Merge branch '0.5.1' into '0.5.1'

update

See merge request megasearch/milvus!818

Former-commit-id: 419da9c0fb439f860ec57f830e97e4dcea39ff61

core/src/wrapper/ConfAdapter.cpp

@@ -109,7 +109,7 @@ IVFSQConfAdapter::Match(const TempMetaConf& metaconf) {
     conf->nlist = MatchNlist(metaconf.size, metaconf.nlist);
     conf->d = metaconf.dim;
     conf->metric_type = metaconf.metric_type;
-    conf->gpu_id = metaconf->gpu_id;
+    conf->gpu_id = metaconf.gpu_id;
     conf->nbits = 8;
     MatchBase(conf);
     return conf;