diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 865e5180ac..454376f76f 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -96,7 +96,7 @@ jobs:
           docker-compose up -d pulsar etcd minio
       - name: Build and UnitTest
         run: |
-          ./build/builder.sh /bin/bash -c "make USE_ASAN={{env.useasan}} ci-ut"
+          ./build/builder.sh /bin/bash -c "make USE_ASAN=${{env.useasan}} ci-ut"
       - name: Get the status & restart count for containers when ut failed
         if: ${{ failure() }}
         run: |
diff --git a/internal/core/src/segcore/Types.h b/internal/core/src/segcore/Types.h
index 83495893a7..15dee7aeee 100644
--- a/internal/core/src/segcore/Types.h
+++ b/internal/core/src/segcore/Types.h
@@ -28,6 +28,7 @@
 
 namespace milvus::segcore {
 
+// see also internal/querynode/load_index_info.go
 struct LoadIndexInfo {
     int64_t collection_id;
     int64_t partition_id;