diff --git a/20190625-1.sql b/20190625-1.sql
new file mode 100644
index 0000000..fcca795
--- /dev/null
+++ b/20190625-1.sql
@@ -0,0 +1,15 @@
+-- create line bot table
+CREATE TABLE public.line_bot (
+	id uuid NOT NULL DEFAULT uuid_generate_v4(),
+	"name" varchar(32) NOT NULL,
+	access_token varchar(256) NOT NULL,
+	secret varchar(256) NOT NULL,
+	ctime timestamptz NOT NULL DEFAULT current_timestamp,
+	mtime timestamptz NOT NULL DEFAULT current_timestamp,
+	CONSTRAINT line_bot_pk PRIMARY KEY (id)
+);
+
+-- add bot fk to line_group table
+ALTER TABLE public.line_group ADD bot_id uuid NULL;
+-- add fk
+ALTER TABLE public.line_group ADD CONSTRAINT line_group_fk FOREIGN KEY (bot_id) REFERENCES public.line_bot(id) ON DELETE SET NULL;