diff --git a/_inst.sh b/_inst.sh
index 4a4fe8f..8432406 100755
--- a/_inst.sh
+++ b/_inst.sh
@@ -31,4 +31,5 @@ inst_module "libcrypt"
 inst_module "gateway"
 inst_module "static"
 inst_module "dnfs"
+inst_module "db"
 inst_module "core"	# core last
diff --git a/db/_run.sh b/db/_run.sh
index 22ee059..201be20 100644
--- a/db/_run.sh
+++ b/db/_run.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
 cd "$(dirname "$0")" || exit
 source ./venv/bin/activate
-exec ./main.bin
-#exec python3 main.py
+#exec ./main.bin
+exec python3 main.py
diff --git a/db/_set.sh b/db/_set.sh
index 477ce1c..df0445e 100644
--- a/db/_set.sh
+++ b/db/_set.sh
@@ -3,4 +3,4 @@ cd "$(dirname "$0")" || exit
 python3 -m venv venv
 source venv/bin/activate
 pip install -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
-nuitka --onefile --jobs=1 main.py
+#nuitka  main.py
diff --git a/db/requirements.txt b/db/requirements.txt
index 76903dd..10f0a5d 100644
--- a/db/requirements.txt
+++ b/db/requirements.txt
@@ -1,3 +1,4 @@
 nuitka
 flask
+SQLAlchemy
 waitress