bug fix

src/main/java/com/gogirl/application/store/store/impl/CareerCmdServiceImpl.java

@@ -169,6 +169,11 @@ public class CareerCmdServiceImpl implements CareerCmdService {
 
     @Override
     public Career career(Integer technicianId) {
-        return careerMapper.selectOne(new LambdaQueryWrapper<Career>().eq(Career::getTechnicianId, technicianId));
+        Career career = careerMapper.selectOne(new LambdaQueryWrapper<Career>().eq(Career::getTechnicianId, technicianId));
+        if (career == null) {
+            career = new Career();
+            career.setTechnicianId(technicianId);
+        }
+        return career;
     }
 }