diff --git a/src/stream/src/from_proto/source/trad_source.rs b/src/stream/src/from_proto/source/trad_source.rs
index 24b77af41e0f6..3f0793595c7c5 100644
--- a/src/stream/src/from_proto/source/trad_source.rs
+++ b/src/stream/src/from_proto/source/trad_source.rs
@@ -162,13 +162,12 @@ impl ExecutorBuilder for SourceExecutorBuilder {
                     let table_type = ExternalTableType::from_properties(&source.properties);
                     if table_type.can_backfill() && let Some(table_desc) = source_info.upstream_table.clone() {
                         let upstream_table_name = SchemaTableName::from_properties(&source.properties);
-                        let pk_indices = table_desc
+                        let table_pk_indices = table_desc
                             .pk
                             .iter()
                             .map(|k| k.column_index as usize)
                             .collect_vec();
-
-                        let order_types = table_desc
+                        let table_pk_order_types = table_desc
                             .pk
                             .iter()
                             .map(|desc| OrderType::from_protobuf(desc.get_order_type().unwrap()))
@@ -180,8 +179,8 @@ impl ExecutorBuilder for SourceExecutorBuilder {
                             upstream_table_name,
                             table_reader,
                             schema.clone(),
-                            order_types,
-                            pk_indices.clone(),
+                            table_pk_order_types,
+                            table_pk_indices,
                             (0..table_desc.columns.len()).collect_vec(),
                         );
 
@@ -197,7 +196,7 @@ impl ExecutorBuilder for SourceExecutorBuilder {
                             (0..source.columns.len()).collect_vec(),    // eliminate the last column (_rw_offset)
                             None,
                             schema.clone(),
-                            pk_indices,
+                            params.pk_indices,
                             params.executor_stats,
                             source_state_handler,
                             source_ctrl_opts.chunk_size
diff --git a/src/stream/src/task/stream_manager.rs b/src/stream/src/task/stream_manager.rs
index a80de8a1c267e..f54eb9921f77c 100644
--- a/src/stream/src/task/stream_manager.rs
+++ b/src/stream/src/task/stream_manager.rs
@@ -586,7 +586,8 @@ impl LocalStreamManagerCore {
         assert_eq!(
             executor.pk_indices(),
             &pk_indices,
-            "`pk_indices` of {identity} not consistent with what derived by optimizer"
+            "`pk_indices` of {} not consistent with what derived by optimizer",
+            executor.identity()
         );
 
         // Wrap the executor for debug purpose.