diff --git a/src/bin/pg_ctl/pg_build.cpp b/src/bin/pg_ctl/pg_build.cpp
index 6e730eb4f518d6dfdfce7b8968f393716ec09da6..4383c62f497c4ebfd86fdb58b4241897922de870 100755
--- a/src/bin/pg_ctl/pg_build.cpp
+++ b/src/bin/pg_ctl/pg_build.cpp
@@ -1433,6 +1433,7 @@ static void DeleteSubDataDir(const char* dirname)
             } else if (S_ISREG(st.st_mode)) {
                 if (strcmp(de->d_name, "postgresql.conf") == 0 || strcmp(de->d_name, "pg_ctl.lock") == 0 ||
                     strcmp(de->d_name, "postgresql.conf.lock") == 0 || strcmp(de->d_name, "postgresql.conf.bak.old") == 0 ||
+                    strcmp(de->d_name, "postgresql.conf.bak") == 0 || strcmp(de->d_name, "postgresql.conf.guc.bak") == 0 ||
                     strcmp(de->d_name, "build_completed.start") == 0 || strcmp(de->d_name, "gs_build.pid") == 0 ||
                     strcmp(de->d_name, "postmaster.opts") == 0 || strcmp(de->d_name, "gaussdb.state") == 0 ||
                     strcmp(de->d_name, "disc_readonly_test") == 0 || strcmp(de->d_name, ssl_cert_file) == 0 ||
diff --git a/src/gausskernel/storage/replication/basebackup.cpp b/src/gausskernel/storage/replication/basebackup.cpp
index 4314a91a8ea14e77c008b67d86b7c43e22bbb8c4..18d7720f9a43966ea4b74a79b891f31214710751 100755
--- a/src/gausskernel/storage/replication/basebackup.cpp
+++ b/src/gausskernel/storage/replication/basebackup.cpp
@@ -1433,6 +1433,7 @@ static int64 sendDir(const char *path, int basepathlen, bool sizeonly, List *tab
         /* For gs_backup, we should not skip these files */
             if (strcmp(pathbuf, "./pg_ctl.lock") == 0 || strcmp(pathbuf, "./postgresql.conf.lock") == 0 ||
                 strcmp(pathbuf, "./postgresql.conf.bak") == 0 || strcmp(pathbuf, "./postgresql.conf") == 0 ||
+                strcmp(de->d_name, "postgresql.conf.guc.bak") == 0 ||
                 strcmp(pathbuf, "./postgresql.conf.bak.old") == 0) {
                 continue;
             }