fix: 解决工单查询接口错误

project-order/src/main/java/com/dituhui/pea/order/service/impl/OrderServiceListServiceImpl.java

@@ -124,10 +124,13 @@ public class OrderServiceListServiceImpl implements OrderServiceListService {
             record.setDescription(o.getDescription());
             record.setPriority(o.getPriority());
             record.setOrgBranchName(branchNames.getOrDefault(o.getOrgBranchId(), ""));
-            // 获取工程师信息
-            List<String> names = this.getOrderEngineerNames(o.getEngineerCode(), o.getEngineerCodeSub(), engineerNames);
-            record.setEngineerNum(names.size()); //工程师数量
-            record.setEngineerNames(String.join("、", names)); //工程师姓名列表
+            
+            // 获取工程师信息，为派工为空
+            if(StringUtils.isNotBlank(o.getEngineerCode())) {
+            	List<String> names = this.getOrderEngineerNames(o.getEngineerCode(), o.getEngineerCodeSub(), engineerNames);
+            	record.setEngineerNum(names.size()); //工程师数量
+            	record.setEngineerNames(String.join("、", names)); //工程师姓名列表
+            }
 
             record.setExpectTimeBegin(TimeUtils.IsoTimestamp2DateTime(o.getExpectTimeBegin()));
             record.setExpectTimeEnd(TimeUtils.IsoTimestamp2DateTime(o.getExpectTimeEnd()));