[用户标签][修改]查询失败 修复

mallinkService/src/main/java/com/simple/service/impl/WxCUserTagsServiceImpl.java

@@ -68,6 +68,9 @@ public class WxCUserTagsServiceImpl implements WxCUserTagsService {
 	@Override
 	public List<WxCUser> findUserByTag(List<Long> tagIds) {
 		List<Long> userIds = wxCUserTagsMapper.findUserByTag(tagIds);
+		if(userIds.size()==0) {
+			return new ArrayList<>();
+		}
 		WxCUser wxCUser = new WxCUser();
 		wxCUser.setIds(userIds);
 		return wxCUserMapper.findList(wxCUser);