BUGFIX: 获取当前任务结果报错（获取模型名出现空指针）

src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java

@@ -2042,7 +2042,9 @@ public class GenerateServiceImpl extends ServiceImpl<GenerateMapper, Generate> i
                 && func.equals(CreditsEventsEnum.POSE_TRANSFORMATION.getValue())){
             List<PoseTransformation> poseTransformations = poseTransformationMapper.selectList(
                     new QueryWrapper<PoseTransformation>().eq("unique_id", taskId));
-            if (!poseTransformations.isEmpty() && poseTransformations.get(0).getModelName().equals("wx")){
+            if (!poseTransformations.isEmpty()
+                    && !StringUtil.isNullOrEmpty(poseTransformations.get(0).getModelName())
+                    && poseTransformations.get(0).getModelName().equals("wx")){
                 return "wx";
             }else {
                 return "local";