fix： 审核分享类任务图片查重

hnqz-upms/hnqz-upms-biz/src/main/java/com/qunzhixinxi/hnqz/admin/controller/WmTaskController.java

@@ -1175,6 +1175,10 @@ public class WmTaskController {
 
 					WmTaskContent content = wmTaskContentService.getById(t.getTaskContentId());
 
+					if (content == null) {
+						return;
+					}
+
 					Field[] fields = content.getClass().getDeclaredFields();
 					for (Field field : fields) {