diff --git a/src/storage/ls/ob_ls.cpp b/src/storage/ls/ob_ls.cpp
index 27b73a2b0..1fd2f0569 100755
--- a/src/storage/ls/ob_ls.cpp
+++ b/src/storage/ls/ob_ls.cpp
@@ -1250,6 +1250,9 @@ int ObLS::get_ls_info(ObLSVTInfo &ls_info)
     ls_info.tablet_change_checkpoint_scn_ = ls_meta_.get_tablet_change_checkpoint_scn();
     ls_info.transfer_scn_ = ls_meta_.get_transfer_scn();
     ls_info.tx_blocked_ = tx_blocked;
+    if (tx_blocked) {
+      TRANS_LOG(INFO, "current ls is blocked", K(ls_info));
+    }
   }
   return ret;
 }
diff --git a/src/storage/ls/ob_ls.h b/src/storage/ls/ob_ls.h
index 08024ea65..d6b451433 100755
--- a/src/storage/ls/ob_ls.h
+++ b/src/storage/ls/ob_ls.h
@@ -94,6 +94,18 @@ struct ObLSVTInfo
   share::SCN tablet_change_checkpoint_scn_;
   share::SCN transfer_scn_;
   bool tx_blocked_;
+  TO_STRING_KV(K_(ls_id),
+               K_(replica_type),
+               K_(ls_state),
+               K_(migrate_status),
+               K_(tablet_count),
+               K_(weak_read_scn),
+               K_(checkpoint_scn),
+               K_(checkpoint_lsn),
+               K_(rebuild_seq),
+               K_(tablet_change_checkpoint_scn),
+               K_(transfer_scn),
+               K_(tx_blocked));
 };
 
 // 诊断虚表统计信息
diff --git a/src/storage/tx/wrs/ob_black_list.cpp b/src/storage/tx/wrs/ob_black_list.cpp
index 51f1da9c6..d0c899f9b 100644
--- a/src/storage/tx/wrs/ob_black_list.cpp
+++ b/src/storage/tx/wrs/ob_black_list.cpp
@@ -245,7 +245,7 @@ int ObBLService::do_black_list_check_(sqlclient::ObMySQLResult *result)
       TRANS_LOG(WARN, "get_info_from_result_ fail ", KR(ret), K(result));
     } else if (ls_info.is_leader()) {
       // cannot add leader into blacklist
-    } else if (ls_info.weak_read_scn_ == 0 && ls_info.migrate_status_ == OB_MIGRATE_STATUS_NONE) {
+    } else if (ls_info.weak_read_scn_ == 0) {
       // log stream is initializing, should't be put into blacklist
     } else if (OB_FAIL(OB_TS_MGR.get_gts(bl_key.get_tenant_id(), NULL, gts_scn))) {
       TRANS_LOG(WARN, "get gts scn error", K(ret), K(bl_key));
@@ -324,6 +324,9 @@ int ObBLService::get_info_from_result_(sqlclient::ObMySQLResult &result, ObBLKey
   } else if (OB_FAIL(ls_info.init(ls_role, weak_read_scn, migrate_status, tx_blocked))) {
     TRANS_LOG(WARN, "ls_info init fail", K(ls_role), K(weak_read_scn), K(migrate_status), K(tx_blocked));
   }
+  if (tx_blocked) {
+    TRANS_LOG(INFO, "current ls is blocked, need to put blacklist", K(bl_key), K(ls_info));
+  }
 
   return ret;
 }
diff --git a/src/storage/tx/wrs/ob_black_list.h b/src/storage/tx/wrs/ob_black_list.h
index d8dde16e3..d99a8a9a4 100644
--- a/src/storage/tx/wrs/ob_black_list.h
+++ b/src/storage/tx/wrs/ob_black_list.h
@@ -23,7 +23,7 @@
 // 判断时间戳是否赶上/落后的缓冲时间(ns)，避免阈值附近的日志流反复加入/移出黑名单
 #define BLACK_LIST_WHITEWASH_INTERVAL_NS  1000000000  // 1s
 // 黑名单信息打印时间间隔(us)
-#define BLACK_LIST_PRINT_INTERVAL         10000000    // 10s
+#define BLACK_LIST_PRINT_INTERVAL         5000000    // 5s
 // 清理超时对象的时间间隔(us)，这些对象不会出现在 SQLResult 中，比如切换server之后旧server上的日志流
 #define BLACK_LIST_CLEAN_UP_INTERVAL      5000000     // 5s
 // 最大连续失败次数，连续刷新黑名单失败 达到 该次数则清空黑名单
diff --git a/src/storage/tx/wrs/ob_ls_wrs_handler.cpp b/src/storage/tx/wrs/ob_ls_wrs_handler.cpp
index c2684658f..f8494f3d4 100644
--- a/src/storage/tx/wrs/ob_ls_wrs_handler.cpp
+++ b/src/storage/tx/wrs/ob_ls_wrs_handler.cpp
@@ -45,6 +45,7 @@ int ObLSWRSHandler::init(const share::ObLSID &ls_id)
 void ObLSWRSHandler::reset()
 {
   is_inited_ = false;
+  // set weak read ts to 0
   ls_weak_read_ts_.set_min();
   is_enabled_ = false;
   ls_id_.reset();
@@ -55,7 +56,8 @@ int ObLSWRSHandler::offline()
   int ret = OB_SUCCESS;
   ObSpinLockGuard guard(lock_);
   is_enabled_ = false;
-  ls_weak_read_ts_.set_min();
+  // set weak read ts to 1
+  ls_weak_read_ts_.set_base();
   STORAGE_LOG(INFO, "weak read handler disabled", K(*this));
   return ret;
 }