceImpl.java

@@ -781,13 +781,15 @@ public class ResultServiceImpl implements IResultService {
     }
 
     private Integer conform(Set<Integer> numbers) {
+        if (CollUtil.isNotEmpty(numbers)) {
             if (numbers.size() > 1) {
-            if (numbers.contains(4)) {
-                return 4;
-            } else if (numbers.contains(2)) {
+                if (numbers.contains(2)) {
                     return 2;
                 }
             }
             return numbers.iterator().next();
+        } else {
+            return 4;
+        }
     }
 }