diff --git a/cloud/src/meta-service/meta_service_job.cpp b/cloud/src/meta-service/meta_service_job.cpp
index cc80d5bd138980..b7b5e86953d589 100644
--- a/cloud/src/meta-service/meta_service_job.cpp
+++ b/cloud/src/meta-service/meta_service_job.cpp
@@ -876,6 +876,14 @@ void process_compaction_job(MetaServiceCode& code, std::string& msg, std::string
 
     txn->remove(rs_start, rs_end);
 
+    LOG_INFO("cloud process compaction job txn remove meta rowset key")
+            .tag("instance_id", instance_id)
+            .tag("tablet_id", tablet_id)
+            .tag("start_version", start)
+            .tag("end_version", end + 1)
+            .tag("rs_start key", hex(rs_start))
+            .tag("rs_end key", hex(rs_end));
+
     TEST_SYNC_POINT_CALLBACK("process_compaction_job::loop_input_done", &num_rowsets);
 
     if (num_rowsets < 1) {
diff --git a/cloud/src/recycler/recycler.cpp b/cloud/src/recycler/recycler.cpp
index 04476704bd36c7..ba67711866bb0a 100644
--- a/cloud/src/recycler/recycler.cpp
+++ b/cloud/src/recycler/recycler.cpp
@@ -2893,9 +2893,9 @@ int InstanceRecycler::recycle_expired_stage_objects() {
     int ret = 0;
     for (const auto& stage : instance_info_.stages()) {
         std::stringstream ss;
-        ss << "instance_id=" << instance_id_ << ", stage_id=" << stage.stage_id()
-           << ", user_name=" << stage.mysql_user_name().at(0)
-           << ", user_id=" << stage.mysql_user_id().at(0)
+        ss << "instance_id=" << instance_id_ << ", stage_id=" << stage.stage_id() << ", user_name="
+           << (stage.mysql_user_name().empty() ? "null" : stage.mysql_user_name().at(0))
+           << ", user_id=" << (stage.mysql_user_id().empty() ? "null" : stage.mysql_user_id().at(0))
            << ", prefix=" << stage.obj_info().prefix();
 
         if (stopped()) break;