diff --git a/README.md b/README.md
index 0f764fb..adddd5c 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
-# blog-doc
-
+# blog-doc
+
diff --git a/db/blog_db.sql b/db/blog_db.sql
index fa7a1db..b50f961 100644
--- a/db/blog_db.sql
+++ b/db/blog_db.sql
@@ -1,38 +1,39 @@
-CREATE TABLE "articles" (
-  "id" bigserial,
-  "title" varchar(50) NOT NULL,
-  "content" text,
-  "published" time,
-  PRIMARY KEY ("id")
-);
-
-CREATE TABLE "comments" (
-  "id" bigserial,
-  "content" varchar(255) NOT NULL,
-  "published" time,
-  "u_id" int4,
-  "a_id" int4 NOT NULL,
-  PRIMARY KEY ("id")
-);
-
-CREATE TABLE "news" (
-  "id" bigserial,
-  "title" varchar(50) NOT NULL,
-  "content" text,
-  "published" time,
-  "related" uuid,
-  PRIMARY KEY ("id")
-);
-
-CREATE TABLE "users" (
-  "id" bigserial,
-  "name" varchar(50) NOT NULL,
-  "profile" varchar(255) NOT NULL DEFAULT https://www.merlin.xin/public/profile,
-  "account" varchar(255) NOT NULL,
-  "password" varchar(255) NOT NULL,
-  PRIMARY KEY ("id")
-);
-
-ALTER TABLE "articles" ADD CONSTRAINT "fk_articles_comments_1" FOREIGN KEY ("id") REFERENCES "comments" ("a_id");
-ALTER TABLE "users" ADD CONSTRAINT "fk_users_comments_1" FOREIGN KEY ("id") REFERENCES "comments" ("u_id");
-
+CREATE TABLE "articles" (
+  "id" bigserial,
+  "title" varchar(50) NOT NULL,
+  "cover" varchar(255) DEFAULT '{{.Values.web.default.cover}}',
+  "content" text,
+  "published" date DEFAULT CURRENT_DATE,
+  PRIMARY KEY ("id")
+);
+
+CREATE TABLE "news" (
+  "id" bigserial,
+  "title" varchar(50) NOT NULL,
+  "cover" varchar(255) DEFAULT '{{.Values.web.default.cover}}',
+  "content" text,
+  "published" date DEFAULT CURRENT_DATE,
+  "related" varchar(255),
+  PRIMARY KEY ("id")
+);
+
+CREATE TABLE "users" (
+  "id" bigserial,
+  "name" varchar(50) NOT NULL,
+  "profile" varchar(255) NOT NULL DEFAULT '{{.Values.web.default.avatar}}',
+  "account" varchar(255) NOT NULL UNIQUE,
+  "password" varchar(255) NOT NULL,
+  "ip" varchar(50),
+  PRIMARY KEY ("id")
+);
+
+CREATE TABLE "comments" (
+  "id" bigserial,
+  "content" varchar(255) NOT NULL,
+  "published" date DEFAULT CURRENT_DATE,
+  "u_id" int8,
+  "a_id" int8 NOT NULL,
+  PRIMARY KEY ("id"),
+  CONSTRAINT fk_comments_articles FOREIGN KEY ("a_id") REFERENCES "articles" ("id"),
+  CONSTRAINT fk_comments_users FOREIGN KEY ("u_id") REFERENCES "users" ("id")
+);
\ No newline at end of file