diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,2 +1,15 @@
 # database
 A quick-deploy database server
+
+installation:
+- download the code from [here]()
+- change the password in password.js (it need to be an array)
+- for start do npm start
+
+Save data in in ./data/database.json
+
+This is the link:
+ip://api/<auth-code>/database to get all db
+ip://api/<auth-code>/database/<name> search name in the database
+ip://api/<auth-code>/database/<name>/set/<value> set a name's value in the database
+ip://api/<auth-code>/database/<name>/remove remove <name> in the database