diff --git a/tweets/README.md b/tweets/README.md
index d3448cf2..921eeaa5 100644
--- a/tweets/README.md
+++ b/tweets/README.md
@@ -1,3 +1,20 @@
 - `haoel.csv`: [@haoel](https://twitter.com/haoel) 发表的所有 tweets.
 
-Copied from https://github.com/yihong0618/twint . Thanks [@yihong0618](https://github.com/yihong0618).
+  Copied from https://github.com/yihong0618/twint . Thanks [@yihong0618](https://github.com/yihong0618).
+
+- `haoel.db`: 已格式化并转换为 SQLite 数据库的同一份数据
+
+  Schema:
+
+  ```sqlite
+  CREATE TABLE "tweets" (
+  	"id"	INTEGER NOT NULL UNIQUE,  -- Snowflake ID
+  	"timestamp"	INTEGER NOT NULL,     -- Unix timestamp
+  	"likes_count"	INTEGER NOT NULL,
+  	"retweet_count"	INTEGER NOT NULL,
+  	"reply_count"	INTEGER NOT NULL,
+  	"content"	TEXT NOT NULL         -- 已解析 HTML entities 和 t.co 短链
+  );
+  ```
+
+  Note: 可使用 <https://github.com/wangfenjin/simple> 进行全文索引。
diff --git a/tweets/haoel.db b/tweets/haoel.db
new file mode 100644
index 00000000..6f5023fd
Binary files /dev/null and b/tweets/haoel.db differ