fix群组解散

mec-biz/src/main/java/com/ym/mec/biz/service/im/impl/ImGroupCoreServiceImpl.java

@@ -260,7 +260,8 @@ public class ImGroupCoreServiceImpl implements ImGroupCoreService {
         // 判定登录用户是否为群主
         ImGroupPlus imGroup = imGroupService.lambdaQuery().eq(ImGroupPlus::getId, groupId).last("LIMIT 1").one();
         if (Objects.isNull(imGroup)) {
-            throw new BizException("群组不存在");
+            //throw new BizException("群组不存在");
+            return;
         }