diff --git a/src/PSBoardDataBase.jl b/src/PSBoardDataBase.jl
index 4379a3c..d65e743 100644
--- a/src/PSBoardDataBase.jl
+++ b/src/PSBoardDataBase.jl
@@ -48,20 +48,36 @@ Create database at `dbpath` and import data from CSV and master log files.
 """
 function create_database_from_exported_csvs(
     dbpath::AbstractString;
-    single_run_csv::AbstractString = DownloadCSVs.download_single_run_csv(),
-    runlist_csv::AbstractString = DownloadCSVs.download_runlist_csv(),
-    dispatch_csv::AbstractString = DownloadCSVs.download_dispatch_csv(),
-    hundred_csv::AbstractString = DownloadCSVs.download_hundred_run_csv(),
-    jathubs_csv::AbstractString = DownloadCSVs.download_jathub_csv(),
     masterlog_dir::AbstractString,
     slavelog_dir::AbstractString,
+    kw...
 )
     db = create_database(dbpath)
-    single_result_df = CSV.read(single_run_csv, DataFrame)
-    runlist_table = CSV.read(runlist_csv, DataFrame)
-    dispatch_table = CSV.read(dispatch_csv, DataFrame)
-    extra_100test_result_df = CSV.read(hundred_csv, DataFrame)
-    jathubs_table = CSV.read(jathubs_csv, DataFrame)
+
+    single_result_df,
+    runlist_table,
+    dispatch_table,
+    extra_100test_result_df,
+    jathubs_table =
+        map((
+            (:single_run_csv, DownloadCSVs.download_single_run_csv),
+            (:runlist_csv, DownloadCSVs.download_runlist_csv),
+            (:dispatch_csv, DownloadCSVs.download_dispatch_csv),
+            (:hundred_csv, DownloadCSVs.download_hundred_run_csv),
+            (:jathubs_csv, DownloadCSVs.download_jathub_csv),
+        )) do (key, dlfunc)
+            if !haskey(kw, key)
+                Channel{DataFrame}(1) do ch
+                    csvfile = dlfunc()
+                    df = CSV.read(csvfile, DataFrame)
+                    put!(ch, df)
+                end
+            else
+                Channel{DataFrame}(1) do ch
+                    put!(ch, CSV.read(kw[key], DataFrame))
+                end
+            end
+        end .|> first
 
     insert_version_info(db)
     insert_qaqc_campaign_id(db)