diff --git a/src/rootserver/ob_disaster_recovery_worker.cpp b/src/rootserver/ob_disaster_recovery_worker.cpp
index df03fde97..d589fd218 100755
--- a/src/rootserver/ob_disaster_recovery_worker.cpp
+++ b/src/rootserver/ob_disaster_recovery_worker.cpp
@@ -2039,7 +2039,17 @@ int ObDRWorker::check_ls_locality_match_(
   } else if (0 != locality_alignment.get_task_array_cnt()) {
     locality_is_matched = false;
   } else {
-    locality_is_matched = true;
+    // for dup-ls, add C/R replica task is not in task_array, also need to try getting next LA task
+    const LATask *task = nullptr;
+    if (OB_TMP_FAIL(locality_alignment.get_next_locality_alignment_task(task))) {
+      if (OB_ITER_END == tmp_ret) {
+        locality_is_matched = true;
+      } else {
+        LOG_WARN("fail to get next locality alignment task", KR(tmp_ret));
+      }
+    } else {
+      locality_is_matched = false;
+    }
   }
   ObTaskController::get().allow_next_syslog();
   LOG_INFO("the locality matched check for this logstream", KR(ret), K(locality_is_matched),
diff --git a/src/rootserver/ob_disaster_recovery_worker.h b/src/rootserver/ob_disaster_recovery_worker.h
index 97e73ee00..07c4c6726 100755
--- a/src/rootserver/ob_disaster_recovery_worker.h
+++ b/src/rootserver/ob_disaster_recovery_worker.h
@@ -610,6 +610,8 @@ private:
     bool is_readonly_all_server() { return is_readonly_all_server_; }
     bool is_columnstore_all_server() { return is_columnstore_all_server_; }
     int64_t get_readonly_memstore_percent() { return readonly_memstore_percent_; }
+    INHERIT_TO_STRING_KV("replica_desc_array", common::ObIArray<ReplicaDesc>,
+        K_(is_readonly_all_server), K_(is_columnstore_all_server), K_(readonly_memstore_percent));
   private:
     bool is_readonly_all_server_;
     bool is_columnstore_all_server_;